⭐️💆‍♀️Deltiod

Question 1

Origin

Answer 1

Lateral 1/3 of clavicle (anterior fibres)
Acromion neck (lateral fibres)
Spine of scapula (posterior fibres)

Question 2

Insertion

Answer 2

Deltoid tuberosity of humerus

Question 3

Functions

Answer 3

MAIN: abduction of arm at shoulder joint (ANT fibres)
Flexion (POST fibres)
Extension (Entire muscle)
Medial rotation (ANT fibres)
Lateral rotation (POST fibres)
Horizontal ADD (ANT fibres)
Horizontal ABD (POST fibres)

Question 4

Nerve

Answer 4

Axillary nerve