In fact, the Jefferson curl is more of a mobility exercise that strengthens the muscles of the lower back and core, as well as stretching the hamstrings, to help build a more resilient spine.
Deadlifts are an excellent strength exercise that targets the erector spinae, lower back muscles, and also your hamstrings and hips, among other body parts. Make sure to practice the movement befo ...
That’s why it’s crucial to strengthen both your low back muscles and your core to prevent injury. Lower-back workout: 17 exercises to strengthen the low back Incorporating these exercises into ...