Movements of Skeletal Muscles Practice

Front

Increases the angle between bones at a joint

Back

Extension is the movement that increases the angle between two body parts, typically at a joint.

Front

What is the normal cause of death for someone with Duchenne muscular dystrophy?

Back

Respiratory failure or cardiac complications are common causes of death in individuals with Duchenne muscular dystrophy due to muscle degeneration affecting respiratory and cardiac muscles.

Front

Moving toes back towards you (pushing heel into the ground) is called

Back

Dorsiflexion is the movement of bringing the toes closer to the shin, effectively pushing the heel into the ground.

Front

The _____ of a skeletal muscle is the more moveable end

Back

Insertion refers to the attachment point of a muscle that is more movable during contraction.

Front

The muscles that oppose an action.

Back

Antagonist muscles are those that oppose the action of another muscle, providing balance and control.

Front

What is the term for decreasing the angle between bones at a joint?

Back

Flexion is the movement that decreases the angle between two body parts, typically at a joint.

Front

What is the role of agonist muscles?

Back

Agonist muscles, also known as prime movers, are the primary muscles responsible for producing a specific movement.

Front

What is plantarflexion?

Back

Plantarflexion is the movement that points the toes downward, away from the shin, such as when standing on tiptoes.

Front

What is the difference between abduction and adduction?

Back

Abduction is the movement away from the midline of the body, while adduction is the movement toward the midline.

Front

What is the origin of a muscle?

Back

The origin of a muscle is the fixed attachment point that does not move during contraction.