Want to give your child a head start on lifelong fitness? Consider children's sports and other kid-friendly physical activities. With your encouragement and support, chances are a few sports will spark your child's interest.
The lower-body muscles are primarily targeted on elliptical trainer, including the: 1  Buttocks (gluteus maximus) For greater the butt-firming effect, increase the incline. 2  Front of thighs (quadriceps) The elliptical trainer really works the quadriceps. 3  However, thankfully it isnât as noticeable as on the stationary bike.
The agonist is not always the muscle that is shortening (contracting concentrically). In a bicep curl the bicep is the agonist on the way up when it contracts concentrically, and on the way down when it contracts eccentrically. This is because it is the prime mover in both cases. 2.