VIDEO: 20-Minute TRX Back and Core Workout

Blast your back and core with this express TRX workout.

Sitting, slouching, texting — all these modern-day postural annihilators come with a price: inactive abs, tight hips, stiff necks and rounded shoulders. Fortunately, this posture-perfect TRX workout can straighten you out.

These moves target the upper back and core — two regions paramount for maintaining good posture — while deftly counteracting the negative effects of sitting. These functional superstars also create long, lean muscle in your abs and back, building optimal shape and the intrinsic strength that leads to healthier joints, improved exercise longevity and sustained results.