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1.
Effects of open versus closed kinetic chain training on knee laxity in the early period after anterior cruciate ligament reconstruction 总被引:3,自引:3,他引:0
Matthew C. Morrissey Zoe L. Hudson Wendy I. Drechsler Fiona J. Coutts Philippa R. Knight John B. King 《Knee surgery, sports traumatology, arthroscopy》2000,8(6):343-348
Knee extensor resistance training using open kinetic chain (OKC) exercise for patients recovering from anterior cruciate ligament reconstruction (ACLR) surgery has lost favour mainly because of research indicating that OKC exercise causes greater ACL strain than closed kinetic chain (CKC) exercise. In this prospective, randomized clinical trial the effects of these two regimes on knee laxity were compared in the early period after ACLR surgery. Thirty-six patients recovering from ACLR surgery (29 males, 7 females; age mean = 30) were tested at 2 and 6 weeks after ACLR with knee laxity measured using the Knee Signature System arthrometer. Between tests subjects trained using either OKC or CKC resistance of their knee and hip extensors in formal physical therapy sessions three times per week. Following adjustment for site of treatment, pretraining injured knee laxity, and untreated knee laxity at post-training, the use of OKC exercise, when compared to CKC exercise, was found to lead to a 9% increase in looseness with a 95% confidence interval of -8% to +29%. These results indicate that the great concern about the safety of OKC knee extensor training in the early period after ACLR surgery may not be well founded. 相似文献
2.
Mark C. Perry Matthew C. Morrissey Dylan Morrissey Philippa R. Knight Thomas B. McAuliffe John B. King 《Knee surgery, sports traumatology, arthroscopy》2005,13(8):638-648
Open kinetic chain (OKC) knee extensor resistance training has lost favour in rehabilitation of patients with knee ACLD due to concerns that this exercise is harmful to the remaining portion of the ACL and its secondary stabilizers, and will be less effective in improving function. In this randomized, single-blind clinical trial, closed and OKC knee extensor training were compared for their effects on knee laxity and function in patients with ACLD knees. Sixty-four patients with a diagnosis of knee ACLD (49 M, 15 F; mean age=30 years) were measured for knee laxity, using a ligament arthrometer, and function with the Hughston Clinic knee self-assessment questionnaire and maximal effort single leg jump testing. Between the above tests and identical tests carried out 6 weeks later, subjects trained using either open or closed kinetic chain resistance of their knee and hip extensors as part of formal physical therapy sessions three times per week for 6 weeks. The groups exhibited no statistically significant differences (p<0.083) in outcome. These results indicate that knee extensor OKC training, as used in this study, can be safely applied to patients with knee ACL deficiency, and shows no superiority to CKC training. 相似文献
3.
C. Mikkelsen S. Werner E. Eriksson 《Knee surgery, sports traumatology, arthroscopy》2000,8(6):337-342
Rehabilitation after anterior cruciate ligament (ACL) reconstruction has focused over the past decade on closed kinetic chain (CKC) exercises due to presumably less strain on the graft than with isokinetic open kinetic chain exercises (OKC); however, recent reports suggest that there are only minor differences in ACL strain values between some CKC and OKC exercises. We studied anterior knee laxity, thigh muscle torque, and return to preinjury sports level in 44 patients with unilateral ACL; group 1 carried out quadriceps strengthening only with CKC while group 2 trained with CKC plus OKC exercises starting from week 6 after surgery. Anterior knee laxity was determined with a KT-1000 arthrometer; isokinetic concentric and eccentric quadriceps and hamstring muscle torque were studied with a Kin-Com dynamometer before and 6 months after surgery. At an average of 31 months after surgery the patients answered a questionnaire regarding their current knee function and physical activity/sports to determine the extent and timing of their recovery. No significant differences in anterior knee laxity were noted between the groups 6 months postsurgery. Patients in group 2 increased their quadriceps torque significantly more than those in group 1, but no differences were found in hamstring torque between the groups. A significantly higher number of patients in group 2 (n=12) than in group 1 (n=5) returned to sports at the same level as before the injury (P<0.05). Patients from group 2 who returned to sports at the same level did so 2 months earlier than those in group 1. Thus the addition of OKC quadriceps training after ACL reconstruction results in a significantly better improvement in quadriceps torque without reducing knee joint stability at 6 months and also leads to a significantly higher number of athletes returning to their previous activity earlier and at the same level as before injury. 相似文献
4.
Correlates of knee laxity change in early rehabilitation after anterior cruciate ligament reconstruction 总被引:2,自引:0,他引:2
Morrissey MC Hudson ZL Drechsler WI Coutts FJ King JB McAuliffe TB 《International journal of sports medicine》2000,21(7):529-535
Factors other than ligament graft length (knee ROM, knee swelling, initial knee laxity) may need to be accounted for in interpreting changes in knee laxity during rehabilitation following anterior cruciate ligament reconstruction (ACLR) surgery. Twenty-three patients recovering from ACLR surgery (16 M, 7 F, age mean = 30) were tested at 2 and 6 weeks after ACLR with knee laxity measured using th Knee Signature System arthrometer, passive ROM with a standard goniometer and swelling by measuring knee circumference at the mid-patella level using a cloth measuring tape. Spearman correlation coefficients (in parentheses) were calculated using rankings of the change in the injured minus uninjured knee laxity as the dependent variable and the following independent variables: pre-test injured minus uninjured knee laxity (ranked; -0.457; statistically significant two-tailed P < 0.05); change in injured knee maximum extension relative to the uninjured side (ranked; 0.127); change in injured knee maximum flexion relative to the uninjured side (unranked; -0.073); and change in the injured minus uninjured knee girth (unranked; -0.159). These results indicate that consideration should be given to the patient's knee laxity at the start of intervention when using changes in laxity to guide rehabilitation after ACLR. 相似文献
5.
Tiago Magalhães Fernando Ribeiro Ana Pinheiro José Oliveira 《Physical Therapy in Sport》2010,11(3):86-90
ObjectiveTo evaluate the effects of a warm-up program on knee joint position sense in karatekas.DesignRepeated measures design.SettingResearch laboratory. Participants: Ten young amateur karatekas (17.6 ± 4.0 years of age).Main Outcome MeasuresKnee joint position sense evaluated before and immediately after a warm-up program through active repositioning in open kinetic chain (OKC) and closed kinetic chain (CKC).ResultsAt baseline testing no differences were observed between OKC and CKC in absolute (4.1 ± 1.6° vs. 3.4 ± 2.0°) and relative angular errors (2.4 ± 3.4° vs. 2.1 ± 3.5°). After the warm-up program, a significant decrease in absolute angular error was observed only in CKC (from 3.4 ± 2.0° to 1.8 ± 0.5, p < 0.05). Additionally, in CKC the subjects reduced the relative angular error to approximately zero (from 2.1 ± 3.5° to ?0.01 ± 1.6°) and decreased the variability of the responses, expressed by the decrease in standard deviation of the relative errors.ConclusionsThe warm-up program enhanced knee joint position sense only in CKC. Since no effects were detected in OKC, the evaluation of the effects of warm-up on knee joint position sense using merely an OKC technique would underestimate the valuable role of warm-up. 相似文献
6.
Christophe A. G. Meyer Paul Gette Caroline Mouton Romain Seil Daniel Theisen 《Knee surgery, sports traumatology, arthroscopy》2018,26(2):381-390
Purpose
Asymmetries in knee joint biomechanics and increased knee joint laxity in patients following anterior cruciate ligament reconstruction (ACLR) are considered risk factors for re-tear or early onset of osteoarthritis. Nevertheless, the relationship between these factors has not been established. The aim of the study was to compare knee mechanics during landing from a bilateral drop vertical jump in patients following ACLR and control participants and to study the relationship between side-to-side asymmetries in landing mechanics and knee joint laxity.Methods
Seventeen patients following ACLR were evaluated and compared to 28 healthy controls. Knee sagittal and frontal plane kinematics and kinetics were evaluated using three-dimensional motion capture (200 Hz) and two synchronized force platforms (1000 Hz). Static anterior and internal rotation knee laxities were measured for both groups and legs using dedicated arthrometers. Group and leg differences were investigated using a mixed model analysis of variance. The relationship between side-to-side differences in sagittal knee power/energy absorption and knee joint laxities was evaluated using univariate linear regression.Results
A significant group-by-leg interaction (p = 0.010) was found for knee sagittal plane energy absorption, with patients having 25% lower values in their involved compared to their non-involved leg (1.22 ± 0.39 vs. 1.62 ± 0.40 J kg?1). Furthermore, knee sagittal plane energy absorption was 18% lower at their involved leg compared to controls (p = 0.018). Concomitantly, patients demonstrated a 27% higher anterior laxity of the involved knee compared to the non-involved knee, with an average side-to-side difference of 1.2 mm (p < 0.001). Laxity of the involved knee was also 30% higher than that of controls (p < 0.001) (leg-by-group interaction: p = 0.002). No relationship was found between sagittal plane energy absorption and knee laxity.Conclusions
Nine months following surgery, ACLR patients were shown to employ a knee unloading strategy of their involved leg during bilateral landing. However, this strategy was unrelated to their increased anterior knee laxity. Side-to-side asymmetries during simple bilateral landing tasks may put ACLR patients at increased risk of second ACL injury or early-onset osteoarthritis development. Detecting and correcting asymmetric landing strategies is highly relevant in the framework of personalized rehabilitation, which calls for complex biomechanical analyses to be applied in clinical routine.Level of evidence
III.7.
Open-kinetic chain (OKC) and closed-kinetic chain (CKC) exercises may not differ in their effects on the healing response of the anterior cruciate ligament (ACL)-reconstructed knee. Recent biomechanical studies have shown that the peak strains produced on a graft are similar. Clinical studies suggest that both play a beneficial role in the early rehabilitation of the reconstructed knee. 相似文献
8.
9.
《Physical Therapy in Sport》2007,8(3):109-116
ObjectivesTo examine the cross-training effects of a proprioceptive neuromuscular facilitation training (PNF) program on peak torque and endurance.DesignFactorial design.ParticipantsTwenty-three males were assigned to a PNF group (n=12) or a control group (n=11).InterventionsThe PNF program included training of the knee extensor and flexor muscles for a period of 8 weeks, exercising three times a week. PNF training included performance of knee movements through range of motion against manual resistance.Main outcome measuresIsokinetic torque and fatigue of the knee flexors and extensors at 60, 180 and 300° s−1 were assessed prior to and immediately after the training period.ResultsAnalysis of variance designs indicated that the PNF group demonstrated significant gains (9.9%) in knee extension torque of the contralateral leg. In contrast, no cross-training effects on peak flexion torque was observed.ConclusionsCross-training effects after PNF exercise were restricted to the knee extensor muscles. Such effects may be important when the aim of a rehabilitation program is to improve the knee extensor muscle function of an immobilized contralateral leg. 相似文献
10.
In this cross-sectional study, sagittal knee laxity and isokinetic strength of knee extensor and flexor muscle groups were measured and differences related to leg dominance were evaluated. A total of 44 healthy male soccer players (who had trained regularly at least for the last five years) and 44 sedentary people as their control counterparts were involved in this study. All participants were tested using a KT-1000 knee arthrometer for knee laxity. Isokinetic concentric knee peak torque and hamstring/quadriceps (H/Q) ratio were also measured at 60, 180, 300 degrees/s through a Cybex 2 - 340 dynamometer. Posterior laxity in the non-dominant side of soccer players was significantly higher than in the dominant side (p < 0.005) while there were no significant anterior and total anteroposterior (total AP) laxity differences in both groups. Soccer players had significantly lower anterior and total AP laxity values than controls (p < 0.0001) while there was no significant difference between posterior laxity values in both sides. Dominant extremity demonstrated significantly higher knee flexor peak torque and H/Q ratio at 180 degrees /s in soccer players (p < 0.05). Similarly in sedentary controls, H/Q ratio at 60 degrees /s of the dominant side was significantly higher than that in the non-dominant side (p < 0.05). Soccer players had significantly higher extensor and flexor peak torque values and H/Q ratios than sedentary subjects for both extremities. In both groups, there were no significant correlations between knee laxity and isokinetic knee extensor and flexor strength and H/Q ratios except weak negative correlation between posterior knee laxity and isokinetic extensor peak torque at 60, 180 and 300 degrees /s (p < 0.005, r = - 0.43, p < 0.05, r = - 0.39, p < 0.05, r = - 0.32 respectively) in the non-dominant side of soccer players and at 300 degrees /s (p < 0.05, r = - 0.32) in the non-dominant side of controls. Soccer players demonstrated significantly less sagittal knee laxity and higher isokinetic strength of the knee flexors and extensors compared to sedentary controls. Isokinetic strength difference was found to be higher for the flexor muscle group. Further prospective studies are needed to explain whether the increased H/Q ratio decreases the risk of ligamentous injury. 相似文献
11.
The relationship between participation restrictions and selected clinical measures following anterior cruciate ligament reconstruction 总被引:4,自引:3,他引:1
Michael D. Ross James J. Irrgang Craig R. Denegar Constance M. McCloy Edward T. Unangst 《Knee surgery, sports traumatology, arthroscopy》2002,10(1):10-19
This study examined the relationship between participation restrictions in activities of daily living and sports following anterior cruciate ligament reconstruction (ACLR) and the status of knee structures, performance-based activity limitations, and impairments. Fifty subjects (36 men, 14 women, age=20.6 +/- 1.3 years) at a mean of 31.0 +/- 16.3 months following ACLR participated in this study. Participation restrictions in activities of daily living and sports were measured by the combined scores of the Knee Outcome Survey Activities of Daily Living Scale and Sports Activity Scale. The status of knee structures was assessed by determining the number of previously injured structures in the knee and the time from the most recent ACLR to testing. Performance-based activity limitations were assessed with the single leg hop for distance test. Impairments included isokinetic quadriceps function and anterior tibiofemoral joint laxity. Forward stepwise regression analysis revealed that while the number of injured knee structures alone accounted for 47% of the variability in patient-reported participation restrictions, the combination of the number of injured knee structures, time from ACLR, and the hop index provided the most effective estimate of participation restrictions. Isokinetic quadriceps function and KT-1000 side-to-side differences were not entered into the regression model and were not significant predictors of participation restrictions. We recommend that clinicians use caution in assuming that isokinetic quadriceps function and anterior tibiofemoral joint laxity provide an effective estimate of participation restrictions. 相似文献
12.
PURPOSE: To examine gender differences in knee extensor strength, fatigue, and perceived exertion during a single set of continuous dynamic knee extensor contractions. METHODS: Fifteen men and 15 women were evaluated for their one-repetition maximum (1RM) during a single-leg, inertial knee extension with their right leg. All subjects then completed a single set of repeated knee extensions with a load equivalent to 50% of their 1RM to failure. Subjects lifted the weight by performing a knee extension, held the weight with the knee extended for 1-2 s, and then lowered the weight in a slow and controlled manner. Perceived exertion was measured after completion of each repetition, by viewing a modified Borg category-ratio (CR-10) scale. Perceived exertion responses were standardized across subjects via linear interpolation and power function modeling. The linear interpolated perceived exertion estimates were then examined for linear, quadratic, and cubic trends across the repetitions. RESULTS: Men lifted a significantly greater amount of mass than women, when corrected for body mass. Men and women did not differ significantly in the number of repetitions performed to failure. Women displayed significantly higher power function exponents for the perceived exertion response than men (0.72 +/- 0.16 and 0.57 +/- 0.16, respectively) and demonstrated statistically nonsignificant greater increases in perceived exertion than men across the repetitions. CONCLUSIONS: The major findings of this study indicated that: 1) men inherently possessed greater knee extensor strength than women; 2) submaximal fatiguing knee extensor performance did not differ between genders; 3) model selection had a significant impact on standardizing perceived exertion estimates; and 4) subtle gender differences in the perceived exertion response may have existed during submaximal, fatiguing resistance exercise. 相似文献
13.
Renata Vauhnik Matthew C. Morrissey Olga M. Rutherford Zmago Turk Iztok A. Pilih Maja Pohar 《Knee surgery, sports traumatology, arthroscopy》2008,16(9):823-833
The purpose of this study was to investigate if knee anterior laxity, measured with an arthrometer, is a risk factor for traumatic knee injury in sportswomen. To allow a more complete analysis, other, easily measured variables such as anthropometry, lower leg characteristics, sport exposure and menstrual cycle characteristics were also evaluated as possible risk factors. Subjects were Slovenian sportswomen aged between 11 and 41 years participating in basketball, team handball and volleyball (N = 540). Sportswomen were tested in the pre-season and followed for one season. The data collection included: written informed consent, background questionnaire, anthropometric tests, leg dominance assessment, navicular drop test (measurement of foot pronation), passive knee extension assessment and measurement of knee anterior laxity with a KT arthrometer. Several sets of data analysis were performed including logistic regression analysis in order to build a model for predicting traumatic knee injury among sportswomen. Height and average hours of training per week were found to differ significantly (P < 0.05) between injured and uninjured sportswomen. More sportswomen injured their non-dominant leg. Traumatic knee injuries among Slovenian sportswomen participating in basketball, team handball and volleyball are associated with higher amounts of training, greater body height and greater knee anterior laxity. Only 1% of the variability in traumatic knee injuries among sportswomen were explained with those variables suggesting that there are many other variables associated with traumatic knee injuries among sportswomen than were tested in this study. 相似文献
14.
The effects of compressive load and knee joint torque on peak anterior cruciate ligament strains 总被引:5,自引:0,他引:5
Fleming BC Ohlén G Renström PA Peura GD Beynnon BD Badger GJ 《The American journal of sports medicine》2003,31(5):701-707
BACKGROUND: High graft strains incurred during rehabilitation after anterior cruciate ligament reconstruction may be minimized if an external compressive load is simultaneously applied to the joint during closed kinetic chain exercises. HYPOTHESES: Peak anterior cruciate ligament strains will 1). increase with an increase in resistance torque during an exercise that involves concentric contraction of the extensor mechanism, 2). decrease with an increase in resistance torque during an exercise that involves concentric contraction of the flexors, and 3). decrease when an external compressive load is applied to the knee during both exercises relative to the no external compressive load condition. STUDY DESIGN: Controlled laboratory study. METHODS: Strains in the anteromedial bundle were measured in 10 subjects with normal ligaments. Flexor and extensor exercises were performed against controlled resistance torques with and without a compressive load applied to the foot. RESULTS: An increase in resistance produced an increase in peak anterior cruciate ligament strain for the extensor exercise with no compressive load applied. During the flexor exercise without a compressive load, an increase in resistance produced a decrease in peak strains. During the extensor exercise, the peak anterior cruciate ligament strain was not reduced with the application of the external compressive force. CONCLUSIONS: Extensor and flexor exercises that incorporate an external compressive load do not shield the anterior cruciate ligament from strain. However, no additional increase in strain occurs with an increase in resistance when the external compressive load is applied. Thus, it may be possible to increase the activity of the quadriceps muscles without increasing the strain by applying a compressive load (as with closed kinetic chain exercises). 相似文献
15.
The purpose of the present investigation was to evaluate physical outcome after anterior cruciate ligament (ACL) reconstruction
with early versus late initiation of open kinetic chain (OKC) exercises for the quadriceps in patients operated on either
patellar tendon or hamstring grafts. Sixty-eight patients, 36 males and 32 females, with either patellar tendon graft (34
patients) or hamstring graft (34 patients) were enrolled in this study. All patients were randomly allocated to either early
(the 4th postoperative week) or late (the 12th postoperative week) start of OKC exercises for the quadriceps, resulting in
four subgroups: patellar tendon reconstruction, early start (P4) or late start (P12) of OKC quadriceps exercises, hamstring
tendon reconstruction, early start (H4) or late start (H12) of quadriceps OKC exercises. Prior to surgery and 3, 5 and 7 months
later, assessments of range of motion (goniometer), anterior knee laxity (KT-1000), postural sway (KAT 2000), thigh muscle
torques (Kin–Com dynamometer) and anterior knee pain (anterior knee pain score) were evaluated. No significant group differences
were found in terms of range of motion 3, 5 and 7 months postoperatively. The H4 group showed a significantly higher mean
difference of laxity over time of 1.0 mm (CI: 0.18–1.86) than the P4 group (P = 0.04). Within the same type of surgery, the H4 against the H12, the mean difference over time was 1.2 mm (0.37–2.1) higher
in the H4 group than in the H12 group (P = 0.01). There were no significant group differences in terms of postural sway or anterior knee pain at the different test
occasions. Significant differences in trends (changes over time) were found when comparing the four groups, for both quadriceps
muscle torques (P < 0.001) and hamstring muscle torques (P < 0.001). All groups, except the P4 group, reached preoperative values of quadriceps muscle torques at the 7 months follow-up.
In the H4 and the H12 groups, significantly lower hamstring muscle torques at the 7 months follow-up compared with preoperative
values were found. In conclusion, early start of OKC quadriceps exercises after hamstring ACL reconstruction resulted in significantly
increased anterior knee laxity in comparison with both late start and with early and late start after bone–patellar tendon–bone
ACL reconstruction. Furthermore, the early introduction of OKC exercises for quadriceps did not influence quadriceps muscle
torques neither in patients operated on patellar tendon nor hamstring tendon grafts. On the contrary, it appears as if the
choice of graft affected the strength of the specific muscle more than the type of exercises performed. Our results could
not determine the appropriate time for starting OKC quadriceps exercises for patients who have undergone ACL reconstruction
with hamstring tendon graft. Future studies of long-term results of anterior knee laxity and functional outcome are needed. 相似文献
16.
Functional dynamic tests are increasingly used in rehabilitation after injuries of the lower extremities. In these tests quantitative measures (e.g. time, height, distance) are mainly used as parameters, whereas the quality of the neuromuscular performance is poorly evaluated. In the present study the neuromuscular performance of leg muscles in different motor tasks was investigated 10–16 months after ACL-reconstruction. In 39 subjects with arthroscopically assisted ACL-reconstruction and 20 controls, isometric knee extensor strength, thigh circumference, knee stability, subjective knee function and the neuromuscular performance (by kinematic data and EMG) during three dynamic tests (stair descending, one-legged drop jump, one-legged cyclic hops) were measured. During the strength measurements a superimposed twitch technique was used for the detection of neuromuscular inhibition. The results demonstrate a significantly reduced Lysholm-Score and a distinct strength deficit, but no neuromuscular inhibition and no differences in knee stability in the operated leg. Besides reduced motor abilities of the injured leg, significant differences of the neuromuscular performance could be detected. It was evident that different test conditions revealed different persisting changes of the neuromuscular performance, which could not be detected by kinematic parameters alone. 相似文献
17.
《Gait & posture》2019
BackgroundInjury to the anterior cruciate ligament (ACL) is common among young athletes and can impact knee stability and control. Wearing proprioceptive knee braces can improve knee control and may reduce the risk factors associated with injury and re-injury, although the effect of such braces after ACL reconstruction (ACLR) is unclear.Research questionThis study aimed to determine the effect of proprioceptive knee bracing on knee control and subjective rating of participants post ACLR during three dynamic tasks.MethodsFifteen participants 2–10 years post ACLR performed a slow step down, single leg drop jump, and pivot turn jump with and without a proprioceptive knee brace. Knee kinematics in the sagittal (flexion – extension), coronal (abduction – adduction), and transverse (internal – external rotation) planes were collected using a 3D infrared system. Paired t-tests were performed to explore differences in knee angles and angular velocities between the no brace and brace conditions during the three tasks. After each task, subjective ratings regarding ease of the task were recorded.ResultsThe brace reduced the peak knee external rotation angle and range of motion in the transverse plane during the pivot turn jump task, and significantly increased the maximum knee flexion angular velocity during the single leg drop jump task. The majority of participants reported that tasks were easier to perform with the proprioceptive brace than without.SignificanceThis study confirms that proprioceptive knee braces can significantly influence knee kinematics during dynamic tasks post ACLR. The observed effects were clinically relevant. 相似文献
18.
ObjectivesTo evaluate the perspectives and clinical practice of physiotherapists regarding rehabilitation after anterior cruciate ligament reconstruction (ACLR).DesignOnline survey.SettingSurvey platform.ParticipantsGreek physiotherapists.Outcome measuresThe survey consisted of 7 sections: participant demographics, importance of ACLR rehabilitation, clinical measurements, practice, criteria to progress rehabilitation, return to running and return to sport.ResultsSignificant variability in measures and criteria used for clinical decision-making were found including: limb symmetry in strength and function, knee range of motion and effusion, progression, and return to sport criteria. The majority of the practitioners (28.3%) extrapolate knee strength from hop capacity. Return to running ranged from 3 to 5 months post-operatively reflecting that this was tied to physical capacities, not time from surgery. 70.0% of the Greek physiotherapists would allow return to sport ≤9 months after ACLR. Agreement was found in using: physical measures, function, and dynamic stability in ACLR rehabilitation, but the mode and interpretation varied substantially. Less than 29.0% of the physiotherapists reported using patient-reported outcome measures in their decision-making.ConclusionCurrent ACLR rehabilitation practices in Greece are largely not aligned with the contemporary scientific evidence and guidelines. 相似文献
19.
Kinetic chain exercise in knee rehabilitation 总被引:9,自引:0,他引:9
20.
ObjectivesTo investigate whether an accelerated rehabilitation pathway could enhance strength and functional symmetry after ACLR, without affecting laxity.DesignRandomized Controlled Trial.SettingPrivate rehabilitation clinic.Participants44 patients randomized to an ‘Accelerated’ (n = 22) or ‘Control’ (n = 22) rehabilitation intervention.Main outcome measuresGraft laxity (primary outcome), isokinetic knee extensor and flexor strength, hop tests, surveys, sport participation, re-injuries and re-operations.ResultsNo knee laxity differences (p > 0.05) were observed. A significantly greater (p = 0.006) percentage of Accelerated (77.3%) versus Control (59.1%) patients were participating in Level 1 or 2 pivoting sports at 12 months. Greater limb symmetry indices were observed in the Accelerated group for knee extensor strength at 6 (p < 0.0001), 12 (p = 0.010) and 24 (p = 0.005) months, as well as the triple hop at 6 (p = 0.015) and 9 (p = 0.008) months, and the triple crossover hop at 6 (p < 0.0001) and 9 (p = 0.009) months. One ipsilateral re-tear was observed (Control group, 17 months). No differences (p˃0.05) existed in surveys apart from the Anterior Cruciate Ligament Return to Sport after Injury (ACL-RSI) score, better (p = 0.001) in the Accelerated group at 12 months.ConclusionsAccelerated rehabilitation produced earlier improvement in strength and hop LSIs, without increasing graft laxity. 相似文献