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Upper Extremities

QuestionAnswer
Levator Scapulae Action: elevation of scapula, lateral flexion of neck Synergist: Trapezius Antagonist: Trapezius (scapula depression)
Trapezius - Most superficial back muscle Actions: Adduction/retraction of scapula, elevation of scapula, depression of scapula, extension of neck Synergist: Coracobrachialis, Levator Scapulae, Rhomboids Antagonist: Serratus Anterior
Rhomboids - Deep to Trapezius Action: adduction/retraction of scapula Synergist: Trapezius Antagonist: Serratus Anterior
Pectoralis Minor - Deep to pectoralis major Action: Raises the ribs Breathing
Pectoralis Major - Superficial to pectoralis Action: Flexion of shoulder, adduction of shoulder, horizontal adduction of shoulder Synergist: Coracobrachialis
Serratus Anterior - Serrated like a knife Action: Protraction/Abduction of Scapula Antagonist: Trapezius, Rhomboids
Coracobrachialis Action: Flexion of shoulder, adduction of shoulder, horizontal adduction of shoulder Origin: Coracoid Process Insertion: Middle Shaft of Humerus Synergist: Pectoralis Major, Trapezius
Teres Major - Posterior, superficial to teres minor Action: Extension of shoulder, adduction of shoulder Synergist: Latissimus Dorsi, Deltoid
Lattissimus Dorsi Actions: Extension of shoulder, Adduction of the shoulder Synergist: Teres Major, Deltoid
Deltoid - Caps should joint Action: Abduction of shoulder, flexion of shoulder, extension of shoulder Synergist: Latissimus Dorsi, Teres Major
Subscapularis - Anterior, sits in subscapular fossa Action: Medial Rotation of Shoulder Antagonist: Infraspinatus, Teres Minor
Supraspinatus - Sits in supraspinatus fossa Action: Abduction of shoulder
Infraspinatus - Posterior, sits in infraspinatus fossa Action: Lateral rotation of shoulder Synergist: Teres Minor Antagonist: subscapularis
Teres Minor - Posterior, deep to teres major) Action: Lateral Rotation of Shoulder Synergist: Infraspinatus Antagonist: Subscapularis
Biceps Brachii - Superficial to brachialis Action: Flexion of elbow, supination of forearm, flexion of shoulder
Brachialis - deep to biceps brachii Action: Flexion of elbow Synergist: Biceps Brachii Antagonist: Triceps Brachii
Triceps Brachii Action: Extension of elbow Antagonist: Biceps Brachii, Brachialis
Pronator Teres Action: Pronation of forearm Synergist: Pronator Quadarus Antagonist: Supinator, Biceps Brachii
Pronator Quadraus Action: Pronation of forearm Synergist: Pronator Teres Antagonist: Supinator, Biceps Brachii
Brachioradialis Action: Flexion of elbow
Supinator Action: Supination of forearm Synergist: Biceps Brachii Antagonist: Pronator Teres, and Pronator Quadraus
Flexor Compartment - Group of muscles that perform flexion Action: flexion of wrist and fingers Antagonist: Extensor Compartment
Extensor compartment - group of muscles that perform extension Action: Extension of wrist and fingers Antagonist: Flexor Compartment
Created by: Shannonnev0822
 

 



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