Contracts - The muscle squeezes , Relaxes - The muscle straightens , Joint - Where two or more bones touch each other, Quadriceps - Muscles in the front of our upper legs, Hamstrings - Muscles in the back of our upper legs ,

Leaderboard

Estilo ng visual

Mga pagpipilian

Magpalit ng template

Ibalik ng awtomatikong pag-save: ?