When elite ultrarunner Mike Wolfe laced up for a tempo run in June 2009, his right hip flexor felt tender and sore. But nothing out of the ordinary for a runner who, in a weekend, can cover 75 miles ...
Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. How we test gear. When it comes to cycling, your hip (flexors) don’t lie. If these muscles feel ...