Fall Semester Anatomy Review

Front

What is the Gastrocnemius muscle?

Back

The Gastrocnemius is a major calf muscle that helps in plantar flexion of the foot and flexion of the knee.

Front

What is the function of the trapezius muscle?

Back

The trapezius muscle helps to elevate the shoulders and is involved in movements of the neck and upper back.

Front

Which muscle is responsible for smiling?

Back

The Zygomaticus muscle is responsible for elevating the corners of the mouth, allowing for smiling.

Front

What is the Gracilis muscle?

Back

The Gracilis is a long, thin muscle located in the inner thigh that helps in hip adduction and knee flexion.

Front

What is the role of the masseter muscle?

Back

The masseter muscle is a primary muscle used for chewing, responsible for elevating the mandible.

Front

Identify the primary function of the deltoid muscle.

Back

The deltoid muscle is responsible for shoulder abduction, flexion, and extension.

Front

What is the function of the sternocleidomastoid muscle?

Back

The sternocleidomastoid muscle helps in rotating and flexing the neck.

Front

Describe the role of the biceps brachii muscle.

Back

The biceps brachii muscle is involved in flexing the elbow and supinating the forearm.

Front

What is the primary action of the platysma muscle?

Back

The platysma muscle helps in depressing the mandible and tensing the skin of the neck.

Front

What is the function of the orbicularis oris muscle?

Back

The orbicularis oris muscle encircles the mouth and is responsible for movements such as puckering and closing the lips.