Muscle Identification flashcard B

Front

What is the function of the external obliques muscle?

Back

The external obliques are responsible for trunk rotation and lateral flexion, as well as assisting in forced expiration.

Front

Where is the gluteus medius located and what is its primary function?

Back

The gluteus medius is located on the outer surface of the pelvis and its primary function is to abduct the thigh and stabilize the pelvis during walking.

Front

What is the role of the sternocleidomastoid muscle?

Back

The sternocleidomastoid muscle is responsible for rotating and flexing the head and neck.

Front

What is the primary function of the orbicularis oris muscle?

Back

The orbicularis oris muscle controls movements of the mouth and lips, allowing for actions such as kissing and speaking.

Front

What is the significance of the serratus anterior muscle?

Back

The serratus anterior muscle is important for the protraction and stabilization of the scapula, allowing for proper shoulder movement.

Front

What are the main muscles involved in trunk rotation?

Back

The main muscles involved in trunk rotation include the external obliques, internal obliques, and rectus abdominis.

Front

How does the gluteus medius contribute to hip stability?

Back

The gluteus medius stabilizes the pelvis during single-leg stance and prevents excessive lateral tilt.

Front

What movements are facilitated by the sternocleidomastoid muscle?

Back

The sternocleidomastoid muscle facilitates head rotation, lateral flexion, and flexion of the neck.

Front

What are the facial expressions controlled by the orbicularis oris muscle?

Back

The orbicularis oris muscle controls facial expressions such as smiling, frowning, and puckering.

Front

What is the anatomical location of the serratus anterior muscle?

Back

The serratus anterior muscle is located on the lateral aspect of the thorax, originating from the upper ribs and inserting on the medial border of the scapula.