Skeletal System(Joints and Body Movements)

Question 1

Pivot Joint(Uniaxial joint)

Answer 1

Cylindrical surface of one bone articulates with ring of bone and ligament

• rotation around central axis
  ex. atlas, axis, proximal articulation of radius and ulna

Question 2

Hinge Joint(Uniaxial joint)

Answer 2

urface of one bone articulates with concave surface of another

• flexion and extension
  ex. elbow, phalanges

Question 3

Saddle Joint(biaxial joint)

Answer 3

ylindrical surface of one bone articulates with ring of bone and ligament

• rotation around central axis
  ex. atlas, axis, proximal articulation of radius and ulna

Question 4

Plane Joint(multiaxial joint)

Answer 4

articulating surfaces flat or slightly curved

• sliding or twisting
  ex. wrist and ankle bones, sternum to clavicle

Question 5

Condyloid Joint(biaxial joint)

Answer 5

ylindrical surface of one bone articulates with ring of bone and ligament

• rotation around central axis
  ex. atlas, axis, proximal articulation of radius and ulna

Question 6

Ball and Socket Joints(multiaxial joint)

Answer 6

ball-shapped head of one bone articulates with cup-shaped cavity of another

• all planes and rotation
• hip and shoulder

Question 7

Flexion

Answer 7

decrease in the angle between the surfaces of articulating bones, bending the elbow or knee

Question 8

Extension

Answer 8

increase in the angle between the surfaces of articulating bones, returns the body to anatomical position

Question 9

Abduction

Answer 9

movement of bone away from the midline of the body, arm move away from body to straight out exception fingers and toes

Question 10

Adduction

Answer 10

movement of bone away from the midline of the body, arm move away from body to straight out exception fingers and toes

Question 11

Circumduction

Answer 11

movement where distal end of a bone moves in a circle while proximal end remains stable

Question 12

Rotation

Answer 12

the movement of a bone around its own axis

Question 13

Supination

Answer 13

movement of the forearm in which the palm of the hand moves anterior

Question 14

Pronation

Answer 14

movement of forearm in which palm moves posterior or inferior

Question 15

Dorsiflexion

Answer 15

movement of the sole outward or laterally

Question 16

Plantar Flexion

Answer 16

bending of the ankle, toes downward

Question 17

Inversion

Answer 17

movement of the forearm in which the palm of the hand moves anterior

Question 18

Eversion

Answer 18

movement of the sole outward or laterally

Question 19

Protraction

Answer 19

Is to move forward

Question 20

Retraction

Answer 20

Is to move backward

Question 21

Depression

Answer 21

downward movement of a body part

Question 22

Elevation

Answer 22

movement of a body part upward

Question 23

Opposition

Answer 23

Movement of the thumb across the palm of the hand

Question 24

Reposition

Answer 24

To return in a normal position