Deltoid Muscles

Question 1

Anterior Deltoid
(Origin)

Answer 1

Origin: Lateral 1/3 of Clavicle

Question 2

Anterior Deltoid
(Insertion)

Answer 2

Insertion: Deltoid Tuberosity on the Lateral side of the body of the Humerus

Question 3

Anterior Deltoid
(Action)

Answer 3

Action: Flexion, Medial Rotation

Question 4

Anterior Deltoid
(Innervation)

Answer 4

Innervation: Axillary Nerve

Question 5

Anterior Deltoid
(Blood Supply)

Answer 5

Blood Supply: Thoracoacromial Artery, Circumflex Humeral Arteries, Profunda Brachii Artery

Question 6

Middle Deltoid
(Origin)

Answer 6

Origin: Acromion

Question 7

Middle Deltoid
(Insertion)

Answer 7

Insertion: Deltoid Tuberosity

Question 8

Middle Deltoid
(Action)

Answer 8

Action: Abduction of the arm at shoulder joint

Question 9

Middle Deltoid
(Innervation)

Answer 9

Innervation: Axillary Nerve

Question 10

Middle Deltoid
(Blood Supply)

Answer 10

Blood Supply: Thoracoacromial Artery, Circumflex humeral arteries, profunda brachii artery

Question 11

Posterior Deltoid
(Origin)

Answer 11

Origin: Spine of Scapula

Question 12

Posterior Deltoid
(Insertion)

Answer 12

Insertion: Deltoid Tuberosity

Question 13

Posterior Deltoid
(Action)

Answer 13

Action: Extension, Lateral Rotation

Question 14

Posterior Deltoid
(Innervation)

Answer 14

Innervation: Axillary Nerve

Question 15

Posterior Deltoid
(Blood Supply)

Answer 15

Blood Supply: Thoracoacromial artery, circumflex humeral arteries, profunda brachii artery