Step-by-step exercises for a stronger back
Are you neglecting or even unaware of the muscles in your back? If so, you're putting yourself at risk. The trapezius is the diamond-shaped muscle that runs from neck to middle back and from shoulder to shoulder across the back. The latissimus dorsi—or "lats"—are the large back muscles that run from either side of the spine to your waist.
Source: Medical Xpress