Effects of Conscious Control of Scapular Orientation in Oral Cancer Survivors With Scapular Dyskinesis: A Randomized Controlled Trial

被引:3
作者
Chen, Yueh-Hsia [1 ,2 ]
Huang, Cheng-Ya [1 ]
Liang, Wei-An [2 ]
Lin, Chi-Rung [2 ]
Chao, Yuan-Hung [1 ,3 ]
机构
[1] Natl Taiwan Univ, Taipei, Taiwan
[2] Chang Gung Mem Hosp, Linkou Branch, Taoyuan, Taiwan
[3] Natl Taiwan Univ Hosp, Chu Tung Branch, Zhudong Township, Hsin Chu County, Taiwan
关键词
oral cancer; conscious control of scapular orientation; neck dissection; accessory nerve; scapular dyskinesis; SHOULDER IMPINGEMENT SYNDROME; TAIWAN CHINESE VERSION; QUALITY-OF-LIFE; NECK DISSECTION; ELECTROMYOGRAPHIC ANALYSIS; STABILIZATION EXERCISE; MUSCLE ACTIVATION; SERRATUS ANTERIOR; MOTOR CONTROL; TRAPEZIUS;
D O I
10.1177/15347354211040827
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Objectives: Spinal accessory nerve dysfunction is one of the complications of neck dissection in patients with oral cancer. This study aimed to explore the effects of long-term scapular-focused exercises and conscious control of scapular orientation on scapular movement and quality of life (QoL). Methods: This study was a randomized controlled trial with concealed allocation, assessor blinding, and intention-to-treat analysis. Thirty-six patients with oral cancer were randomly allocated to the motor-control group (scapular-focused exercise + conscious control of scapular orientation) or the regular-exercise group (scapular-focused exercises only). Both groups received conventional physical therapy after neck dissection for 3 months. Shoulder pain intensity, active range of motion (AROM) of shoulder abduction, scapular muscle strength and activity under maximal voluntary isometric contraction (MVIC), scapular muscle activity when performing scapular movements, and QoL were measured at baseline, 1 month after the start of the intervention, and the end of the intervention. Results: Both groups showed significant improvement in all outcomes except shoulder pain intensity. After the 3-month intervention, the motor-control group had more significant improvement in AROM of shoulder abduction with a 19 degrees difference (95% CI: 10-29, P<; .001), muscle strength of upper trapezius with an 11 N difference (95% CI: 2-20; P = .021), and QoL than the regular-exercise group. When performing shoulder horizontal adduction and flexion, the relative value (%MVIC) of serratus anterior was smaller in the motor-control group with a 106%MVIC difference (95% CI: 7-205, P = .037). Conclusions: Scapular-focused exercises have promising effects on spinal accessory nerve dysfunction. Combining scapular-focused exercises with conscious control of scapular orientation has more remarkable benefits on AROM of shoulder abduction, UT muscle strength, and muscle activation pattern than the scapular-focused exercises alone. Conscious control of scapular orientation should be considered to integrate into scapular-focused exercises in patients with oral cancer and scapular dyskinesis.
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页数:12
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