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Related Experiment Videos

Precision grip function after free toe transfer in children with hypoplastic digits.

Michael Schenker1, Mikael Wiberg, Simon P Kay

  • 1Department of Integrative Medical Biology, Section for Physiology, Umeå University, Sweden. zjc81@dial.pipex.com

Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS
|November 28, 2006
PubMed
Summary

Children can develop physiological grasping after toe-to-hand transfer for congenital hand deformities. However, surgical alignment is crucial to prevent excessive forces on transferred digits, ensuring optimal function.

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Area of Science:

  • Hand surgery
  • Pediatric orthopedics
  • Reconstructive surgery

Background:

  • Toe-to-hand transfer is used for congenital hand deformities.
  • Integration of transferred digits into grasping function requires further investigation.

Purpose of the Study:

  • To analyze fingertip forces during precision grip in children post-toe-to-hand transfer.
  • To assess the development of physiological grasping strategies and identify potential complications.

Main Methods:

  • Analysis of fingertip forces in the precision grip of 13 patients.
  • Object lifting task performed more than three years after free toe transfer.
  • Clinical assessment of sensibility, active motion, and pinch strength.

Main Results:

Related Experiment Videos

  • Patients demonstrated adaptation of grip force to object weight and parallel coordination of lift and grip forces.
  • Grasping strategies developed independently of age at operation (1-13 years).
  • Four patients exhibited increased tangential load forces due to misalignment, potentially overloading transferred digits.

Conclusions:

  • Children can achieve physiological grasping strategies after toe-to-hand transfer.
  • Optimal alignment of the grip axis during surgery is critical.
  • Misalignment can lead to detrimental forces on transferred digits, impacting function.