Show:
Muscles that adduct the arm
Muscles that act on the scapula
Rotator Cuff Muscles
Elbow flexors & extenders
Random
100
Origin: Inferior angle of scapula & lower third of axillary border of scapula Innervation: Lower subscapular nerve
What is Teres Major
100
Origin: Minor: C7 & T1. Major: T2-T5 Action: Retraction, downward rotation of scapula Innervation: Dorsal scapular Nerve
What are the Rhomboids
100
Origin: Upper 23 of axillary border of scapula Action: Lateral rotation, extenstion of humerus Innervation: Axillary nerve
What is Teres Minor
100
Origin: Long head- infraglenoid tubercle of scapula Lateral head- posterior humerus above spiral groove Medial head- posterior humerus below spiral groove. Innervation: Radial Nerve Action: Extends elbow
What is Triceps Brachii
100
This muscle is responsible for opposition of the thumb
What is Opponens Pollicis
200
Origin: Clavicular head: Medial half of clavicle Sternal head: Sternum, cartilages of upper 6 ribs Insertion: Lateral lip of bicipital groove of humerus
What is Pectoralis Major
200
Insertion: Coracoid process of scapula on medial border of superior surface Action: Protraction, depression, downward rotation of scapula Innervation: Medial Pectoral nerve
What is Pectoralis Minor
200
Origin: Supraspinous fossa of scapula Innervation: Suprascapular nerve
What is Supraspinatus
200
Origin: Lateral epicondyle of humerus Insertion: Olecranon process and upper posterior surface of ulna. Action: Assist extension of elbow
What is Anconeus
200
Insertion: Deltoid tuberosity of humerus Action: ABduction of humeruus
What is Deltoid
300
Origin: Coracoid process of scapula Innervation: Musculocutaneous Nerve
What is Coracobrachialis
300
Origin: 1st rib costocartilage junction Insertion: Inferior shaft of clavicle- middle 1/3 Action: Stabilize clavice by moving it medially
What is Subclavius
300
Origin: Infraspinous fossa of scapula Action: Lateral rotation, extension of humerus Innervation: Suprascapular nerve
What is Infraspinatus
300
Origin: Lower half of anterior shaft of humerus Insertion: Tuberosity of ulna, coronoid process of ulna Action: Flex elbow
What is Brachialis
300
Binds down the floxor tendons of the fingers, the flexor carpi radialis tendon, and the median nerve. Creates the carpal tunnel.
What is Flexor Retinaculum
400
Origin: Upper 2/3 of axillary border of scapula Innervation: Axillary Nerve
What is Teres Minor
400
Origin: Outer surface of upper 8 ribs Action: Protraction, upward rotation of scapula, stabilize scapula against chest wall Innervation: Long Thoracic Nerve
What is Serratus Anterior
400
Origin: Subscapular fossa of scapula Innervation: Upper & Lower subscapular nerve
What is Subscapularis
400
Origin: Short head- coracoid process of scapula. Long head- supraglenoid tubercle of scapula Action: Flex elbow, supinate forearm Innervation: Musculocutaneous nerve
What is Biceps Brachii
400
***DOUBLE JEOPARDY*** Origin: Medial epicondyle of humerus Insertion: Flxor retinaculum of the wrist and palmar fascia. Action: Flex the hand at the wrist and flex forearm
What is Palmaris Longus
500
Origin: Thoracolumbar aponeurosis, lower 6 thoracic spinous processes, sacrum and iliac crest, lower 3 to 4 ribs, inferior angle of scapula Innervation: Thoracodorsal nerve
What is Latissimus Dorsi
500
Origin: C1-4 Insertion: Vertebral border of scapula from superior angle to root of spine Action: Elevation, downward rotation of scapula Innervation: Dorsal Scapular Nerve
What is Levator Scapula
500
Origin: Lateral supracondylar ridge of humerus Insertion: Styloid process of radius Action: Flex elbow
What is Brachioradialis
500
Origin: Medial epicondyle of humerus Action: Flex wrist and ABduct wrist radially
What is Flexor Carpi Radialis