Lay on mat with legs flat on ground and arms outstretched overhead near ground, lift both legs together and both arms simultaneously, touch toes and then return arms and legs back down to ground. This is one rep.

Get into high plank (push up) position, then bring one leg in towards chest, bending knee and with foot on ground; this is your start position. Simultaneously jump the bent forward leg back and the back leg forward alternating and jumping legs back and forth while keeping torso of body as straight as possible while performing these movements. Each time a leg jumps forward counts as one rep.

From standing, bring legs up with knees bent one at a time as high as you can. You can put hands out parallel to ground and try to hit hands with knees as you bring them up, alternating legs and doing this as quickly as you can. This exercise is like running on the spot, except that you are keeping back straight and driving knees up high with every rep.

Start in crab position, with hands and feet on floor, knees bent and facing up. Lift one hand and opposite side leg up high and touch fingers to toe, bring back to start position and repeat on other side, lifting and touching opposite hand and toe together, Continue alternating sides for each rep.