Most gym goers are ignoring important muscles in the hips, back, and core, said a personal trainer. Hip abductors and adductors, deep core, and spinal support muscles are key for stability. Exercising ...

Don't just focus on the main muscles of your core — working on your hips, back, and deep ab muscles can help prevent injury.fizkes/Getty Images Most gym goers are ignoring important muscles in the ...

Sculpt and strengthen your upper abs and core your rectus abdominis or "six-pack" muscles, with this workout designed by ...