Question 4/10
Muscle-strengthening activities include:
The answer is All of the above
All these choices are good examples of muscle-strengthening activities to help build up your muscles. Muscle-strengthening activities for adults include doing push-ups and sit-ups, lifting weights, climbing stairs and riding a bike. Examples of muscle-strengthening activities for youth include doing push-ups and curl-ups and for kids could include climbing and swinging on playground equipment.