Understanding Skeletal Muscle Movements

Which of the following statements is true about skeletal muscles?

• Skeletal muscles can push and pull.

• Skeletal muscles can only pull; they never push.

• Skeletal muscles can only push; they never pull.

• Skeletal muscles neither push nor pull.

What is the term for the attachment of a muscle to a movable bone?

• Origin

• Insertion

• Flexion

• Extension

During muscle contraction, which direction does the insertion move?

• Away from the origin

• Toward the origin

• Perpendicular to the origin

• Parallel to the origin

Which type of movement decreases the angle of a joint?

• Extension

• Flexion

• Rotation

• Circumduction

Identify the movement that involves turning the sole of the foot medially.

• Eversion

• Inversion

• Supination

• Pronation

Which movement is characterized by the forearm rotating laterally so the palm faces anteriorly?

• Pronation

• Supination

• Opposition

• Circumduction

What is the term for the movement of a limb away from the midline of the body?

• Adduction

• Abduction

• Flexion

• Extension

Which of the following movements is a combination of flexion, extension, abduction, and adduction?

• Rotation

• Circumduction

• Hyperextension

• Dorsiflexion

Explain why skeletal muscles are unable to push.

• They lack the necessary structure.

• They are only designed to contract and pull.

• They are attached to immovable bones.

• They are too weak to push.

Which movement involves lifting the foot so that the superior surface approaches the shin?

• Plantar flexion

• Dorsiflexion

• Inversion

• Eversion