Department of Medical Research, E-Da Hospital, Kaohsiung, Taiwan; Medical College, I-Shou University, Kaohsiung, Taiwan.
Department of Orthopedics, Ditmanson Medical Foundation Chiayi Christian Hospital, Chia-Yi, Taiwan.
Musculoskelet Sci Pract. 2024 Oct;73:103153. doi: 10.1016/j.msksp.2024.103153. Epub 2024 Jul 26.
Joint position sense is the ability to detect body segment position in space and is commonly used to represent proprioceptive performance. The isokinetic dynamometer is frequently used to evaluate elbow joint position sense during active and passive reproduction tasks with various testing protocols. However, few studies have reported the performance of joint position sense under different testing conditions.
To compare elbow joint position sense between active and passive reproduction tasks under different matching speeds and reference targets.
A cross-sectional study.
Twenty participants without a history of upper-extremity surgery or neuromuscular diseases that affect the joint position sense of the elbow. Active and passive ipsilateral matching tasks were performed at four movement speeds (0.5°/s, 1°/s, 2°/s, and 4°/s) and three reference targets (elbow flexion at 0°-15°, 45°-60°, and 75°-90°), using an isokinetic dynamometer. The absolute and variable errors of each condition were calculated for comparison.
In active matching task with elbow flexion of 0°-15°, the absolute error at 0.5°/s was significantly larger than that at 2°/s and 4°/s, while the variable error at 1°/s was significantly larger than that at 2°/s. However, no differences were found at elbow flexion angles of 45°-60° and 75°-90°. Larger absolute errors were found at 4°/s with three testing angles in passive matching task.
This study compared the joint position sense errors under various testing conditions in the active and passive reproduction tasks. The movement speeds and target position effects should be considered during evaluation.
关节位置觉是检测身体部位在空间中位置的能力，常用于代表本体感觉性能。等速测力仪常用于评估主动和被动再现任务中肘关节位置觉，采用不同的测试方案。然而，很少有研究报告在不同测试条件下关节位置觉的性能。
比较主动和被动再现任务中不同匹配速度和参考目标下的肘关节位置觉。
横断面研究。
20 名参与者无上肢手术史或影响肘关节位置觉的神经肌肉疾病史。在等速测力仪上进行同侧主动和被动匹配任务，运动速度为 0.5°/s、1°/s、2°/s 和 4°/s，参考目标为 0°-15°、45°-60°和 75°-90°的肘关节屈曲。计算每个条件的绝对和可变误差进行比较。
在主动匹配任务中，0°-15°的肘关节屈曲时，0.5°/s 的绝对误差明显大于 2°/s 和 4°/s，而 1°/s 的可变误差明显大于 2°/s。然而，在 45°-60°和 75°-90°的肘关节屈曲角度下，没有发现差异。在被动匹配任务中，三个测试角度的 4°/s 时，绝对误差较大。
本研究比较了主动和被动再现任务中在各种测试条件下的关节位置觉误差。在评估时应考虑运动速度和目标位置的影响。
