Week One OIA Upper E

Question 1

Origin of Deltoid

Answer 1

lateral of the clavicle, acromian process, and spine (LAPS)

Question 2

Insertion of Deltoid

Answer 2

deltoid tuberosity of humerus

Question 3

Action of deltoid

Answer 3

abduction, anterior flexion, medial and lateral rotation and horizontal abduction and adduction, extension

Abduction, and Horizontal abd and adduction, flextion, lateral rotation, extension

Question 4

Origin of latissimus

Answer 4

Spinous process of T7-T12, posterior iliac crest, 3-4 ribs, Inferior angle of scapula, and thoracolumbar aponeurosis

7-12 spines, 3-4 ribs, a posterior iliac crest with a floor of tubercular humerus.

Question 5

Insertion for latissimus

Answer 5

intertubercular groove of humerus

Insertion - inter

Question 6

Action of latissimus

Answer 6

shoulder extension and adduction and medially rotation (internal)

Add extension and medially rotation

Question 7

Origin of trapezius

Answer 7

Occipital protuberance, C7-T12 spinous process, superior nuchal line

1-12 spines with an occipital bone

Question 8

Insertion of trapezius

Answer 8

spine of scapula acromion process, lateral 1/3 of clavicle

Spine leads to the acromion process

Question 9

Action of trapezius

Answer 9

extension, lateral flexion, rotate to opposite, elevate, up rotation and scapula adduction/depression/stabilization

Adds depression to the scapula, Lateral flextion to elevate up rotation

Question 10

Origin of teres major

Answer 10

inferior angle of scapula, lower 1/3 lateral boarder of scapula.

Major = inferior and lateral

Question 11

Insertion of teres major

Answer 11

crest of lesser tubercle

Major = lesser and medial

Question 12

Action of teres major

Answer 12

shoulder extension, adduction and medially rotation

Add E to MR