All the hamstring muscles are identical in action. They are mostly responsible fro straightening the bones and support movement around the thighs and hip.
No, severing the patellar tendon would not directly inactivate the hamstring group. The patellar tendon is connected to the patella (kneecap) and the quadriceps muscles, not the hamstring muscles. The hamstring group is responsible for flexing the knee and extending the hip.
muscles and bones
The collective name for the posterior thigh muscles that the sciatic nerve supplies is the hamstring muscles. These muscles are responsible for bending the knee and extending the hip.
Hamstring muscles is the are often a name that is given to the muscles on the back side of the thigh. The tendons are normally included with the muscles. Here I will like to take second opinion.
Your hamstring muscles.
What is your name
Hamstring
hamstring
Quadriceps femoris
The muscles used are your Quads and Hamstring
The muscles around the pivot joint are the Quadricep and the Hamstring muscles.