After your run, your legs are probably in need of a good stretch. But it's not all quads, hamstrings, and glutes. Don't forget these areas when stretching after your jog. Hip flexors: Combat all that forward propelling (and desk sitting) with
Strengthening your back - your posterior chain - can help you increase definition in your abs, protect you from injury in your training, lift your glutes (if you're looking for that result) and keep your torso upright and chest from collapsing.