Unit 3 Ch. 11 Appendicular Musculature [Arm]

pectoralis minor

O: Anterior surface of ribs 2-4
I: Coracoid process of scapula
A: Depress/protract the shoulder

OIA?

Latissimus Doris

I: Intertubercular sulcus of humerus
A: extension at shoulder

IA?

Trapezius

I: Clavicle and Scapula
A: extend neck

IA?

Rhomboid major

A: Downwards rotation of the scapula

A?

pectoralis major

I: Crest of greater tubercle
A: flexion at shoulder

IA?

Deltoid

O: clavicle and scapula
I: Deltoid tuberosity of humerus
A: Abduction of shoulder

OIA?

Subscapularis

O: subscapular fossa
I: lesser tubercle of humerus
A: Medial rotation at shoulder

OIA?

Supraspinatus

O: Supraspinous fossa
I: Greater tubercle of humerus
A: Abduction at shoulder

OIA?

Infraspinatus

O: Infraspinous fossa of scapula
I: Greater tubercle of humerus
A: Lateral rotation at shoulder

OIA?

Teres minor

O: Lateral boarder of scapula
I: Greater tubercle of humerus
A: Adduction at shoulder

OIA?

teres major

O: Inferior angle of scapula
I: Intertubercular sulcus of humerus
A: medial rotation at shoulder

OIA?

coracobrachialis

O: coracoid process of scapula
A: flexion at the shoulder

OA?

Biceps brachii long head

O: supraglenoid tubercle of scapula
I: radial tuberosity
A: flexion at elbow

OIA?

biceps brachii short head

O: coracoid process of scapula
I: radial tuberosity
A: Flexion at elbow

OIA?

Brachialis

I: Ulnar tuberosity
A: Flexion at elbow

IA?

Brachioradialis

I: Styloid process of radius
A: flexion at elbow

IA?

Anconeus

A: Extension at elbow

A?

Triceps brachii long head

I: olecranon process of ulna
A: extension at elbow

IA?

Triceps brachii lateral head

I: olecranon process of ulna
A: extension at elbow

IA?

triceps brachii medial head
I: olecranon process of ulna
A: extension at elbow

IA?

pronator teres

O: medial epicondyle of humerus
I: Middle of lateral surface of radius
A: pronates forearm

OIA?

flexor carpi radialis

A: Flexion at wrist

A?

palmaris longus

A: flexion at wrist

A?

flexor carpi ulnaris

A: Flexion at wrist

A?

extensor carpi radialis longus

A: Extension at wrist

A?

extensor carpi radialis brevis

A: Extension at wrist

A?

extensor carpi ulnaris

A: extension at wrist

A?

extensor digitorum

A: Extension at wrist

A?

extensor retinaculum

flexor retinaculum

Rhomboid minor

A: Downwards rotation of the scapula

A?

levator scapulae

I: medial end of scapular spine
A: elevates scapula

IA?

Serratus anterior

O: Anterior and superior margins of ribs 1-10
I: Anterior surface of vertebral border of scapula
A: Protracts shoulder

OIA?

Supinator

O: Lateral epicondyle of humerus
I: Anterolateral surface of radius distal to the radial tuberosity
A: supinates forearm

OIA?

extensor digiti minimi

A: Extension at wrist

A?