This is where the hip flexor stretches come to the rescue! These stretches help loosen the hip flexors and improve their flexibility.
Jillian Michaels: This 7-Move Circuit Will Change Your Body
It's not much of a stretch to say that nobody knows how to build power, speed, strength, and flexibility better than Jillian Michaels. This comprehensive workout, which she created for Health, trains the muscles in a way that will bust through even the most persistent plateau. | Health.com
급하게 찐 ‘겨울방콕살’ -3kg 빼는 법
K-Style - Girls Generation 5-3-2 Leg Workout - YouTube