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Muscles of the Leg that Move the Foot and Toes

Muscles of the Leg that Move the Foot and Toes

The human leg comprises an intricate system of muscles that facilitate the movement of feet and toes. Within this system, the muscles are categorized into the anterior, lateral, and posterior compartments, each with a unique set of muscles carrying out specific functions.
Anterior Compartment
The anterior compartment includes muscles that contribute to the dorsiflexion of the foot. This compartment houses the tibialis anterior, extensor hallucis longus, and extensor digitorum longus muscles....

Ankle Joint

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The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

Somatic Spinal Reflexes

Somatic Spinal Reflexes

Somatic spinal reflexes are rapid, involuntary muscular responses to external stimuli that involve the somatic musculature and the spinal cord.
One of the most well-known somatic spinal reflexes is the stretch reflex, which is activated by the sudden stretching of a muscle. This reflex involves the activation of specialized sensory receptors called muscle spindles, which are located in the muscle tissue and detect changes in the length and speed of muscle contractions. When a muscle is suddenly...

Bones of the Lower Limb: Tibia and Fibula

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The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...

Disorders of the Skeletal Muscle

Disorders of the Skeletal Muscle

The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
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Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...

Development of the Limb Synovial Joints

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Joints form during embryonic development in conjunction with the formation and growth of the associated bones. The embryonic tissue that gives rise to all bones, cartilage, and connective tissues of the body is called mesenchyme.
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During development, the limbs...

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Related Experiment Video

Updated: May 16, 2025

Evaluating the Function of the Foot Core System in the Elderly

Evaluating the Function of the Foot Core System in the Elderly

Published on: March 11, 2022

Sarcoid Tenosynovitis in the Foot.

Devon Niewohner¹, Cody Blazek¹, Karen Arispe-Angulo²

¹*Department of Orthopedics, Wake Forest Baptist Medical Center, Winston-Salem, NC.

Journal of the American Podiatric Medical Association

|April 26, 2025

Summary

Sarcoidosis, a systemic granulomatous disease, can affect tendons. This case report details sarcoid tenosynovitis in the foot, a rare manifestation, and reviews existing literature on this condition.

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Area of Science:

Rheumatology
Orthopedics
Pathology

Background:

Sarcoidosis is a multisystem granulomatous disease impacting various organs.
Musculoskeletal involvement is common, with tenosynovitis being a recognized manifestation.
Sarcoid tenosynovitis typically affects the hand, wrist, and ankle.

Observation:

This report focuses on a rare case of sarcoid tenosynovitis specifically affecting the foot.
The case highlights the diverse anatomical locations where sarcoid tenosynovitis can occur.

Findings:

Sarcoid tenosynovitis in the foot is an underreported entity in medical literature.
This case contributes to the limited documented instances of foot involvement.

Implications:

Increased awareness of sarcoid tenosynovitis in the foot is crucial for timely diagnosis.
Further research may elucidate the specific pathophysiology and treatment strategies for this rare presentation.