Chapt. 10 Muscular System Unit 4.


Muscles that serve as the primary promoters of a movement.


Muscle that has the major responsibility for a specific movement.

The muscle has two, three, or four origins, respectively.

The term biceps, triceps, or quadriceps forms part of a muscle's name and it tells you about the muscle.


A muscle group that works with and assists the action of a prime mover.

Weather the muscle is controlled by the involuntary or voluntary nervous system.

This is not used as a criterion for naming muscles.

Levator Labii Superioris

Muscle that is named for its action.

Circular Muscles

The muscles that are found at openings of the body.


Pull, they NEVER push

Raising you head up off your chest

The movement that demonstrates a first-class lever

First-Class Lever

A type of lever that is demonstrated by using scissors.

The Fascicles are short and attach obliquely to a central tendon that runs the length of a muscle.

This describes fascicle arrangement in a pennate muscle.

Iliopsoas; Lesser Trochanter

The iliacus and the psoas major muscles are collectively known as the ____ muscle because they share a common insertion on the ____ of the femur.

Anterior, Middle, and Posterior

The deltoid muscle fibers are separated into these.

Abduct the Arm

The middle fibers of the deltoid muscle does this this action.


The extensor carpi radialis brevis actions are located here.

Extend digits

The extensor digitorum longus muscle does this action.


This is when the external intercostals elevate the rib cage.

The latissimus dorsi

This inserts on the intertubercular groove of the humerus.

The Action of the latissimus dorsi muscle

adduct the arm


The muscle that divides the body into thoracic and abdomiopelvic cavities.

Triceps brachii

This is the main forearm extensor

Rectus; Straight

This is the correct matched.


This is the most important muscle used in inspiration (inhalation)


The muscle prevents cheek biting while chewing.

Biceps Femoris

This is a hamstring muscle.


This is where most of the muscles that move the hand is located.

Teres Major

This is NOT a rotator cuff muscle.

Quadriceps Femoris

This is the only muscle that acts as a knee extensor.

Over 600

The total number of skeletal muscles in the human body.

Extensor Carpi Radialis brevis

This muscle extends, abducts the wrist, and is short.

Frontal Belly of the Epicranius

The muscle that is involved in producing horizontal wrinkles in the forehead.

The Sartorius

The muscle is involved in crossing one leg over the other while in a sitting position.

The Coccygeus

This muscle does NOT compress the abdomen.

The Buccinator

The muscle that infants develop when nursing and also adults use this muscle for whistling.

Adductor Magnus

This muscle is a flexor of the thigh.

The Messeter

The muscle that is the main chewing muscle.

The Deltoid

Is NOT a prime mover of the arm that acts in adduction.

The Soleus

Is a synergist of the gastrocnemius during plantar flexion.

Muscles connecting to the Hyoid bone

Are very important for swallowing and speech.

Muscles of facial expression

Insert into skin or other muscles, NOT bones.