Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Contralateral compensation with knee impairment.

R M Nuzzo1, J Jolly, N A Langrana

  • 1Gait and Motion Analysis Laboratory, Childrens Specialized Hospital, Mountainside, New Jersey.

Clinical Orthopaedics and Related Research
|October 1, 1987
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

High-Performance Activity With Below-Knee Cast Treatment, Part II: Clinical Application and The Weak Link Hypothesis.

Orthopedics·2014
Same author

High-performance activity with below-knee cast treatment, part I: mechanics and demonstration.

Orthopedics·2014
Same author

Dry ice freezing as a prelude to surgical amputation.

Orthopedics·2014
Same author

Report from the Committee on Medical Analysis Laboratories.

Bulletin de l'Academie de medecine·2010
Same author

On the Formation Of the Batrachian Lymphatic System.

Comptes rendus des seances de la Societe de biologie et de ses filiales·2010
Same author

Neuraminidase assays.

Developments in biologicals·2004
Same journal

Impact Microindentation Evaluates Bone Strength, Bone Quality, and Fracture Susceptibility Across Skeletal Sites: A Cadaver Study.

Clinical orthopaedics and related research·2026
Same journal

What Is the Effect of Robot Reduction in Displaced Pelvic Fractures? A Multicenter Randomized Clinical Trial.

Clinical orthopaedics and related research·2026
Same journal

CORR Insights®: Acute or Delayed TKA for Tibial Plateau Fracture? An Observational Study From the Swedish Arthroplasty Register.

Clinical orthopaedics and related research·2026
Same journal

Reply to the Letter to the Editor: Guest Editorial: Recalling a Recall.

Clinical orthopaedics and related research·2026
Same journal

Radial Head Fractures Cluster in the Anterolateral and Anteromedial Quadrants and Do Not Correlate With Coronoid Fracture Types.

Clinical orthopaedics and related research·2026
Same journal

Reduced Cerebellar Activation With Eyes Closed Is Associated With Delayed Peroneal Reaction Time in Patients With Chronic Ankle Instability.

Clinical orthopaedics and related research·2026
See all related articles

Knee motion impairments in teenagers led to compensatory movements in the unimpaired knee, causing pelvic vaulting. Impaired extension resulted in bilateral crouch, with lateral shifts and shortened stride length indicating compensatory strategies.

Area of Science:

  • Biomechanics
  • Gait Analysis
  • Human Motion Studies

Background:

  • Understanding compensatory mechanisms in gait is crucial for rehabilitation and assistive device design.
  • Previous research has explored various gait deviations, but a comprehensive analysis of knee motion impairment effects is needed.

Purpose of the Study:

  • To investigate the compensatory effects of unilateral knee motion impairment on gait in healthy teenagers.
  • To compare these compensatory strategies with those observed in patients with gait abnormalities.

Main Methods:

  • Utilized computerized video analysis to study walking patterns in four healthy teenagers with unilaterally impaired knee motion via cast braces.
  • Compared findings with data from six patients exhibiting gait impairments.

Related Experiment Videos

Main Results:

  • Restricted knee flexion minimally affected ipsilateral stance-phase motion but caused contralateral exaggerated flexion and pelvic vaulting.
  • Impaired knee extension led to bilateral crouch, with fatigue more pronounced than with flexion impairment.
  • Effective clearance mechanisms included lateral shifts and adduction freezing; shortened stride length was a sensitive indicator of compensation.

Conclusions:

  • Compensatory gait strategies involve complex phasic motion adjustments across multiple body segments.
  • Stick figures proved more effective than joint motion graphs for analyzing these dynamic relationships.
  • Clinical weakness can manifest as low-level pelvic displacement, with stride length as a key indicator.