1- Support yourself on the ground, face down with arms extended, hands shoulder-width apart and feet touching or slightly apart.
2- Now keep your body straight then start lowering your body until your chest almost touches the floor by bending your elbows.
3- Squeeze your chest while pressing your body up until arms are extended again, and repeat.
Tips and Advises:
1- Make sure to keep your hips in line with your feet and shoulders throughout the exercise.
2- Put the hand wider if you want to isolate the lateral part of the chest muscle.
3- Put the hands close if you want to target the inner part of the chest muscle.
Knee Push Up