Plank
Instructions:
- Get into a prone position on the floor, supporting your weight on your toes and your forearms. Your arms are bent and directly below the shoulder.
- Keep your body straight at all times, and hold this position as long as possible. To increase difficulty, an arm or leg can be raised.
Alternative exercises:
Knee/Hip Raise On Parallel Bars
Position your body on the vertical leg raise bench so that your forearms are resting on the pads next to th...
Jackknife Sit-Up
Lie flat on the floor (or exercise mat) on your back with your arms extended straight back behind your head...
3/4 Sit-Up
Lie down on the floor and secure your feet. Your legs should be bent at the knees. Place your hands behind ...