Muscles of the Upper Limb

Flashcards covering the muscles of the shoulder, upper arm, and forearm for ZOOL 2403 laboratory review.

The muscle responsible for abducting the arm is __.

Supraspinatus

The __ is located in the posterior compartment of the upper arm.

Triceps brachii

The __ muscle is known for its flexing action at the elbow and shoulder joints.

Biceps brachii

The muscle that aids in the supination of the forearm is __.

Supinator

The __ is a muscle found in the anterior compartment of the forearm.

Pronator teres

The shoulder muscle that is responsible for internal rotation is __.

Subscapularis

The __ muscle helps extend the wrist and fingers.

Extensor digitorum muscles

The __ is found in the dorsal aspect of the forearm.

Brachioradialis

In the upper arm, the __ works with the biceps to flex the forearm.

Brachialis

The muscle located above the spine of the scapula is the __.

Infraspinatus

The __ is responsible for the flexion and adduction of the arm.

Coracobrachialis

The __ muscle is known as the 'deltoid group' and aids in arm movement.

Deltoid

The __ muscle assists with shoulder elevation.

Levator scapulae

The __ muscles are crucial for controlling the wrist flexion.

Flexor carpi muscles

The __ muscle is found in the posterior compartment and aids in extension.

Extensor carpi muscles

The __ muscle flexes the fingers and connects to tendons for digit movement.

Flexor digitorum muscles

The __ is one of the muscles identified by its tendon attachments in the lab.

Palmaris longus

Identify the group of muscles that facilitate shoulder adduction is known as __.

Teres major

The muscle that is responsible for external rotation of the arm is the __.

Teres minor

The __ muscles are responsible for the flexion of the thumb.

Flexor pollicis muscles

The __ muscles are responsible for the extension of the thumb.

Extensor pollicis muscles