Muscular System

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, maintain posture, and produce heat.

Front

What are the three types of muscle tissue?

Back

The three types of muscle tissue are skeletal muscle, cardiac muscle, and smooth muscle.

Front

What is the role of the gastrocnemius muscle?

Back

The gastrocnemius muscle is primarily responsible for plantar flexion of the foot.

Front

What are slow-twitch muscle fibers known for?

Back

Slow-twitch muscle fibers are known for their slow contraction speed and high resistance to fatigue.

Front

What is oxygen debt in muscles?

Back

Oxygen debt occurs when the respiratory and circulatory systems cannot supply enough oxygen to skeletal muscles during strenuous activity.

Front

Which muscle is not part of the hamstring group?

Back

The rectus femoris is not part of the hamstring group.

Front

What is the insertion point of muscles that move the arm at the shoulder joint?

Back

The insertion point of these muscles is on the humerus.

Front

What is the function of myoglobin in muscle cells?

Back

Myoglobin stores oxygen in muscle cells, aiding in aerobic respiration.

Front

What is the difference between isotonic and isometric contractions?

Back

Isotonic contractions involve muscle shortening and movement, while isometric contractions involve muscle tension without movement.

Front

What is the role of the tibialis anterior muscle?

Back

The tibialis anterior muscle is responsible for dorsiflexion of the foot.