Mr. Little - A&P Chap 6 Flashcard 2

Front

What is the sartorius muscle?

Back

The sartorius is a long, thin muscle that runs down the length of the thigh. It is responsible for flexing, abducting, and laterally rotating the hip joint.

Front

What is the function of the latissimus dorsi muscle?

Back

The latissimus dorsi is a large muscle of the back that helps in the extension, adduction, and internal rotation of the shoulder joint.

Front

What is the peroneus longus muscle?

Back

The peroneus longus is a muscle located on the lateral side of the leg. It helps in plantarflexion and eversion of the foot.

Front

What is the role of the gluteus medius muscle?

Back

The gluteus medius is located on the outer surface of the pelvis and is primarily responsible for the abduction of the hip and stabilization of the pelvis during walking.

Front

What is the biceps femoris muscle?

Back

The biceps femoris is one of the hamstring muscles located at the back of the thigh. It is involved in knee flexion and hip extension.

Front

What are the primary functions of skeletal muscles?

Back

Skeletal muscles are responsible for voluntary movements, maintaining posture, and generating heat through muscle contractions.

Front

What is the difference between flexors and extensors?

Back

Flexors are muscles that decrease the angle between body parts (e.g., bending the elbow), while extensors increase the angle (e.g., straightening the elbow).

Front

What is the significance of muscle origin and insertion?

Back

The origin is the fixed attachment point of a muscle, while the insertion is the movable attachment. Understanding these points helps in analyzing muscle actions.

Front

What is the role of the hamstring group?

Back

The hamstring group, located at the back of the thigh, is responsible for knee flexion and hip extension.

Front

What is the anatomical position?

Back

The anatomical position is a standard position of the body used as a reference point in anatomy, where the body stands upright, facing forward, with arms at the sides and palms facing forward.