1. Stand with your feet shoulder-width apart and your arms straight out to your sides, parallel to the ground.

2. Cross your left arm over your right arm in front of your body.

3. Open your arms wide as possible, and then cross your right arm over your left arm in front of your body.

4. Repeat the crossing and opening of your arms for the desired number of repetitions.

1. Lie on your back with your knees bent and feet flat on the ground, hip-width apart.

2. Engage your glutes and lift your hips up towards the ceiling.

3. Pause at the top of the movement and squeeze your glutes.

4. Lower your hips back down to the starting position.

1. Begin in a push-up position with your hands placed shoulder-width apart on the ground and your feet together.

2. Slowly walk your feet towards your hands until your hips are raised up in the air, and your body is in an inverted V-shape.

3. Lower your body towards the ground by flexing your elbows until your head almost touches the ground.

4. Push yourself back up to the starting position, using your arms and shoulders.

5. Repeat for the desired number of reps.

1. Grab a towel, t-shirt, band, or any sturdy, lightly-stretchable object you can pull apart without ripping. Try to rip the object apart with both hands.

2. As you maintain tension, keep your arms straight and raise your hands up in front of your body all the way overhead.

3. Reverse the movement, still maintaining tension, until your hands lower to the starting position.

4. Repeat for the desired number of repetitions, maintaining tension throughout.

1. Stand straight up with your arms relaxed by your sides. 2. Keeping your arms straight, raise them overhead and slightly out to the sides to create a Y shape with your body. 3. Hold the Y position for a few seconds, then slowly lower back down to the starting position. 4. Repeat for the desired number of reps. 5. To increase the difficulty, you can hold light weights or resistance bands in your hands during the exercise.