Muscles II - Deep Shoulder + Arm

Question 1

Deltoid

Answer 1

O: Clavicle, Acromion, and Spine of Scap
I: Deltoid Tuberosity
Inn: Axillary N
A: Flex, medial rot, abd, extension, lateral rot

Question 2

Supraspinatus

Answer 2

O: Supraspinous Fossa
I: Greater Tubercle
Inn: Suprascapular Nerve
A: Initiates and assists in abd

Question 3

Infraspinatus

Answer 3

O: Infraspinous Fossa
I: Greater Tubercle
Inn: Suprascapular Nerve
A: Lat Rot

Question 4

Teres Minor

Answer 4

O: Lateral Border of Scapula
I: Greater Tubercle of Humerus
Inn: Axillary
A: Lat Rot

Question 5

Subscapularis

Answer 5

O: Subscapular Fossa
I: Lesser Tubercle
Inn: Upper and Lower Subscapular Nerves
A: Medial Rot arm and holds head of humerus in G.C.

Question 6

Teres Major

Answer 6

O:Inferior Angle
I: Intertubecular Sulcus
Inn: Subscapular Nerve
A: Add and Med Rot

Question 7

Biceps Brachii

Answer 7

O: SH - Coracoid / LH - Supraglenoid Tubercle
I: Radial Tuberosity
Inn: Musculocutaneous

Question 8

Coracobrachialis

Answer 8

O: Coracoid
I: Humerus
Inn: Mucsulocutaneous

Question 9

Brachialis

Answer 9

O: Distal Half of Humerus Anterior Side
I: Coronoid Process + Tuberosity of Ulna
Inn: Musculocutaneous + Radial

Question 10

Triceps Brachii

Answer 10

O: LH - Infraglenoid Tubercle/ Lat H - Post Humerus/ Med H - Post Humerus
I: Olecranon of Ulna
Inn: Radial

Question 11

Anconeus

Answer 11

O: Lateral Epi of Humerus
I: Lateral Olecranon + Superior Posterior Ulna
Inn: Radial
Action: Extension at Elbow