Muscle Actions

rotates and retracts scapula, elevates & depresses scapula

• biceps brachii

• trapezius

• serratus anterior

• flexor carpi ulnaris

flexes arm at shoulder, adducts & medially rotates arm

• latissimus dorsi

• deltoid

• pectoralis major

• teres major

abducts arm, flexes arm at shoulder, extends arm at shoulder

• brachialis

• deltoid

• trapezius

• brachioradialis

extends forearm at elbow

• teres major

• trapezius

• flexor carpi radialis

• triceps brachii

extends arm at shoulder, adducts & medially rotates arm

• trapezius

• deltoid

• latissimus dorsi

• serratus anterior

Muscle responsible for raising the eye brows

• Temporalis

• Frontalis

• Zygomaticus

• Masseter

This muscle originates at the cheekbone and draws the corners of the mouth up when you smile

• Orbicularis Oris
• Zygomaticus
• Buccinator
• Masseter

You use this muscle to "wink"

• orbicularis oculi
• orbicularis oris
• epicranial aponeurosis
• temporalis

Which muscle rotates and flexes your head?

• masseter
• temporalis
• platysma
• sternocleidomastoid

Action of the quadriceps?

• extends leg at knee
• extends thigh at hip 
• flexes leg at knee
• flexes thigh at hip