Performing the: A Step-by-Step Tutorial Bridge - Mountain Climber
Push through your heels to lift your hips off the floor into a bridge position, keeping your shoulders and head resting on the ground, and your body in a straight line from your shoulders to your knees.
Now, bring your right knee towards your chest while keeping your left foot on the ground and your hips lifted.
Return your right foot to the ground and then repeat the motion with your left knee.
Continue alternating legs for the desired amount of repetitions, all while maintaining the bridge position.