If you spend most of your day sitting, use these expert-recommended hip flexor stretches to alleviate low back pain and hip tension. The post 4 Hip Flexor Stretches That Relieve Pain and Tightness ...

Another common case of this muscle rivalry action is your hip flexors taking over during an ab workout. “I find this is all too common, especially with crunch-style exercises,” says Erica Ziel ...