Runners often concentrate on building strength in their calves, glutes, hamstrings and quads, but one crucial muscle group that's often neglected is the hip flexor muscles. These muscles ...
It's one of the fitness industry's biggest misnomers. "Tight hip flexors" are very rarely tight. Ninety-nine times out of 100 they are, in fact, weak. At least, that was the lesson I learned many ...