Rowing Hammer

Leg extensions and leg curls are high priorityexercises with trainers, bodybuilders, and coaches. These exercises define thefront and back of the leg. They strengthen the knees, hamstrings, quadriceps,and glutes. They also serve to protect the knee and joints from stress andinjury.If you aim to develop larger and stronger quads, then the leg extension exercise better suits you. On the other hand, if you want stronger hamstrings, the leg curl is the one to go with. The leg curl machine will better protect your knees and prevent common sports injuries like pulling a hammy.