11 fitness Challenge logo ideas

The wall sit is easy to do anywhere and strengthens all the leg muscles. Try this 30 day challenge to tone up your thighs | see the post for free workout printable #wallsit #thighexercises #30daychallenge #fitnessprintable The wall sit works all the leg muscles, especially the front of the thighs. This 30 day challenge gets a bit harder each to to gradually improve strength.