Muscular System 2024-2025

Front

What is the function of the external obliques?

Back

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

Front

What is the primary function of the gastrocnemius muscle?

Back

The gastrocnemius muscle primarily functions to flex the knee and plantarflex the foot at the ankle joint.

Front

What is the role of the deltoid muscle?

Back

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

Front

What muscles are included in the quadriceps group?

Back

The quadriceps group includes the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius.

Front

What is the function of the frontalis muscle?

Back

The frontalis muscle is responsible for raising the eyebrows and wrinkling the forehead.

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.

Front

What is muscle hypertrophy?

Back

Muscle hypertrophy is the increase in the size of muscle fibers, typically as a result of resistance training.

Front

What is the difference between voluntary and involuntary muscles?

Back

Voluntary muscles are under conscious control (e.g., skeletal muscles), while involuntary muscles operate without conscious control (e.g., smooth and cardiac muscles).

Front

What is the role of tendons in the muscular system?

Back

Tendons connect muscles to bones, allowing for the transfer of force and movement.

Front

What is the sliding filament theory?

Back

The sliding filament theory explains how muscles contract by the sliding of actin and myosin filaments over each other.