Origin/Insertion of Muscles

Question 1

Origin/Insertion of masseter

Answer 1

Origin: Zygomatic arch
Insertion: Angle and ramus of mandible

Question 2

Origin/Insertion of temporalis

Answer 2

Origin: Temporal fossa
Insertion: Coronoid process and ramus of mandible

Question 3

Origin/Insertion of biceps brachii

Answer 3

Origin: coracoid process; tendon of long head runs in inter tubercular groove and within capsule of shoulder joint
Insertion: Radial tuberosity

Question 4

Origin/Insertion of triceps brachii

Answer 4

Origin: Long head: inferior margin of glenoid cavity; lateral head: posterior humerus; medial head: distal radial groove on posterior humerus

Insertion: Olecranon process of ulna