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Related Experiment Videos

External loading comparisons between able-bodied and below-knee-amputee children during walking.

J R Engsberg1, A G Lee, J L Patterson

  • 1Human Performance Laboratory, University of Calgary, Alberta, Canada.

Archives of Physical Medicine and Rehabilitation
|August 1, 1991
PubMed
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Children with below-knee amputation (BKA) show significant differences in limb loading compared to able-bodied peers. Their prosthetic limb plays a subordinate role, impacting gait and walking ability.

Area of Science:

  • Biomechanics
  • Pediatric Orthopedics

Background:

  • Children with below-knee amputation (BKA) often exhibit altered gait patterns.
  • Understanding external loading differences is crucial for optimizing prosthetic use and rehabilitation.

Purpose of the Study:

  • To identify external loading variables differentiating the limbs of BKA children and able-bodied children.
  • To compare loading characteristics between prosthetic, nonprosthetic, and able-bodied limbs.

Main Methods:

  • Collected force platform data from 11 able-bodied and 4 BKA children over two sessions.
  • Analyzed data from two consecutive footfalls for each limb.

Main Results:

  • Significant external load differences were found between prosthetic and nonprosthetic limbs in BKA children.

Related Experiment Videos

  • The prosthetic limb showed a subordinate loading role compared to nonprosthetic and able-bodied limbs.
  • The nonprosthetic limb demonstrated a dominant loading role.

    • Conclusions:

    • Altered limb loading in BKA children is likely due to morphological and functional differences.
    • Prosthetic limb function significantly influences gait, making it challenging for BKA children to walk like able-bodied peers.
    • Optimizing prosthetic design, alignment, and rehabilitation is key to improving BKA children's gait.