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Jul 16, 2019 · In the lower leg, the tibia bears most of the body’s weight while the fibula supports the muscles of balance in the lower leg and ankle. The tibia forms the flexible ankle joint with the tarsal bones of the foot.
- Nerves of The Leg and Foot
The lumbar plexus forms in the lower back from the merger of...
- Leg & Foot Cardiovascular System
The cardiovascular system of the leg and foot includes all...
- Muscles of The Leg and Foot
These muscles contract to plantar flex the foot — such as...
- Nerves of The Leg and Foot
- Gastrocnemius
- Soleus
- Plantaris
- Tibialis Anterior
- Tibialis Posterior
- Peroneus
The gastrocnemius muscleTrusted Sourceis one of the main muscles of the lower leg. It gives the calf of the leg its rounded, bulging appearance. The gastrocnemius is on the posterior, or back, side of the leg. It attaches to the femur and the patella above the tibia, in the top of the area. It also attaches to the Achilles tendon on the lower part ...
The soleus muscleTrusted Sourceis a flatter muscle lying just beneath the gastrocnemius. It begins at the upper portions of both the tibia and fibula and attaches to the heel at the Achilles tendon along with the gastrocnemius. The soleus engages to flex the ankle joint while moving the foot downward, especially when a person bends their knees, suc...
The plantaris is a small muscle in the back of the leg, originating above the back of the knee, with a muscle area in the back of the knee. It has a long, thin tendon running down the middle of the leg to connect with the Achilles tendon and heel bone. However, the plantaris muscle is not always there. Up to 10%Trusted Sourceof the population do no...
The tibialis anteriorTrusted Sourceruns from the top of the tibia, along the front side of the leg and shin, and down into the cuneiform and metatarsal bones of the foot. The tibialis anterior acts to dorsiflex the foot, which occurs when a person extends the toes toward the shin. It also helps invert the foot, which is the action of moving the sol...
The tibialis posteriorTrusted Sourceis a muscle deep in the back of the leg. It begins at the rear side of the tibia and fibula and stretches along the leg to connect at the navicular and cuneiform bones in the foot. The tibialis posterior is a stabilizing muscle for the leg. It also supports the arch of the foot.
The peroneus muscles, also known as fibularis muscles, are a group of three muscles in each leg. They run on the outer side of the lower extremity. The peroneus longus and peroneus brevis run on the outer side of the leg. They help evert the foot, angling it toward the inside of the body on the line of the toe. They also help execute plantar flexio...
- Big toe arthritis. Arthritis can affect many different bones within the feet, but most commonly causes problems with the joints at the base of the big toe.
- Bunions. Share on Pinterest. Bunions are a common complication affecting foot bones. A bunion is a prominent bump on the inside of the foot, near the base of the big toe.
- Gout. Gout is a type of inflammatory arthritis. Although it can affect almost any joint in the body, it most commonly affects the joint at the base of the big toe.
- Hammer toes. A hammer toe is a condition that usually affects toes other than the big toe. Instead of pointing straight out in front, these toes point downward, forming a claw shape.
- Upper leg anatomy and function. The upper leg is often called the thigh. It’s the area that runs from the hip to the knee in each leg. Upper leg bones. Femur.
- Knee anatomy and function. The knee joins the upper leg and the lower leg. It’s also the largest joint in the body. In addition to bearing the weight of the upper body, the knee allows for walking, running, and jumping.
- Leg diagram. Explore the interactive 3-D diagram below to learn more about the leg.
- Lower leg anatomy. The lower leg extends from the knee to the ankle. This area is commonly referred to as the calf. Lower leg bones. Tibia. Also called the shin bone, the tibia is the longer of the two bones in the lower leg.
Aug 14, 2023 · The fibula connects to the tibia via an interosseous membrane that connects the two bones distally at the ankle joint. Proximally, the proximal tibiofibular joint serves as the proximal anchoring stabilizing connection between the two bones in the lower leg.
- Austin J. Cantrell, Onyebuchi Imonugo, Matthew Varacallo
- 2019
Mar 30, 2015 · Human body. Skeletal System. Bones. The femur, or thighbone, is the longest and largest bone in the human body. At its top, it helps create the ball-and-socket joint of the hip; its lower end...
Jan 21, 2018 · The lower leg contains two major long bones, the tibia and the fibula, which are both very strong skeletal structures. The tibia (also called the shinbone) is located near the midline of the...
