Anatomy Midterm Review

Front

What is the primary function of the deltoid muscle?

Back

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

Front

What type of joint is a hinge joint?

Back

A hinge joint allows movement in one plane, similar to the opening and closing of a door, allowing flexion and extension.

Front

What is the sternum and where is it located?

Back

The sternum, or breastbone, is a flat bone located in the center of the chest, connecting the ribs.

Front

What are the primary functions of the abdominal muscles?

Back

The abdominal muscles support the trunk, allow movement, and protect internal organs.

Front

What is a ball and socket joint?

Back

A ball and socket joint allows for rotational movement in multiple directions, such as the shoulder and hip joints.

Front

Name the major muscles involved in arm movement.

Back

The major muscles include the biceps, triceps, and deltoids.

Front

What is the role of the quadriceps muscle group?

Back

The quadriceps are responsible for extending the knee and are crucial for walking, running, and jumping.

Front

What is the difference between a fixed joint and a movable joint?

Back

A fixed joint does not allow any movement (e.g., skull sutures), while a movable joint allows for varying degrees of movement.

Front

What is the function of the pectoralis major muscle?

Back

The pectoralis major muscle is responsible for the movement of the shoulder joint, including flexion, adduction, and rotation.

Front

What is the anatomical position?

Back

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