Why sit-ups are causing your back pain Sit-ups should not be done. Period. One reason that that sit-ups are hard on your back is that they push your curved spine against the floor (flexing your lumbar spine) and engage your hip flexors. You can go to any local gym and see...

When glute kickbacks work your back and not your glutes The cable glute kickbacks are an exercise commonly used to develop or strengthen the glutes, the problem is usually people perform the exercise wrong are actually overworking their lower back. Your glute max muscle is the main muscle that performs hip...