Anatomy in Clay Worksheet

Goal Use the following slides to create the muscles of the trunk and limbs. The slides start at the deepest layer and move to superficial. Fill in the origin and insertion as you create your model.

Transversus AbdominisAction: compresses abdomen

Internal ObliqueAction: compresses abdomen

Posterior View Anterior View

Rectus AbdominisAction: Flexes waist

External ObliqueAction: Compresses abdomen

Pectoralis MinorDepresses scapula

Muscles of the arm

BrachialisAction: Flexes forearm

BrachioradialisAction: flexes, pronates arm

Flexor carpi radialis and Flexor carpi ulnarisAction: Flexes, abducts wrist

Palmaris LongusAction: flexes wrist

Extensor Carpi Ulnaris (posterior arm) Action: extends, abducts wrist

Biceps brachiiAction: Flexes, supinates forearm

Triceps BrachiiAction: Extends forearm

Pectoralis MajorComplete this after doing the muscles

Of the arm.

Action: Adducts, flexes arm

Muscles of the Back

Teres MajorAction: Extends, adducts, rotates arm

Levator ScapulaeAction: Elevates scapula

Erector Spinae

Action: holds body upright

Three components of erector spinae

Serratus Anterior

Action: protracts scapula

Latissimus DorsiAction: Extends arm

TrapeziusAction: extends head, neck, rotate scapula

DeltoidAction: abducts arm