Upper Body Muscles (Anterior & Posterior)

Raising eyebrows, scrunching forehead

Frontalis

Closing the eye, blinking

Orbicularis oculi

Elevates angle of mouth, smiling

Zygomaticus

Elevates mandible (closes mouth), chewing

Masseter

Pushing out lips to stick out, kissing action

Orbicularis Oris

Helps bend neck and turn, tilts head

Sternocleidomastoid

Raises the arm (abduction), raising your hand

Deltoid

Medially rotates, helps move shoulder

Pectoralis major

Flexion of the elbow, chin ups

Biceps brachii

Flexion of the elbow, hammer curls

Brachialis

Flexion of the forearm at the elbow, reverse curl

Brachioradialis

moving neck forward and back, nodding

Trapezius

Protract and rotate scapula, putting arm over head

Serratus anterior

Extending and compressing abdomen, twisting body

External oblique

compressinf abdomenal contents, crunches

Rectus abdominis

Elevates mandible, chewing

Temporalis

Retracts, crinkinling your forehead

Occipitalis

movement of humerus at shoulder joints (adduction), bringing arm down

Teres major

Rotates shoulder, arm circle

Teres minor

Extension of elbow, tricep pushdown

Triceps brachii

Aduction, turning door knob

Infraspinatus

Scapular retraction, dumb bell rows

Rhomboid

Internal rotation, adduction and extension of arm, pull ups

Latissimus dorsi