A reverse plank variation is an excellent move for challenging our anterior chain - which is all the muscles that run down ...

Reverse Sit-Up . Lie faceup with your arms by your sides, legs in the air, and knees bent 90 degrees. Use lower abdominal muscles to roll pelvis back and lift hips and glutes off the floor.

Trainer Alison Staples shows you 4 reverse sit-up variations for better posture.

Reverse crunch: A little variation on the crunch, and a slight backward style of a sit-up, is the reverse crunch. For this lie on your back, with feet off the floor and knees at a right angle.

Going to the gym isn't likely to reverse the damage caused by sitting all day (one study found that six hours of sitting counteracted the positive health benefits of an hour of exercise).

Tense your abs and pull yourself up to the v-sit position. Reverse the movement to the beginning position. Reverse Crunch. Start lying on the floor with your hand either side of your head.

Forget sit-ups — build a stronger core and improve your posture with this 15 ... To perform reverse tabletop knee lifts, start by sitting on the floor with your knees bent and feet flat ...

Paula Abdul Hates Sit-Ups, ... “I hate regular sit-ups because they hurt my neck, so I’ve learned every different way there is to do reverse sit-ups,” she says.

Count on balance beams, pull-up/chin-up bars (also good for muscle-ups, if you're superhuman), gymnastics rings, reverse sit-up platforms, push-up bars, seated leg raise benches, steps, and ...

The reverse crunch is a simple core exercise that can strengthen your abdominals. It may be easier on your back than traditional crunches and sit-ups because your spine doesn’t flex as much.

“Sit-ups also engage the hip flexors, leg and abdominal muscles, ... Reverse the movement to return to the starting position. Perform 8 reps on each side. Heel Tap. Lie faceup with your knees ...