Sternocleidomastoideus

Flexes and Rotates Head

Masseter

Opens the mandible (jaw)

Temporalis

Closes the mandible (jaw)

Trapezius

Extend Head, Adduct, Elevate or

Depress Scapula

Latissimus Dorsi

Extend, Adduct & Rotate Arm Medially

Deltoid

Abduct, Flex & Extend Arm

Pectoralis Major

Flexes, adducts & rotates arm medially

Biceps Brachii

Flexes Elbow Joint

Triceps Brachii

Extend Elbow Joint

Rectus Abdominus

Flexes Abdomen

External Oblique

Compress Abdomen

and twisting of the

torso.

External Intercostals

Elevate ribs

Internal Intercostals

Depress ribs

Diaphragm

Inspiration – expands the thoracic cavity

Gluteus Maximus

Extends & Rotates

Thigh Laterally

Rectus Femoris

The main muscle of

your quadriceps.

Flexes Thigh,

Extends Lower Leg

Gracilis (Groin muscle)

Adducts and Flexes Thigh

Sartorius

Another muscle of the

quadriceps.

Flexes Thigh, &

Rotates Thigh

Laterally

Biceps Femoris

One of the 3 muscles

that make up the

hamstring. It is the

largest of the three.

Extends Thigh &

Flexes Lower Leg

Gastrocnemius

Your calf muscle.

Extends the Foot &

Flex Lower Leg

Tibialis Anterior

Flexes the Foot