Hand grip strength as a predictor of recovery from low back pain in the pregnant women-a prospective study |
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| Authors: | Gong Long Zhang Yao Yao Yang Na Yi Ping Yang Feng Tang Xiangsheng Ma Haoning Tan Mingsheng |
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| Institution: | 1. Department of Orthopedic, China-Japan Friendship Hospital, Peking Union Medical College, Chinese Academy of Medical College, China;2. Department of Obstetrics and Gynecology, West China Second University Hospital of Sichuan University, Chengdu, 610041, Sichuan, China;3. Key Laboratory of Birth Defects and Related Diseases of Women and Children of the Ministry of Education, Chengdu, 610041, Sichuan, China;4. Bao Ding Maternal and Children Hospital, Baoding, Hebei, 071000, China;5. Department of Orthopedic, China-Japan Friendship Hospital, China;1. Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, 65, Tsurumai-cho, Showa-ku, Nagoya, 466-8560, Japan;2. Department of Orthopaedic Surgery, Chubu Rosai Hospital, 1-10-6, Komei, Minato-ku, Nagoya, 455-8530, Japan;3. Department of Orthopaedic Surgery, Konan Kosei Hospital, 137, Omatsubara, Takaya-cho, Konan, Aichi, 483-8704, Japan;4. Department of Orthopaedic Surgery, Japanese Red Cross Nagoya Daini Hospital, 2-9, Myoken-cho, Showa-ku, Nagoya, 466-8650, Japan;5. Department of Orthopaedic Surgery, Hachiya Orthopaedic Hospital, 2-4, Suemoridori, Chikusa-ku, Nagoya, 464-0821, Japan;6. Department of Orthopaedic Surgery, Kariya Toyota General Hospital, 15, Sumiyoshi-cho 5, Kariyashi, Aichi, 448-8505, Japan;7. Department of Orthopaedic Surgery, National Center for Geriatrics and Gerontology, 7-430, Morioka-cho, Obu, Aichi, 474-8511, Japan;8. Department of Orthopaedic Surgery, Japanese Red Cross Nagoya Daiichi Hospital, 3-35, Michishita-cho, Nakamura-ku, Nagoya, 453-8511, Japan;9. Department of Orthopaedic Surgery, Anjo Kosei Hospital, 28, Higashi-Kohan, Anjo-cho, Anjo, Aichi, 446-8602, Japan;1. Department of Orthopaedic Surgery Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan;2. Department of Orthopaedic Surgery, Fujita Health University, 1-98 Denrakugakubo, Kutsukake-cho, Toyoake-shi, Aichi 470-1192, Japan;1. Department of Orthopaedics, Kaohsiung Veterans General Hospital, Taiwan;2. Department of Anesthesiology, National Cheng Kung University Hospital, Tainan, Taiwan;3. Institute of Clinical Pharmacy and Pharmaceutical Science, National Cheng Kung University, Taiwan;4. Nursing College, Fooyin University, Kaohsiung, Taiwan;1. Department of Orthopaedic Surgery, School of Medicine, Keio University, 35 Shinano-machi, Shinjuku, Tokyo, 160-8582, Japan;2. Aiko Orthopaedic Surgery, 1221 Jinmyo, Okehazama, Midori-ku, Nagoya, Aichi, 458-0919, Japan;3. Institute for Integrated Sports Medicine, Keio University School of Medicine, 35 Shinano-machi, Shinjuku-ku, Tokyo, 160-8582, Japan;1. Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan;2. Department of Social Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan |
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| Abstract: | BackgroundLow back pain (LBP) is a common musculoskeletal problem during pregnancy with an estimated prevalence ranging from 30% to 78%. The symptoms usually disappear gradually after delivery, but some women may have persistent problems even later in their lives. The definite mechanism behind LBP during pregnancy remains unknown. Therefore, the purpose of this study was to investigate whether hand grip strength (HGS), which is a straightforward and reliable indicator of overall muscle strength, is associated with unrecovered LBP after delivery.Methods257 pregnant women who registered at obstetrics units in two tertiary hospitals from January 2016 to June 2017 and meanwhile suffered the LBP during pregnancy were included. They were grouped based on whether they recovered from LBP after delivery (recovery was de?ned as a pain rating of ≤3). The variables such as age, HGS, and education level were recorded and examined for the risk analysis of unrecovered LBP. Also, the Pearson correlation between HGS levels and pain intensities was investigated.ResultsLBP without recovery at two years after delivery was reported among 22.7% of the subjects. Women with increasing age, low HGS (<25 kg), LBP in a previous pregnancy, back pain, sick leave, and a large amount of physical demand (all p < 0.05), were more likely to report LBP without recovery. Besides, there was a significant correlation between HGS values and the intensities of LBP (r = ?0.525; p = 0.003).ConclusionsLow HGS has the highest OR value (adjusted OR = 9.12, P < 0.001) among these factors. The present findings may be used to design and encourage a specific stabilization exercise regime to build well stability of the lumbar spinal column and thus alleviating the LBP. |
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