Supierior Limb 2

Question 0

Supraspinatus muscle

List origin, insertion, and structure and relationship

Answer 0

O: supraspinus fossa of scapula
I: greater tubercle of humerus
S/r: most superior to rotator cuff group

Question 1

What are the 6 movements of the shoulder joint?

Answer 1

Flexion
Extension
Abduction
Adduction 
Medial rotation
Lateral rotation

Question 2

Infraspinatus muscle

List origin, insertion, and structure and relationship

Answer 2

O: infraspinus fossa of scapula
I: greater tubercle of humerus
S/r: deep to deltoid

Question 3

Teres minor muscle

Origin, insertion, structure/relationship

Answer 3

O: lateral margin of scapula
I: greater tubercle of humerus
S/r: deep to deltoid

Question 4

Subscapularis muscle

Origin, insertion, structure/relationship

Answer 4

O: subscapular fossa of scapula
I: lesser tubercle of humerus
S/r: deep to scapula, superficial to serratus anterior

Question 5

What muscles are part of the rotator cuff group?

Answer 5

Supraspinatus
Infraspinatus
There’s minor
Subscapularis

Question 6

What muscles are part of the shoulder cap group?

Answer 6

Deltoid muscle

Question 7

Deltoid

O,I,s/r

Answer 7

O: lateral 1/3 of clavicle accromein process of scapula, spin of scapula
I: deltoid tuberosity
S/r: most superficial shoulder muscle
Traps and deltoid so share attachments

Question 8

What muscles are part of the intertubercular groove muscle

Answer 8

Pec major
Teres major
Latissimus dorsi

Question 9

Pectoralis major

Answer 9

O: medial 1/2 of clavicle , side of sternum
I: inter tubercular groove
S/r: anterior axillary wall, superficial chest muscle

Question 10

Teres major

Answer 10

O: inferior angle, lateral margin of scapula
I: intertubercular groove
S/r: posterior axillary wall muscle

Question 11

Latissimus dorsi

Answer 11

O: ilium of os coxa sacrum, thoracolumbar fascia
I: intertubecular groove
S/r: large superficial lower back muscle “climber muscle “