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Related Concept Videos

Diabetic Foot Ulcer01:31

Diabetic Foot Ulcer

Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...
Diabetic Neuropathy01:22

Diabetic Neuropathy

DefinitionDiabetic neuropathy is nerve damage caused by long-standing diabetes mellitus. It results directly from prolonged high blood sugar levels.PathophysiologyThe pathophysiology of diabetic neuropathy involves both metabolic and vascular disturbances triggered by chronic hyperglycemia.Metabolic injury: Elevated glucose levels activate the polyol pathway within nerve cells, leading to the accumulation of sorbitol and fructose. This increases oxidative stress, disrupts normal nerve...
Muscles of the Leg that Move the Foot and Toes01:28

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.
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
Complications of Diabetes Mellitus01:22

Complications of Diabetes Mellitus

Diabetes mellitus is a chronic metabolic disorder characterized by persistent hyperglycemia due to insulin deficiency, resistance, or both. Prolonged hyperglycemia disrupts metabolic homeostasis and leads to acute and chronic complications.Acute ComplicationsAcute complications result from sudden metabolic imbalance.Diabetic ketoacidosis (DKA) mainly appears in type 1 diabetes but may also develop in type 2 diabetes, particularly under extreme stress. It arises from severe insulin deficiency,...

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Related Experiment Videos

Diabetic Deformities of the Lesser Toes.

Ryan LeDuc1, Michael S Pinzur1

  • 1Department of Orthopaedic Surgery & Rehabilitation, Loyola University Health System, Loyola University Medical Center, 2160 South First Avenue, Maywood, IL 60153, USA.

Clinics in Podiatric Medicine and Surgery
|May 28, 2026
PubMed
Summary
This summary is machine-generated.

Diabetes affects over 34.2 million Americans, leading to 150,000+ lower extremity amputations annually. Diabetic foot infections often stem from shearing forces on toe deformities.

Keywords:
Diabetic deformitiesLesser toesMetatarsalphalangeal

Related Experiment Videos

Area of Science:

  • Podiatry
  • Diabetology
  • Public Health

Background:

  • Diabetes affects over 34.2 million people in the U.S. (10.2% of the population).
  • Diabetic foot pathology results in over 150,000 lower extremity amputations each year in the U.S.
  • Infections frequently originate from external shearing forces on deformed toes.

Purpose of the Study:

  • To investigate the link between external shearing forces, toe deformities, and diabetic foot infections.
  • To highlight the public health impact of diabetic foot pathology.

Main Methods:

  • Analysis of epidemiological data on diabetes prevalence.
  • Review of clinical data on lower extremity amputations due to diabetic foot pathology.
  • Examination of biomechanical factors contributing to diabetic foot infections.

Main Results:

  • Diabetes impacts over 10.2% of the U.S. population.
  • Over 150,000 lower extremity amputations occur annually due to diabetic foot issues.
  • Shearing forces on deformed toes are a primary initiator of these infections.

Conclusions:

  • Diabetic foot pathology is a significant cause of amputations.
  • External biomechanical forces on foot deformities play a critical role in infection.
  • Preventive strategies targeting foot deformities and external forces are crucial.