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Related Concept Videos

Isotonic and Isometric Muscle Contractions01:22

Isotonic and Isometric Muscle Contractions

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Two primary types of muscle contractions are isotonic and isometric, each serving unique functions and involving distinct mechanisms. Both isotonic and isometric contractions are integral to the body's complex system of movement and stability. Isotonic exercises contribute significantly to functional strength and movement, while isometric contractions are crucial for maintaining posture and joint stability.
Isotonic contractions
Isotonic contractions occur when a muscle changes length while...
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Related Experiment Video

Updated: Mar 6, 2026

Construction of a Realistic, Whole-Body, Three-Dimensional Equine Skeletal Model using Computed Tomography Data
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Equinus and Lengthening Techniques.

Patrick A DeHeer1

  • 1Surgery Department, Indiana University Health North Hospital, Carmel, IN, USA; Surgery Department, Johnson Memorial Hospital, Franklin, IN, USA; Department of Podiatric Medicine and Radiology, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA.

Clinics in Podiatric Medicine and Surgery
|March 5, 2017
PubMed
Summary
This summary is machine-generated.

Equinus, a common foot deformity, can cause lower extremity issues. The Baumann gastrocnemius recession is a preferred surgical method for correcting equinus deformity without causing muscle weakness.

Keywords:
AchillesBaumannBracingEquinusGastrocsoleal complexStrayerStretchingTendo-Achilles lengthening

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Area of Science:

  • Orthopedics
  • Biomechanics
  • Podiatry

Background:

  • Equinus deformity is associated with numerous lower extremity biomechanical disorders.
  • Accurate definition and evaluation are crucial for managing equinus.
  • Standardized examination methods ensure consistent clinical assessment.

Purpose of the Study:

  • To define equinus deformity and establish a consistent evaluation methodology.
  • To highlight the importance of treating equinus in associated lower extremity disorders.
  • To compare surgical treatments for equinus, identifying a preferred method.

Main Methods:

  • Defining equinus as ankle dorsiflexion less than 5° with the knee extended.
  • Utilizing a goniometer with the subtalar joint neutral and midtarsal joint supinated for examination.
  • Reviewing surgical options for equinus correction.

Main Results:

  • A consistent clinical examination method for equinus has been established.
  • Comprehensive treatment requires addressing the equinus deformity itself.
  • The Baumann gastrocnemius recession is identified as a preferred surgical technique.

Conclusions:

  • Equinus deformity is a significant factor in lower extremity biomechanical problems.
  • Standardized evaluation and treatment, including surgical correction like Baumann gastrocnemius recession, are essential.
  • This approach corrects the deformity effectively without inducing weakness.