Fitness slayer

  1. Planks Begin in the plank position, face down with your forearms and toes on the floor. ... Engage your abdominal muscles, drawing your navel toward your spine. ... Hold this position for 10 seconds. ... 2. Sit-Ups Lie down on your back. Bend your legs and place feet firmly on the ground to stabilize your lower body. Cross your hands to opposite shoulders or place them behind your ears, without pulling on your neck. Curl your upper body all the way up toward your knees. 3. Crunches Lie down on your back. Bend your legs and stabilize your lower body. Cross your hands to opposite shoulders, or place them behind your ears without pulling on your neck. Lift your head and shoulder blades from the ground. ... Lower, returning to your starting point