Standard 4

Origin: sternum and clavicle

Inserts: temporal bone-mastoid process

flexes the neck

• biceps brachii

• sternocleidomastoid

• pectoralis major

• deltoid

Origin: sternum, shoulder girdle, first six ribs

Inserts: proximal ends of humerus

adducts and flexes the arm

• pectoralis major

• deltoid

• rectus femoris

• masseter

Origin: bicep

inserts: radial tuberosity

prime mover for flexion of forearm

• pectoralis major

• rectus femoris

• biceps brachii

• tibialis anterior

Origin: shoulder girdle, spine of scapula, clavicle

Inserts: proximal humerus

prime movers of arm adduction

• biceps brachii

• tibialis anterior

• masseter

• deltoid

Origin: Pelvis

Insertion: Tibial tuberosity

Prime mover of arm and abduction

• masseter

• rectus femoris

• deltoid

• sternocleidomastoid

Origin: zygomatic process

Insertion: mandible

elevates the mandible to close the jaw

• masseter

• biceps brachii

• tibialis anterior

• pectoralis major

origin: proximal tibia

insertion: a long tendon

acts as a dorsiflex to invert foot

• pectoralis major

• triceps brachii

• rectus femoris

• tibialis anterior

Origin: Cranial opening

Insertion: Skin of eyebrows

allows you to raise your eyebrows

• platysma

• orbicularis oris

• frontalis

• temporalis

Origin: frontal and lacrimal bones

insertion: lateral palpebral raphe

wink

• internal obliques

• brachialis

• orbicularis oculi

• platysma

Origin: connective tissue covering the chest muscles

Insertion: area under the mouth

Pulls the corners of mouth inferiorly

• temporalis

• Platysma

• buccinator

• external obliques