Muscles of Shoulder Girdle

Question 1

Movements produced by all parts of trapezius muscle?

Answer 1

UF - scapula elevation, head rotation and extension

MF - scapula elevation, upward rotation and adduction

LF - scapula depression, upward rotation and adduction

Question 2

Levator scapulae origin and insertion?

Answer 2

O - cervical vertebrae

I - medial border of scapula above the spine

Question 3

Rhomboid origin and insertions?

Answer 3

O - the spinous processes of the 7th cervical and first 5th thoracic vertebrae
I - medial border of scapula below spine

Question 4

Movements produced by rhomboids?

Answer 4

Adduction of scapula, downward rotation and slight elevation

Question 5

Origin and insertion of serratus anterior

Answer 5

O - upper 9 ribs

I - anterior aspect of medial border of the scapula

Question 6

Movements of serratus anterior

Answer 6

Slight upward rotation and abduction

Question 7

Pectoralis minor origin and insertion?

Answer 7

O - anterior surface of 3rd - 5th ribs

I - coracoid process of scapula

Question 8

Movements of pec minor?

Answer 8

Depression abduction and downward rotation

Question 9

Trapezius origin and insertion?

Answer 9

O - base of skull and the vertebrae

I - posteriolateral clavicle and scapula spine