Muscle Practical 2 Flashcards
(34 cards)
Supraspinatus
Abducts shoulder
Infraspinatus
Laterally rotates shoulder; extends shoulder
Teres minor
Laterally rotates shoulder; extends shoulder
Teres major
Adducts, extends, and medially rotates shoulder
Deltoid
Abducts, flexes, and extends shoulder
Serrated anterior
Protracted scapula; depresses scapula; rotates scapula up
Pectoralis minor
Depresses scapula; protracts scapula
Pectoralis major
Flexes shoulder; adducts shoulder; medially rotates shoulder
Subscapularis
Medially rotates shoulder; adducts shoulder
Biceps brachi short head
Flexes elbow; supinates forearm
O: coracoid process of scapula
I: radial tuberosity of radius
Biceps brachii long head
Flexes elbow; supinates forearm
O: supraglenoid tubercle of scapula
I: radial tuberosity of radius
Coracobrachialis
Flexes shoulder; adducts shoulder
O: coracoid process of scapula
I: center of med. diaphysis of humerus
Brachialis
Flexes elbow
O: anterior humerus
I: ulnar tuberosity and coroners process of ulna
Triceps brachii long head
Extends elbow
O: infraglenoid tubercle of scapula
I: olecranon process of ulna
Triceps brachii medial head
Extends elbow
O: lower post. Humerus
I: olecranon process of ulna
Triceps brachii lateral head
Extends elbow
O: sup. Post./Lat. humerus
I: olecranon process of ulna
Abductor pollicis longus
abducts pollex
extensor pollicis brevis
extends pollex
extensor pollicis longus
extends pollex
extensor indicis
extends digit 2
extensor carpi radialis longus
extends wrist and abducts wrist
extensor carpi radialis brevis
extends wrist abducts wrist
extensor digitorum
extends wrist and extends digits 2-5
extensor digiti minimi
extends digit 5
