Muscular System Review JJT

Front

Muscles that you DO NOT consciously control are known as:

Back

Involuntary muscles are those that are not under conscious control, such as the heart and digestive muscles.

Front

The triceps brachii functions to extend the arm at the elbow. What is the point of origin of the triceps brachii?

Back

The origin of the triceps brachii is the scapula.

Front

The muscular system does all of the following EXCEPT:

Back

The muscular system does not carry messages to the brain; that function is performed by the nervous system.

Front

Name the muscle shown in red: Sternocleidomastoid, Deltoid, Flexor carpal group, Pectoralis major.

Back

The muscle shown in red is the Sternocleidomastoid.

Front

What muscle is highlighted in the picture? Rectus abdominis, External oblique, Trapezius, Sartorius.

Back

The highlighted muscle is the External oblique.

Front

What is the primary function of the muscular system?

Back

The primary function of the muscular system is to facilitate movement of the body.

Front

What type of muscle is responsible for voluntary movements?

Back

Skeletal muscle is responsible for voluntary movements.

Front

What is the role of smooth muscles in the body?

Back

Smooth muscles control involuntary movements in organs such as the intestines and blood vessels.

Front

What is the difference between fast twitch and slow twitch muscle fibers?

Back

Fast twitch fibers are designed for quick bursts of power and fatigue quickly, while slow twitch fibers are more endurance-oriented and resist fatigue.

Front

What is the function of the biceps brachii?

Back

The biceps brachii primarily functions to flex the elbow and rotate the forearm.