Actions of Muscles

Actions of Muscles - o Latissimus dorsi o Pectoralis major...

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Extend and rotate head, neck, and trunk o Transversospinalis Semispinalis Multifidus Rotatores Extend, rotate, and laterally flex vertebral column and head o Erector Spinae Group Iliocostalis Longissimus Spinalis Elevation pectoral girdle/scapula o Trapezius o Levator scapulae Depression pectoral girdle o Trapezius Retraction of Scapula/Adduction o Trapezius o Latissimus dorsi o Rhomboid minor and major o Pectoralis major Protraction (abduction) of scapula o Serratus anterior Extension of Shoulder o Latissimus dorsi Rotation Scapula o Trapezius o Serratus anterior Rotation Scapula o Levator scapulae o Rhomboid minor and major Anterior and inferior pulling of scapula o Pectoralis minor
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Depression of clavicle o subclavius Medial Rotation Humerus
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Unformatted text preview: o Latissimus dorsi o Pectoralis major o Subscapularis o Teres major o Deltoid • Lateral Rotation Humerus o Infraspinatus o Teres minor o Deltoid • Abduction of Humerus o Initiator-Supraspinatus o Deltoid • Adduction of Humerus o Subscapularis o Teres major o Coracobrachialis • Flexion of Humerus o Deltoid o WEAK-Biceps Brachii o Coracobrachialis • Extension of Humerus o Teres major o Deltoid • GH stabilization o Supraspinatus o Infraspinatus o Teres minor o Subscapularis • Elbow Flexion o Biceps brachii o Brachialis • Elbow Extension o Triceps Brachii o Anconeus • Elbow Supination o Biceps brachii • Elbow Stabilization o Anconeous...
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Actions of Muscles - o Latissimus dorsi o Pectoralis major...

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