Shoulder Joint (Glenohumeral) Palpations

Question 1

Deltoid - Anterior

Answer 1

Origin - Anterior, lateral 1/3 clavicle
Insertion - deltoid tuberosity
Actions - Flex, IR

Question 2

Deltoid - Middle

Answer 2

Origin - lateral aspect of acromion
Insertion -deltoid tuberosity
Actions - ABD, beyond 15 degrees

Question 3

Deltoid - Posterior

Answer 3

Origin - Inferior edge of spine of scapula
Insertion - deltoid tuberosity
Action - Extension, ER

Question 4

Latissimus Dorsi

Answer 4

Origin - inf. angle of scapula, spinous process of T6-12, last 4 ribs, thoracolumbar aponeurosi and posterior iliac crest
Insertion - intertubercular groove of humerus
Action - Ext, ADD, IR

Question 5

Teres Major

Answer 5

Origin - inferior angle, lower 1/3 later border of scapula
Insertion - crest of lesser tubercle/intertubercular groove of humerus
Action - Ext. ADD, IR

Question 6

Supraspinatus

Answer 6

Origin - supraspinatus fossa
Insertion - greater tubercle of humerus
Action - 15 degrees ABD; stab.

Question 7

Infraspinatus

Answer 7

Origin - infraspinatus fossa
Insertion - greater tubercle
Action - ER; stab.

Question 8

Teres Minor

Answer 8

Origin - upper 2/3 lateral border of scapula
Insertion - greater tubercle of humerus
Action - ER @ ABD; stab.

Question 9

Subscapularis

Answer 9

Action - IR; stab.

Question 10

Pec Minor

Answer 10

Origin - anterior surface ribs 3-5
Insertion - coracoid process
Action - Protraction, depression

Question 10

Pec Major

Answer 10

Origin - medial half of clavicle, sternum, cartilage (1-6 ribs)
Insertion - crest of greater tubercle
Action - ADD, IR, Flex

Question 11

Coracobrachialis

Answer 11

Origin - coracoid process of the scapula
Insertion - medial surface of mid humeral shaft
Action - Flex, IR, ADD

Question 12

Serratus Anterior

Answer 12

Origin - surface of upper 9 lateral ribs
Insertion - anterior/medial border scapula
Action - protraction of scapula (boxers)

Question 13

Trapezius Upper Fibers

Answer 13

Origin - base of skull, occipital protuberance
Insertion - posterior and lateral 1/3 of clavicle
Action - Head extension/CL rotiation; Elevation of scapula and upward rotation

Question 14

Trapezius Middle Fibers

Answer 14

Origin - Spinous process of C7 and T1-3 vert
Insertion - medial acromion process and superior border of scapular spine
Action - retraction scapula

Question 15

Trapezius Lower Fibers

Answer 15

Origin - T4-12 spinous process
Insertion - triangular space at base of scapular spine
Action - depression + retraction of scapula

Question 16

Rhomboid Major/Minor

Answer 16

Origin - spinous process of C7-T5
Insertion - whole length of medial border of scapula
Action - retract scapula, downward rotation of scapula

Question 17

Levator Scapula

Answer 17

Origin - C1-4 transverse process
Insertion - medial border of scapula , between superior angle + spine of scapula
Action - elevate scapula (medial)