What is the 2 strongest muscle groups in body?

1. Quadriceps: The quadriceps are located on the front of the thighs and are made up of four individual muscles: rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. They are responsible for extending the knee joint.

2. Gluteals: The gluteal muscles are located on the buttocks and are made up of three individual muscles: gluteus maximus, gluteus medius, and gluteus minimus. They are responsible for extending the hip joint and for providing stability to the pelvis.