Volume and mobility of the infrapatellar fat pad during quasi-static knee extension after manual therapy in patients with knee osteoarthritis: a randomized control trial study |
| |
Authors: | Yuriko Okita Toshihiro Sadamatsu Toshio Kawahara Kazuyoshi Gamada |
| |
Affiliation: | 1) Department of Rehabilitation, Sadamatsu Hospital, Japan;2) Department of Orthopedic Surgery, Sadamatsu Hospital, Japan;3) ReaLine Lab., GLAB Corp.: 889-1 Kurose-cho, Munechika-Yanakuni, Higashihiroshima, Hiroshima 739-2504, Japan |
| |
Abstract: | [Purpose] This study aimed to determine whether the volume and mobility of the infrapatellar fat pad (IPFP) change as a result of manual release or stretching during quasi-static knee extension in patients with knee osteoarthritis (KOA). [Participants and Methods] Fourteen patients with KOA were allocated to one of two groups: the manual release (R) and stretching (S, control) groups. They all underwent 12 treatment sessions in in a space of four weeks. We created 3D models of the IPFP, tibia, patella, and patellar tendon using sagittal MRI scans with the knee at 30° or 0°. We compared the differences in (1) the distance of anterior movement of the anterior surface of the IPFP (IPFP movement) and (2) the volume of the IPFP, between the R and S groups, using the 3D models. [Results] Neither group showed any anterior movement of the IPFP during quasi-static knee extension at pre-intervention; however, both groups showed significant anterior movement of the IPFP at post-intervention. IPFP movement decreased in the S group, meanwhile it increased in the R group at post-intervention. [Conclusion] Anterior movement of the IPFP was more increased by manual release than by stretching since the latter may have shortened the distance between the patella and tibial tuberosity at 0° and 30° flexion. |
| |
Keywords: | Infrapatellar fat pad Knee Knee osteoarthritis |
|
|