Muscles and Body Movements

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Questions and Answers

Which of the following is true about muscle movement?

  • Muscle movement is achieved by muscles moving attached bones (correct)
  • Muscle movement is achieved by ligaments moving attached bones
  • Muscle movement is achieved by bones moving attached muscles
  • Muscle movement is achieved by tendons moving attached muscles

What is the origin of a muscle?

  • Attachment to an immoveable bone (correct)
  • Attachment to a movable bone
  • Attachment to a ligament
  • Attachment to a tendon

What is flexion?

  • Straightens the elbow or knee
  • Brings two bones farther apart
  • Decreases the angle of the joint (correct)
  • Increases the angle of the joint

Which type of movement involves the bone rotating around its longitudinal axis?

<p>Rotation (C)</p> Signup and view all the answers

Which type of movement involves moving a limb away from the midline?

<p>Abduction (B)</p> Signup and view all the answers

Which type of movement involves moving a limb toward the midline?

<p>Adduction (A)</p> Signup and view all the answers

Which type of movement involves a combination of flexion, extension, abduction, and adduction?

<p>Circumduction (D)</p> Signup and view all the answers

What is the movement called when the foot is lifted towards the shin?

<p>Dorsiflexion (ex tibialis anterior) (C)</p> Signup and view all the answers

What is the movement called when the foot is pointed downwards?

<p>Plantar flexion (D)</p> Signup and view all the answers

Which movement involves turning the sole of the foot medially?

<p>Inversion (D)</p> Signup and view all the answers

Which movement involves turning the sole of the foot laterally?

<p>Eversion (B)</p> Signup and view all the answers

Which movement involves the forearm rotating laterally so the palm faces anteriorly?

<p>Supination (B)</p> Signup and view all the answers

Which movement involves the forearm rotating medially so the palm faces posteriorly?

<p>Pronation (B)</p> Signup and view all the answers

Which one of these is true about supination?

<p>The radius and ulna are parallel (B)</p> Signup and view all the answers

Which type of muscle aids a prime mover in a movement and helps prevent rotation?

<p>synergist (A)</p> Signup and view all the answers

What is the muscle with the major responsibility for a certain movement called?

<p>Prime mover (A)</p> Signup and view all the answers

Which type of muscle opposes or reverses a prime mover?

<p>Antagonist (D)</p> Signup and view all the answers

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