Lower extremity
Lower Extremity
The Lower Extremity (pronounced: loh-er eks-trem-i-tee) refers to the part of the body from the hip to the toes. The term is commonly used in anatomy, physiology, and medical imaging to describe structures, diseases, and conditions.
Etymology
The term "extremity" is derived from the Latin word "extremitas", which means "the furthest point". "Lower" is derived from the Old English "lāwer", meaning "below".
Anatomy of the Lower Extremity
The lower extremity is divided into four major parts: the hip, thigh, leg, and foot. Each of these parts contains various structures such as bones, muscles, nerves, and blood vessels.
- The hip is the joint that connects the lower extremity to the pelvis. It is a ball-and-socket joint that allows for a wide range of motion.
- The thigh is the part of the lower extremity between the hip and the knee. It contains the femur, the longest bone in the body.
- The leg refers to the part of the lower extremity between the knee and the ankle. It contains two bones: the tibia and the fibula.
- The foot is the distal part of the lower extremity. It is responsible for supporting the body's weight and facilitating locomotion.
Related Terms
- Ankle: The joint connecting the leg and the foot.
- Knee: The joint connecting the thigh and the leg.
- Femur: The bone of the thigh, the longest bone in the body.
- Tibia: The larger of the two bones in the leg.
- Fibula: The smaller of the two bones in the leg.
External links
- Medical encyclopedia article on Lower extremity
- Wikipedia's article - Lower extremity
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