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Throwing Injuries of the Shoulder Wheeless

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Location: http://www.wheelessonline.com/ortho/throwing_shoulder

Description: Phases of Throwing:
- wind up
- early cocking: deltoid and rotator cuff are active;
- late cocking phase:
- muscle activity:
- shoulder is placed in hyper-external rotation;
- pectoralis major and the subscapularis (shoulder adductors) and the latissimus and teres major (internal rotators) are placed under eccentric stress;
- supraspinatus is also active during this stage (by EMG analysis);
- biceps contracts (for elbow flexion)
Wheeless' Textbook of Orthopaedics

Type: Reference Material
Author/Contact: C.R.Wheeless
Institution: Duke
Primary Subject/Category:

Language: English

Submitted by: admin
Hits: 389
Added: Mon Feb 04 2002
Last Modified: Thu Jul 01 2010