Exam 2: Muscles of the Upper Limb Flashcards
1
Q
Trapezius
A
-elevates and retracts scapula
2
Q
Rhomboids (major, minor)
A
-elevate and retract scapula
3
Q
Levator Scapulae
A
-elevates scapula
4
Q
Pectoralis Minor
A
-protracts and depresses scapula
5
Q
Serratus Anterior
A
-protracts and depresses scapula
6
Q
Pectoralis Major
A
- flexes and adducts arm/humerus at glenohumeral joint/arm
- originates on axial skeleton
7
Q
Latissimus Dorsi
A
- extends and adducts arm at glenohumeral joint/arm
- originates on axial skeleton
8
Q
Deltoid
A
- abducts, flexes and extends arm
- originates on scapula
9
Q
Coracobrachialis
A
-flexes and adducts arm
10
Q
Teres Major
A
-extends and adducts arm
11
Q
Rotator Cuff Muscles
A
-provide main support for glenohumeral joint
12
Q
Subscapularis
A
- medially rotates arm
- rotator cuff muscle
- wind up for pitch
13
Q
Supraspinatus
A
- abducts arm
- rotator cuff muscle
- execute pitch
14
Q
Infraspinatus
A
- laterally rotates arm
- rotator cuff muscle
- execute pitch
15
Q
Teres Minor
A
- laterally rotates arm, extend arm/shoulder joint
- rotator cuff muscle
- finsih pitch, slow down pitching arm
16
Q
Anterior Arm Muscles
A
- flexors of forearm/elbow joint
- biceps brachii
- brachialis
- brachioradialis