Wk 3 1168 2.0

Question 1

Rotator cuff muscle insertion/origin

Answer 1

Subscapularis: anterior surf. scap
supraspinatus: supraspinous fossa
infraspinatus: infraspinatus fossa

common insertion: greater tubercle of humerus

teres minor:
origin; lateral border of scapula
insertion; crest of lesser tubercle

Question 2

origin and insertion of;
- pec major,
- lat dorsi
- anterior, middle, posterior deltoids

Answer 2

Pec major:
O; sternum/ clavicle
I; intertubecular groove

lat dorsi;
O; inferior angle of scapula
I: intertubecular groove

A.D:
O; lateral clavicle
M.D:
o; acromion proc.
S.D:
O: scapula spine

I; deltoid tuberosity

Question 3

Origin/ insertion of
teres major
coracobrachialis
biceps brachii
triceps brachii

Answer 3

T.M
O; inferior angle of scap
I: middle lip of intertubercular groove

C.B:
O; coracoid proc.
I: medial humerus

B.B;
O: coracoid proc.
I; radial tubersotiy

T.B
O: infraglenoid tubercle
I; olecranon proc.

Question 4

origin/ insertion of
Upper, middle lower trapezius
rhomboid major/minor
levator scapulae
pec minor

Answer 4

Trapezius origin: vertebrae
U.T; clavicle
M.T; acromion of scap.
L.T; scapula spin

rhomboid origin: spinous process
R.Major; medial border
r. minor: scapula spine

L.S:
O; 1-4 vertebrae
I: medial scapula

P.M:
O;3-5 rib
I: coracoid of spine

Question 5

Insertion and origin of
Biceps brachii
brachialias
pronator teres
supinator

Answer 5

B.B:
O; coracoid (short), supraglenoid (long)
I: radial tuberosity

B:
o; distal humerus
I; ulna tuberosity

P.T:
O; ulna head/ medial epicondyle
I: radius shaft

S:
o; lateral epicondyle
I; lat surf of distal radius

Question 6

insertion/ origin of
Pronator quadratus
triceps brachii
brachioradialis
anconeus

Answer 6

P.Q:
o: lateral ridge, ulna end
I: lateral surf of radius

T.B:
O; infraglenoid post humerus
I: olecranon process

B:
O; lat supracondylar ridge of humerus
I; styloid proc of radius

anconeous:
O; lat epicondyle of humerus
I; olecranon of ulna

Question 7

Insertion/ origin of brachialias

Answer 7

B:
o; distal humerus
I; ulna tuberosity

Question 8

Insertion/ origin of pronator teres

Answer 8

P.T:
O; ulna head/ medial epicondyle
I: radius shaft

Question 9

Insertion/ origin of supinator

Answer 9

S:
o; lateral epicondyle
I; lat surf of distal radius