Upper Limb Muslces Flashcards
1
Q
Pectoralis Minor
A
O: coracoid process
A: -protracts scapula
-downward rotates scapula
-elevates ribs
I: medial pectoral nerve
2
Q
Serratus Anterior
A
O: medial border of scapula
A: -protracts scapula
-upward rotates scapula
- elevates ribs (forced inspiration)
I: long thoracic nerve
3
Q
Trapezius
A
O: acromion process and spine
A: -elevates scapula
-retracts scapula
-upward rotates scapula
-depresses scapula
I: accessory nerve (CN 11)
4
Q
Levator Scapulae
A
O: medial border of scapula
A: -elevates scapula
-downward rotates scapula
I: dorsal scapular nerve
5
Q
Rhomboid major
Rhomboid minor
A
O: medial border of scapula
A: -elevates scapula
-retracts scapula
-downward rotates scapula
I: dorsal scapular nerve
6
Q
Rotator cuff muslces
A
Supraspinatus
Infraspinatus
Teres minor
Subscapularis
7
Q
Deltoid
A
O: deltoid tuberosity
A: -shoulder extension and flexion
-shoulder medial and lateral rotation
-shoulder abduction
I: axillary nerve
8
Q
Pectoralis Major
A
O: intertubercular sulcus
A: -shoulder extension and flexion
-shoulder medial rotation
-shoulder adduction
I: medial and lateral pectoral nerves
9
Q
Latissimus dorsi
A
O: intertubercular sulcus
A: -shoulder extension
-shoulder medial rotation
-shoulder adduction
I: thoracodorsal nerve
10
Q
Teres major
A
O: intertubercular sulcus, inferior angle
A: -shoulder extension
-shoulder medial rotation
-shoulder adduction
I: lower subscapularis nerve
11
Q
Supraspinatus
A
O: supraspinous fossa, greater tubercle
A: -shoulder abduction
I: suprascapular nerve
12
Q
Infraspinatus
A
O: infraspinous fossa, greater tubercle
A: -shoulder lateral rotation
I: suprascapular nerve
13
Q
Teres minor
A
O: greater tubercle
A: -shoulder lateral rotation
I: axillary nerve
14
Q
Subscapularis
A
O: subscapular fossa, lesser tubercle
A: -shoulder medial rotation
I: upper and lower subscapular nerves
15
Q
Biceps brachii
A
O: -supraglenoid tubercle (LH)
-coracoid process (SH)
A: -shoulder flexion
-supinates forearm
-elbow flexion
I: musculocutaneous nerve
