Hip Flexor Stretch - Lunge forward with left foot, bending left knee 90 degrees and lowering right knee to floor. Tilt pelvis forward until you feel mild tension in the front of the right hip. Raise right arm overhead, reaching to the left side. Hold for 15 to 20 seconds. Return to start and repeat on opposite side.

Hip Flexor Stretch - Lunge forward with left foot, bending left knee 90 degrees and lowering right knee to floor. Tilt pelvis forward until you feel mild tension in the front of the right hip. Raise right arm overhead, reaching to the left side. Hold for 15 to 20 seconds. Return to start and repeat on opposite side.

Original article and pictures take https://fitnessmagazine.com site