Final answer:
The hamstrings muscles are a two-joint muscle that acts at the knee and the hip. This statement is true.
Step-by-step explanation:
The statement is True. The hamstrings muscles are indeed a two-joint muscle that acts at the knee and the hip. They play a significant role in the movement of these joints.
The hamstrings are involved in activities such as walking, running, jumping, and bending the knee. They work in coordination with the quadriceps muscles at the front of the thigh to facilitate smooth and controlled movement. Hamstring injuries, such as strains or tears, are not uncommon, particularly in activities that involve sudden acceleration or deceleration.
Proper stretching and strengthening exercises can help prevent such injuries.