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Related Experiment Videos

Hyperpronation control with a dynamic stabilizing innersole system.

R M Jay1, H D Schoenhaus

  • 1Department of Orthopedics, Pennsylvania College of Podiatric Medicine, Philadelphia.

Journal of the American Podiatric Medical Association
|March 1, 1992
PubMed
Summary
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This study introduces an innovative orthotic device designed to prevent hyperpronation of the human foot. The device features a deep heel seat and high flanges to stabilize the calcaneus and metatarsals, improving foot alignment.

Area of Science:

  • Biomechanics
  • Orthotics and Prosthetics
  • Podiatry

Background:

  • Hyperpronation is a common biomechanical issue affecting foot posture and function.
  • Existing orthotic devices may not adequately address calcaneal and metatarsal instability.
  • Proper foot alignment is crucial for preventing musculoskeletal disorders.

Purpose of the Study:

  • To introduce a novel orthotic device engineered to prevent hyperpronation.
  • To describe the specific design features that stabilize the calcaneus and metatarsals.
  • To highlight the device's potential in correcting abnormal foot mechanics.

Main Methods:

  • The orthotic device incorporates an offset, deep heel seat.
  • High medial and lateral flanges are integrated into the device design.

Related Experiment Videos

  • The device is engineered to maintain the calcaneus in approximately 5 degrees of varus.

    • Main Results:

    • The deep heel seat effectively cups the calcaneus.
    • The high flanges prevent lateral transverse drift of the first and fifth metatarsals.
    • The device successfully maintains the calcaneus in a corrected varus position.

    Conclusions:

    • The described orthotic device offers a novel approach to managing hyperpronation.
    • Its specific design features provide enhanced stability for the calcaneus and metatarsals.
    • This device has the potential to improve foot biomechanics and reduce associated pathologies.