standing reverse lunges - lunge backwards bringing the front thigh down
to parallel with the ground; knee should not go forward past toes and keep shin vertical; alternate
legs mountain climbers - get down on hands and feet in pushup position; quickly bring one
leg in so it's under chest; quickly
switch to other leg; keep quickly
switching legs so that it looks as if you were climbing a mountain mountain jumpers - get down on hands and feet in pushup position; quickly bring both
legs in so they are under chest and
immediately pop back out
to starting position; keep quickly «jumping» both
legs in so that it looks as if you were jumping, while on the ground.