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Femur
The femur is the thigh bone. In humans, it is the longest, most voluminous, and strongest bone. The average human femur is 48 centimeters in length and 2.34 cm in diameter and can support up to 30 times the weight of an adult. It forms part of the hip and part of the knee.
It is also the most voluminous and strongest bone of the human body. The femur constitutes the upper leg, i.e. the part of the leg above the knee.
Functions of the Femur
The Femur bone must withstand great weight and pressure. The shaft of this longest bone is shaped like a hollow cylinder. The design is for maximum strength with a minimum of material.
Because of this special construction, the thighbone can take enormous pressures, depending upon the weight of the person and the activity at the moment. It can support up to 30 times the weight of an adult.
Anatomy of the Femur
The femur is a long bone whose axis of movement is well outside of its substance for most of its length. Indeed, the important relationship of leg anatomy is that a line drawn from the the hip center to the ankle center passes right through knee center. Additionally, with that leg line vertical the knee and ankle surfaces ought to be horizontal.
The back of the femur at the top is deeper relative to the neck than the front.
The head of femur articulates with the pelvis to form the hip joint. If this joint deteriorates then it can be corrected only by hip replacement. Below the head is the neck of femur. The large bulge high at the base of the neck is called the greater trochanter, the small bulge lower down on the opposite side is the lesser trochanter.
Conditions of the Femur
Femur bone takes the longest time to heal of all the bones in the skeleton. The longest bone if subjected to fractures can be really drastic and may even cause permanent disability.
This might happen if the fragments reunite incorrectly. In order to avoid this patient should be put into traction for several weeks or may be even months depending on the volume of the injury. With the modern medicinal surgeries femur fracture patients can recover fully within a span of 3-6 months.
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