'Up/down plank by Kathy Robitaille, Fitness Anywhere.mov'

Tags: ab workout , core exercises , exercise at home , exercise with no equipment

'Excellent core strengthening exercises that get the heart rate up at the same time and that can be done anywhere with no equipment. These exercises can be done ANYWHERE.' 

See also: 5 5 workout , review , ufc , Detlef Soost , comedy , � ต้น Zumba , muskeln , fam , mill , Workout