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Related Concept Videos

Somatic Spinal Reflexes01:22

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...
Disorders of the Skeletal Muscle01:28

Disorders of the Skeletal Muscle

The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
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...
Elastin is Responsible for Tissue Elasticity01:12

Elastin is Responsible for Tissue Elasticity

Elastic fiber contains the protein elastin along with lesser amounts of other proteins and glycoproteins. The main property of elastin is that it will return to its original shape after being stretched or compressed. Elastic fibers are prominent in elastic tissues found in skin and the elastic ligaments of the vertebral column.
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Related Experiment Video

Updated: Jul 8, 2026

Polytetrafluoroethylene (PTFE) as a Suture Material in Tendon Surgery
09:13

Polytetrafluoroethylene (PTFE) as a Suture Material in Tendon Surgery

Published on: October 6, 2022

Extensor tendon injuries in children.

Frank Fitoussi1, Alina Badina, Brice Ilhareborde

  • 1Department of Orthopaedic Surgery, Robert Debre Hospital, Paris VII University, Paris, France. franck.fitoussi@wanadoo.fr

Journal of Pediatric Orthopedics
|January 23, 2008
PubMed
Summary

Primary extensor tendon repair in children yields excellent outcomes, but younger children and specific injury zones present higher risks for complications like extension lag.

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A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects
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Published on: December 10, 2021

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Last Updated: Jul 8, 2026

Polytetrafluoroethylene (PTFE) as a Suture Material in Tendon Surgery
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A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects
06:36

A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects

Published on: December 10, 2021

Area of Science:

  • Orthopedic Surgery
  • Pediatric Hand Surgery
  • Traumatology

Background:

  • Retrospective analysis of pediatric extensor tendon injuries.
  • Focus on primary repair in children under 15 years old.

Purpose of the Study:

  • Evaluate outcomes of primary extensor tendon repair in pediatric patients.
  • Identify factors influencing functional recovery after tendon repair.

Main Methods:

  • Reviewed 53 digits in 50 pediatric patients with extensor tendon lacerations.
  • Primary repair performed within 24 hours.
  • Outcomes assessed using Total Active Motion and Miller's rating systems over a 2-year follow-up.

Main Results:

  • 98% of digits achieved good/excellent results by Total Active Motion.
  • 95% achieved good/excellent results by Miller's classification.
  • 22% of fingers experienced extension lag or loss of flexion.

Conclusions:

  • Younger children (<5 years), injuries in zones I-III, and complete lacerations negatively impacted outcomes.
  • Articular involvement did not significantly affect the final results.