Answer:
Extension: Produced by the sartorius and quadriceps femoris group of muscles.
Flexion: Produced by the biceps femoris, semitendinosus, and semimembranosus muscles.
Explanation:
That is TRUE because when you get older your bones and muscles start to decrease so being physically active will make your bones and muscles stronger as they decrease.
Answer:
Ball and socket
Explanation:
The leg goes in this order:
Pelvis
Ball and socket
Femur
Knee joint
Tibia
Foot