Muscle Anatomy

Muscles of Head and Neck

100

This muscle raises the eyebrows and wrinkles the forehead

Frontalis

200

This muscle has a primary function of chewing. It also aids the jaw in elevation.

Masseter

300

This muscle purses lips and creates a kissing motion.

Orbicularis Oris

400

This muscle surrounds your eyes. 

orbicularis occuli

500

This muscle attaches to the sternum, clavicle, and jaw. 

Sternocleidomastoid

Muscles of the Upper Extremities (Arms)

100

This muscle adducts, flexes, extends, and rotates the arm the arm. It is located over your shoulder. 

Deltoid

200

Extends the forearm. Is an antagonist to the bicep. 

Triceps brachii

300

Flexes the arm. Attaches at the humerus and the radius. 

Biceps brachii

400

This muscle extends and adducts the arm as well as pulls to shoulder blades together. It is a large muscle located on the posterior side of the body. 

Latissimus Dorsi

500

These 2 muscles help to flex the forearm. They work in synergy with the biceps brachii. One of them attaches at the humerus and radius. The other attaches at the humerus and ulna. 

Brachioradialis, Brachialis

Muscles of the trunk

100

Adducts the arm. Pulls the shoulders to the midline. Attaches at the humeral head and sternum. 

Pectoralis Major

200

This is the flat tendon that helps to attach the abdominal muscles 

aponeurosis

300

This muscle is a triangle/trapezoid shape located on the posterior portion of the body. 

Trapezius

400

this is the muscle that makes a "6 pack" 

rectus abdominus 

500

Abdominal muscles on the lateral portion of the body that support posture and spinal support. 

External obliques

Muscles of the Legs

100

This muscle points the toe upwards (dorsiflextion) It is the muscle affected with "shin splints"

Tibialis Anterior

200

This muscle is responsible for the extension and lateral rotation of leg. It is the large muscle attached at the back of the hips and the femur. 

Gluteus maximus

300

This muscle is located on the anterior portion of the femur. It is the middle muscle that helps to make up your "quads"

rectus femoris 

400

This muscle is responsible for the plantar flexion of the feet and the flexion of the leg at the knee. It is located on the back of your lower leg.

Gastrocnemuis

500

Name the main muscles in the hamstring group

Biceps Femoris, Semimembranosus, Semitendinosus

Misc/Evil

100

To smile, the __________ muscle is contracted

Zygomaticus

200

Which protein in a sarcomere contains a pivoting head that aids in the muscles powerstroke.

myosin

300

Which line of a sarcomere marks the begging and end of 1 sarcomere?

Z disc

400

What is the contracting unit of a myofibril called?

sarcomere

500

Name the 4 muscles included in the "quads"

rectus femoris, vastus lateralis, vastuc medialis, vastus intermedius