Foot and ankle involve complex joints that help in movement and providing stability and balance to the body. The foot and ankle consist of 26 bones, 33 joints, and many muscles, tendons and ligaments.
The ankle joint connects the leg with the foot, and is composed of three bones: tibia, fibula and talus. The tibia or shinbone and fibula or calf bone are bones of the lower leg that articulate with the talus or ankle bone, enabling up and down movement of the foot.
Three bony bumps present on the ends of the tibia and fibula form parts of the ankle joint:
The foot acts as a single functional unit, but can be divided into three parts: the hindfoot, midfoot and forefoot.
The hindfoot forms the ankle and heel and is made up of the talus bone and calcaneus or heel bone. The heel bone is the largest bone in the foot.
The midfoot connects the hindfoot to the forefoot, and consists of one navicular bone, one cuboid bone and three cuneiform bones. The navicular bone is found in front of the heel bone, and the cuneiform and cuboid bones are arranged in front of the navicular bone.
There are 33 joints in the ankle and foot. They include the
The joints of the foot and ankle provide stability and support the weight of the body, helping you to walk or run, and to adapt to uneven ground.
The joint surface of all bones of the ankle and foot are lined by a thin, tough, flexible, and slippery surface called articular cartilage, which acts as a shock absorber and cushion to reduce friction between the bones. The cartilage is lubricated by synovial fluid, which further enables smooth movement of the bones.
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Conditions Related To Foot & Ankle are :
Twisting injury (ankle sprain) is the most common cause of ankle pain.
It is an injury to one of the ligaments of the ankle joint.
Pain and swelling around the ankle joint and difficult to weight bear on the affected joint are the main symptoms. Instability of ankle joint in chronic cases.
It is mainly by history and clinical examination. Xray is done to rule out a fracture. MRI is done to rule out the complete ligament tear.
In mild injuries(Grade I) rest, cold packs, limb elevation, and analgesics will help. In moderate to severe ankle sprain ideally, the ankle has to be immobilized in a plaster cast for a minimum period of three weeks. In severe cases, MRI is done at the end of three weeks and surgery is done to repair or reconstruct the ligament.
After the plaster is removed ankle movements, strengthening of muscles and proprioception exercises are started gradually over a period of time.