Fingers facing forward and the wight back in your palms, bend through your elbows dropping your butt to the floor (don't let your butt touch the floor!).
if this is too easy, you can use a chair and place your hands on the edge of it!

This was a substitute I did for leg raises (belly is in the way!)
Slightly leaning back with legs extended in front of you, bend one knee bringing it up to your chest and squeeze your core. It should feel like your are drawing your belly button in to your spine.
You can use your socks on a slippe...

With your feet shoulder width apart and hands placed at shoulders, lower your butt as low as you can go. Keep your feet flat on the ground! As you return to an upright position, press through your shoulders and fully raise your arms overhead.

Here you can use your knees if being on your toes is too difficult. Keep your back straight, fingers apart and squeeze your chest at the top of the movement.

Standing upright with your feet shoulder width apart, hinge forward at your hips while keeping your back straight. While hinged forward, keep your elbows close to your side, draw your elbows back and squeeze your shoulder blades together. While returning to upright position, make sure to squeeze ...

Step in to a lunge position with your foot on the middle of the band. With your arms lowered, bend through your front knee and lower your body in to a lunge. Pushing out of the lunge in to an upright position, raise your arms to shoulder height.

Keeping tension on the band the whole time, hold your arms straight in front of you. Rotate your hands up and down, pausing at each rotation for a couple seconds.

Starting in an upright position with your feet shoulder width apart (mine are a bit further to make room for the belly) and your knees slightly bent. Hinge forward at your hips as far as you can, while keeping your back straight. Squeeze your butt and legs for the whole movement.

Here you can use your socks on a slippery floor, a plastic bag on carpet or sliders if you have them. Slide your leg back into a lunge position & bounce 3 times. 1 rep = lunge & 3 pulses.
If sliding is too difficult, you can step back instead.

With a wide stance, lower your but as low as you can get it. Bounce 3 times and return to standing. 1 rep= A squat & 3 pulses. Do not short yourself here!

Starting near your shoulder, slowly press your fist down towards your hip. Fully extend and squeeze your arm at the bottom.

Keeping your elbow tucked in to your side, move slowly and squeeze your arm when your fist gets close to your shoulder.

Starting with your arms slightly bent above your head, drop your elbows down to your side while keeping tension on the band THE WHOLE TIME. Again, squeeze your shoulder blades together.

Keeping your back straight and arms upright, SQUEEZE your shoulder blades together. If you don't feel it, try adjusting the height of your elbows by moving them up or down slightly.

Keep your back straight and hinge forward at your hips. Keep your elbow close to your side during the movement. Make sure to really squeeze your shoulder blades together as you draw your elbow back.

Feet are closer together than your shoulders. Sit back as if going to sit in a chair. Lower your butt as low as you can and return to standing. Squeeze your legs and butt the whole time.

Feet are placed wider than your shoulders, toes are facing forward. Lower your butt towards the floor as low as you can. Tap the floor and return to starting position.

Starting in a plank position. Draw your belly button towards your spine and hold. Raise your knee towards your chest and switch legs.

Laying flat on your back, place your hands under your butt. Lift your heels from the floor. The higher you raise your legs, the easier the movement. Lower your heels back down, but don't let them touch the floor!

Starting in a lunge position. Power through your legs to push off the ground and switch sides. Keep your back upright.
If this is too difficult, you can switch out for an alternating lunge.

Starting on hands and knees. Hands should be under your shoulders and knees under your hips. Curl your toes under and lift your knees off the ground remaining in a table top position. Pull your belly button in towards your spine during your hold.

Starting in a plank position, rotate through one arm to open your chest and raise your opposite hand towards the sky.

Starting in a wide stance, bend through one knee lowering your butt towards the floor. Go as low as you can. Keep your other leg straight.

Starting in a side plank position, power through your hand using your shoulder to push your butt towards the sky.

Sitting with knees bent and feet flat on the floor. Lean back slightly and rotate from side to side.
For more advanced version, raise your feet off the floor.

Place your back flat against the wall and lower your butt until your knees are at a 90 degree angle.

Standing on one foot, lower your hand to the ground while keeping your leg in line with your body. Go as low as you can. Keep your leg and but squeezed the whole time.
You can also use a chair for stability.

Starting in a pike position with a straight back, bend through your elbows lowering your head towards the ground. Push through your palms and power through your shoulders to return to starting position.

Starting in a wide stance, point your toes outward. Lower your butt down as low as you can go and push back up through your legs. Squeeze your butt and legs at the top of the movement.

Starting off in a plank position with your back straight, walk your hands back in to a pike. As a variation you can push through your hands, while keeping them in place, in to a pike.