Muscle Actions

Which action turns the foot medially?

• Inversion

• Eversion

• Dorsiflexion

• Plantar flexion

Which action turns the foot laterally?

• Inversion

• Eversion

• Dorsiflexion

• Plantar flexion

Which action moves the superior part of the foot towards the shin?

• Inversion

• Eversion

• Dorsiflexion

• Plantar flexion

Which action points the toes away from the shin?

• Inversion

• Eversion

• Dorsiflexion

• Plantar flexion

Which action bends a joint, or decreases the angle between bones?

• Circumduction

• Rotation

• Extension

• Flexion

The triceps brachii straightens the forearm to increase the angle between the humerus and ulna. This is an example of

• Circumduction

• Rotation

• Extension

• Flexion

Which action is commonly done by the shoulder or hip joint, in which the proximal end of the limb is stationary and the distal end moves in a circle?

• Circumduction

• Rotation

• Extension

• Flexion

Which action moves a bone around its longitudinal axis, such as the radius moving around the ulna during supination or pronation?

• Circumduction

• Rotation

• Extension

• Flexion

Which action rotates the forearm laterally so that the palm faces anteriorly?

• Supination

• Pronation

• Adduction

• Abduction

Which action rotates the forearm medially so that the palm faces posteriorly?

• Supination

• Pronation

• Adduction

• Abduction