Soc 13

Question 1

abduction

Answer 1

movement that pulls away from the midline of the body

Question 2

adduction

Answer 2

movement that pulls towards the midline of the body

Question 3

plantar-flexion

Answer 3

extending or pointing the toes down, away from the shin

Question 4

dorsi-flexion

Answer 4

bending or flexing the toes up, closer to the shin

Question 5

rotation

Answer 5

movement around a single axis or pivot point

Question 6

circumduction

Answer 6

moving in a circular or conical shape

Question 7

extension

Answer 7

straightening movement that increases the angle between body parts

Question 8

flextion

Answer 8

bending movement that decreases the angle between body parts

Question 9

ball and socket joint

Answer 9

In a ball and socket joint, the rounded head of a long bone (the ball) fits
into a cup-shaped hole (the socket). Both the hip and the shoulder joints
are ball and socket joints.

Question 10

hinge joint

Answer 10

A hinge joint is a joint that allows only backward and forward motion - just like
the hinge on a door.

Question 11

pivot joint

Answer 11

Pivot joints allow bones to rotate. In a pivot joint, one bone shaped like a
cylinder rotates inside another bone or ligament that makes a ring round it.

Question 12

condyloid joint

Answer 12

A condyloid joint is similar to a ball and socket joint, but the ball rests against
the end of a bone, rather than inside a socket. This allows circular motion.