Podcast
Questions and Answers
Which muscle is responsible for the initiation of abduction of the arm in its early steps?
Which muscle is responsible for the initiation of abduction of the arm in its early steps?
Which nerve supplies the Teres Major muscle?
Which nerve supplies the Teres Major muscle?
Which muscle is involved in adduction and lateral rotation of the arm?
Which muscle is involved in adduction and lateral rotation of the arm?
Which muscle action leads to flattening of the shoulder and atrophy of deltoid when injured?
Which muscle action leads to flattening of the shoulder and atrophy of deltoid when injured?
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Study Notes
Muscles and Nerve Supply
- The Supraspinatus muscle is responsible for the initiation of abduction of the arm in its early steps.
Teres Major Muscle
- The Lower Subscapular Nerve (Nerve to Teres Major) supplies the Teres Major muscle.
Muscle Actions
- The Pectoralis Major muscle is involved in adduction and lateral rotation of the arm.
Muscle Injuries
- Injury to the Axillary Nerve leads to flattening of the shoulder and atrophy of the Deltoid muscle.
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Description
Test your knowledge of the muscles of the shoulder (scapular region) with this quiz. Identify and learn about the deltoid, supraspinatus, infraspinatus, teres minor, teres major, and subscapularis muscles, along with their functions and nerve supply.
