Synergists Flashcards
Flexion (shoulder, antagonists on extension)
Deltoid (anterior fibers)
Pectoralis major (upper fibers)
Biceps brachii
Coracobrachialis
Extension (shoulder, antagonists on flexion)
Deltoid (posterior fibers) Latissimus Dorsi Teres Major Pectoralis major (lower fibers) Triceps brachii (long head)
Horizontal Abduction (antagonist on h. adduction)
Deltoid (posterior fibers)
Horizontal Adduction (antagonist on h. abduction)
Deltoid (anterior fibers) Pectoralis major (upper fibers)
Abduction (antagonists on adduction)
Deltoid (all fibers)
Supraspinatus
Adduction (antagonists on abduction)
Latissimus dorsi Teres Major Infraspinatus Teres Minor Pectoralis major (all fibers) Triceps brachii (long head) Coracobrachialis
Lateral Rotation [external rotation] (antagonists on medial rotation)
Deltoid (posterior fibers)
Infrspinatus
Teres Minor
Medial Rotation [internal rotation] (antagonists on lateral rotation)
Deltoid (anterior fibers) Latissimus dorsi Teres major Subscapularis Pectoralis major (all fibers)
Elevation (antagonists on depression
Trapezius (upper fibers, unilaterally)
Rhomboid major
Rhomboid minor
Levator scapula (unilaterally)
Depression (antagonists on elevation)
Trapezius (lower fibers)
Serratus anterior (with the origin fixed)
Pectoralis minor
Adduction [retraction] (antagonists on abduction)
Trapezius (middle fibers)
Rhomboid major
Rhomboid minor
Abduction [protraction] (antagonists on adduction)
Serratus anterior (with the origin fixed) Pectoralis minor
Upward Rotation of the Scapula (antagonists on downward rotation)
Trapezius (upper and lower fibers) Serratus anterior (with the origin fixed)
Downward Rotation of the scapula (antagonists on upward rotation)
Rhomboid major
Rhomboid minor
Levator scapula
Pectoralis minor
