Reach both hands behind your back and try to clasp them together.Reach one hand over your shoulder and the other from below, and try to hook your fingers together in the middle of your back.I used to ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. What makes the cells of the muscles contract? – ...

A certified strength coach shares 4 chair exercises to build muscle tone and strength after 60, no weights required.

Chair exercises for muscle mass after 65 need only a sturdy chair and dumbbells. A certified trainer shares 6 moves.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...