Final answer:
The proximal attachments of thigh muscles are primarily on the os coxae (hip bone), such as the gluteal muscles.
Explanation:
Most muscles that move the thigh have proximal attachments on the os coxae (hip bone). For example, the gluteal muscles like gluteus maximus, medius, and minimus originate from the os coxae and attach to the femur to perform movements like extension and abduction of the thigh.
Learn more about Thigh Muscles and Hip Bone Attachments here:
https://brainly.com/question/2879375
