Shoulder muscle activity during pushing, pulling, elevation and overhead throw

Illyés, Árpád; Kiss, Rita M.

doi:10.1016/j.jelekin.2004.10.005

Cited by 48 publications

(42 citation statements)

References 17 publications

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“…Importantly, as we did not alter the electrode to underlying muscle relationship, the differences we observed between the control and glide (experimental) conditions represent the glide's effect, which is main aim of this study. Despite its limitations, SEMG has been commonly used for monitoring rotator cuff muscle activity (Fischer, Grewal, 2011, Illyes and Kiss, 2005, Kisiel-Sajewicz, Fang, 2011, McDonald, Brenneman, 2014. We did not monitor the activity of the subscapularis, anterior deltoid, teres minor and major, and scapular muscles, so it is unclear what the effects of a sustained glenohumeral postero-lateral glide are on these muscles.…”

Section: Limitationsmentioning

confidence: 98%

The initial effects of a sustained glenohumeral postero-lateral glide during elevation on shoulder muscle activity: A repeated measures study on asymptomatic shoulders

et al. 2016

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Section: Limitationsmentioning

confidence: 98%

The initial effects of a sustained glenohumeral postero-lateral glide during elevation on shoulder muscle activity: A repeated measures study on asymptomatic shoulders

et al. 2016

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“…The measurement was performed at the Biomechanical Laboratory of the Department of Applied Mechanics at the Budapest University of Technology and Economics, and Szolnok Hospital of Hungarian Railways. The detailed ultrasound-based shoulder kinematic and electromyographic measurement method is described by the same authors previously 8,9 .…”

Section: Methods Of Biomechanic Measurementmentioning

confidence: 99%

Intermediate biomechanical analysis of the effect of physiotherapy only compared to capsular shift and physiotherapy in multidirectional shoulder instability

Nyiri¹,

Illyés²,

Kiss³

et al. 2010

Biomech Hung

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Purpose: The aim of study is to compare the kinematic parameters and activity pattern of muscles around the glenohumeral joint in multidirectional instability (MDI) treated by only physiotherapy and by capsular shift and physiotherapy, before and after treatment. Materilal and method:The study was carried out on 32 patients with MDI treated with only physiotherapy (29 patients after 2 years, and 21 patients after 4 years), 19 patients with MDI treated by capsular shift and physiotherapy (19 patients after 2 and 4 years), and 50 healthy subjects as control group. The investigated kinematic parameters were the range of the humeral elevation (HE) in the scapular plane, the scapulothoracal and glenohumeral angle, the scapulothoracal (ST) and glenohumeral (GH) rhytms, and relative displacement between the rotation centers of the humerus and the scapula. The muscle activity was modeled by the on-off pattern of muscles around the shoulder.Results: Before treatment the increased relative displacement between the rotation centers of the scapula and the humerus and different ST and GH rhythms were observed in MDI patients. The physiotherapy strengthened the rotator cuff, biceps brachii, triceps brachii, deltoid muscle, but ST and GH rhytms remained monolinear. Capsular shift and physiotherapy resulted bilinear ST and GH rhytms and normal relative displacement between the rotation center of scapula and humerus was restored. After surgery and physiotherapy the activity pattern of muscles around the shoulder was almost normal. Conclusion:The signifi cant alterations in kinematic parameters in MDI patients cannot be restored by physiotherapy only. After the capsular shift and postoperative physiotherapy the bilinear ST and GH rhytm (angulation at 60 degree), the normal relative displacement between the rotation centers of scapula and humerus and the normal muscular activity pattern can be restored.

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“…[34][35][36] Despite its spatial limitation, SEMG has been commonly used for recording rotator cuff muscle activity. [19][20][21]37 One of the main criticisms for its use is the potential crosstalk from adjacent muscles.…”

Section: Limitationsmentioning

confidence: 99%

Shoulder muscle activity during the modified dynamic relocation test and side-lying shoulder external rotation: a cross-sectional study on asymptomatic individuals

Ribeiro

Shemmell

Falling

et al. 2016

Journal of Manual & Manipulative Therapy

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Objectives: (1) to compare activity levels between monitored muscles during the dynamic relocation test (DRT); (2) to assess changes in muscle activation variability over 10 trials; (3) to assess within-muscle difference activity levels between the DRT and the unloaded side-lying shoulder external rotation exercise. Methods: This is a cross-sectional, laboratory-based, repeated measures study. Thirty asymptomatic individuals performed the DRT and unloaded side-lying external rotation. The order of exercises was randomized. Superficial electromyography was used for recording the supraspinatus, infraspinatus, middle deltoid, posterior deltoid, pectoralis major, and latissimus dorsi muscles. The main outcome measures were mean muscle activity, expressed as % of maximal isometric voluntary contraction. Results: We found significant between-muscles differences in activity (F t = 14.11, p < 0.001) during the DRT. Post hoc analysis suggested between-trial variability did not change over the 10 trials, (F = 18.2, p < 0.001). Within-muscle comparisons between the DRT and side-lying shoulder external rotation suggested significant differences between these exercises (F = 32.37, p < 0.001). Conclusions: considering the monitored muscles, supraspinatus, infraspinatus, pectoralis major, and latissimus dorsi are the main muscles contracting during the DRT. Of all monitored muscles, supraspinatus muscle was the only one presenting higher activity levels during the DRT when compared to the unloaded side-lying shoulder external rotation.

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Shoulder muscle activity during pushing, pulling, elevation and overhead throw

Cited by 48 publications

References 17 publications

The initial effects of a sustained glenohumeral postero-lateral glide during elevation on shoulder muscle activity: A repeated measures study on asymptomatic shoulders

The initial effects of a sustained glenohumeral postero-lateral glide during elevation on shoulder muscle activity: A repeated measures study on asymptomatic shoulders

Intermediate biomechanical analysis of the effect of physiotherapy only compared to capsular shift and physiotherapy in multidirectional shoulder instability

Shoulder muscle activity during the modified dynamic relocation test and side-lying shoulder external rotation: a cross-sectional study on asymptomatic individuals

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