Performing the: A Step-by-Step Tutorial Lying Hip Flexor
Bend your right knee and bring it towards your chest, hold onto the knee with both hands, and gently pull it closer to your chest until you feel a stretch in your hip.
Hold this position for about 30 seconds, or for as long as comfortable, while keeping your left leg flat on the ground.
Slowly release your right knee and return your leg to the starting position.
Repeat the same process with your left knee, alternating between both legs for the desired number of repetitions.