Unit 4

Move in all planes. Shoulder and hip joints are a good example.

• saddle joint

• condyloid joint

• ball and socket

• extension joint

back and forth motion, side to side. Thumb is good example

• ball and socket

• saddle joint

• condyloid

• plane

variety of movements, no rotation. knuckles is a good example

• condyloid joint

• plane

• ball and socket

• saddle

cartilage that provides a smooth surface to the bones of a synovial joint

• ligament

• tendon

• articular

• synovial

abduction

• movement towards the body

• movement away from body

adduction

• movement toward the body

• movement away from the body

extension

• straightening limbs at a joint increasing the angle between the bones at a joint

• bending the limbs at a joint that decreases the angle between the bones

flexion

• bending limbs at a joint decreasing angle

• bending limbs at a joint increasing angle

• movement around a fixed point

rotation

• decreases angle between joint

• increases angle between joint

• movement around a fixed point

tendon

• holds muscle to muscle

• holds bone to bone

• holds muscle to bone