Learn how many calories to lose weight safely, and how to lose weight fast. The weight losss calculator will only show you safe levels of calorie reduction. When selecting your activity level use: Sedentary (little or no exercise) Lightly active (light exercise/sports 1-3 days/week) Moderatetely active (moderate exercise/sports 3-5 days/week) Very active (hard exercise/sports 6-7 days a week)
The major muscles in the upper leg are the hamstrings and quadriceps. The hamstrings are three muscles at the back of the thigh that affect hip and knee movement. The quadricepsâthe strongest and leanest muscles in the bodyâare a four-muscle group at the front of the thigh that work to extend the knee and lower leg. The knee is a pivot-like hinge joint in the leg that connects the bones in the upper and lower leg. It is the largest joint in the human body.
The functions of the large exterior muscles that affect the knee are easier to understand when viewed in their collective groups. The hamstring muscles are three muscles at the back of the thigh that affect hip and knee movement. They begin under the gluteus maximus behind the hip bone and attach to the tibia at the knee. They are: Biceps femoris: This long muscle flexes the knee. It begins in the thigh area and extends to the head of the fibula in the knee. Semimembranosus: This long muscle extends from the