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Related Experiment Video

Updated: May 8, 2026

A Passive Ankle Dorsiflexion Testing System for an In Vivo Model of Overuse-induced Tendinopathy

A Passive Ankle Dorsiflexion Testing System for an In Vivo Model of Overuse-induced Tendinopathy

Published on: March 1, 2024

Multiple tendon ruptures of unknown etiology.

Derek P Axibal¹, John G Anderson

¹College of Human Medicine, Michigan State University, Grand Rapids, Michigan (DPA).

Foot & Ankle Specialist

|August 23, 2013

Summary

This case report details multiple tendon ruptures in the foot and ankle, including the Achilles and peroneus tendons, with unknown causes. Further research is needed to identify less common etiologies of tendon pathology.

Keywords:

foot and ankle injuries tendon rupture unknown etiology

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Biomechanical Testing of Murine Tendons

Biomechanical Testing of Murine Tendons

Published on: October 15, 2019

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Last Updated: May 8, 2026

A Passive Ankle Dorsiflexion Testing System for an In Vivo Model of Overuse-induced Tendinopathy

A Passive Ankle Dorsiflexion Testing System for an In Vivo Model of Overuse-induced Tendinopathy

Published on: March 1, 2024

Biomechanical Testing of Murine Tendons

Biomechanical Testing of Murine Tendons

Published on: October 15, 2019

Area of Science:

Orthopedics
Podiatry
Sports Medicine

Background:

Tendon ruptures are frequently encountered in foot and ankle clinical practice.
The multifactorial etiology typically involves trauma, systemic diseases, medication side effects, and obesity.

Observation:

This case report describes an unusual instance of simultaneous right Achilles tendinitis, left Achilles tendon rupture, bilateral peroneus longus tendon rupture, and left peroneus brevis tendon rupture.
The etiology of these extensive tendon pathologies remains unknown.

Findings:

The presented case involves a complex pattern of tendon injuries affecting both the Achilles and peroneus tendons.
The absence of a clear etiological link underscores the limitations of current understanding regarding tendon rupture causes.

Implications:

This case highlights the necessity for expanded research into potential, less recognized causes of tendon pathology.
Identifying novel etiologies could lead to improved diagnostic and therapeutic strategies for patients with tendon injuries.