the quadriceps
The leg extension exercise primarily targets the quadriceps muscle group in the front of the thigh.
your calf...
Back extension primarily works the muscles in the lower back, specifically the erector spinae muscles.
The standing lateral raise primarily works the shoulder muscles.
Hamstring - Semimembraneous
Quadriceps muscle or thigh muscle.
The upper-body muscle groups are worked when one does lat pull downs. The muscle groups mainly worked are the ones in your back called latissimus dorsi. They also work other muscle groups like traps.
The leg curl and leg extension exercises strengthens two muscle groups. The two muscle groups are the hamstring muscles and the quads or quadricep muscles.
The neutralizer muscle of the leg extension is primarily the hamstring group, particularly the biceps femoris, semitendinosus, and semimembranosus. These muscles help to stabilize the knee and prevent excessive extension during the leg extension exercise, ensuring proper movement mechanics and joint safety. By counteracting the action of the quadriceps, they maintain balance and control throughout the motion.
The muscle that is not a member of the hamstring is the quadriceps. The hamstring group consists of the biceps femoris, semitendinosus, and semimembranosus muscles, which are located at the back of the thigh and are primarily responsible for knee flexion and hip extension. In contrast, the quadriceps, located at the front of the thigh, are responsible for knee extension.
The leg curl is a muscular resistance exercise that primarily works the quadriceps. It involves the knee joint and develops strength in the quadriceps at the front of the thigh.
The preacher curl exercise primarily targets the biceps muscle group.