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Shoulder external rotation range of motion and pectoralis minor length in individuals with and without shoulder pain

机译:肩部旋转范围的动作和胸廓少量的个体,没有肩部疼痛

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Background: There is evidence that pectoralis minor (PM) length influences scapula position and that scapula position relates to glenohumeral joint (GHJ) external rotation (ER) range of motion (ROM). Objectives: To explore the association between PM resting length and GHJ ER ROM in individuals with and without shoulder pain. The influence of GHJ ER ROM measurement position on this association was also evaluated. Design: Cross-Sectional. Methods: Fifty individuals (25 asymptomatic and 25 with shoulder pain) participated. PM resting length was measured using a tape measure with subjects standing, while GHJ ER ROM was quantified using a digital inclinometer with participants in both supine and seated positions. The same blinded investigator took all measurements. Results/Findings: A significant negative correlation between PM resting length and GHJ ER ROM in the seated position was noted in the asymptomatic group (r?=??0.41; p?=?0.04), but not in the symptomatic group (r?=??0.33; p?=?0.11). A nonsignificant negative correlation was also demonstrated in the supine position for both groups (r ranged from ?0.35 to ?0.17; p?>?0.05). There was a significant group x position interaction (F?=?4.06; p?=?0.04) with more GHJ ER ROM (6.80°) for asymptomatic group in the seated position. Conclusions: PM length is not strongly correlated with GHJ ER ROM in individuals with or without shoulder pain. However, the position in which GHJ ER ROM is measured influenced the motion in asymptomatic individuals.
机译:背景:有证据表明Pectoralis Minor(PM)长度影响肩胛骨位置,并且肩胛骨位置涉及Glenohumern关节(GHJ)外旋(ER)运动范围(ROM)。目标:探讨PM休息时间与GHJ ER ROM的关联,在没有肩部疼痛的情况下。还评估了GHJ ER ROM测量位置对该关联的影响。设计:横截面。方法:参加了五十个体(25例无症状,25例,肩痛)参加。 PM使用带有受试者的卷尺测量PM休息长度,而GHJ ER ROM使用数字倾斜度计定量,其中仰卧位和坐姿的参与者。同样的盲化调查员均进行了所有测量。结果/调查结果:在无症状组中注意到PM休息长度和GHJ ER ROM之间的显着的负相关性(R?= ?? 0.41; p?= 0.04),但不在症状组(R? = ?? 0.33; p?=?0.11)。两组的仰卧位也证明了不显着的负相关(R从Δ0.35到0.17; p?> 0.05)。有一个重要的X位置相互作用(F?=?4.06; p?= 0.04),具有坐姿的无症状组的更高的GHJ ER ROM(6.80°)。结论:PM长度与有或没有肩部疼痛的个体中的GHJ ER ROM没有强烈相关。然而,测量GHJ ER ROM的位置影响了无症状的个体中的运动。

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