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

Knee ligament tests: what do they really mean?

F R Noyes, E S Grood, D L Butler

    Physical Therapy
    |December 1, 1980
    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

    Estimation of systemic arterial impedance in man from cardiac catheterization data.

    Journal of biomechanical engineering·2013
    Same author

    Tendon tissue engineering: progress, challenges, and translation to the clinic.

    Journal of musculoskeletal & neuronal interactions·2011
    Same author

    Transmission of nosocomial pathogens by white coats: an in-vitro model.

    The Journal of hospital infection·2010
    Same author

    Technique for measurement of the Raman gain coefficient in optical fibers.

    Optics letters·2009
    Same author

    Optical clock recovery from a data stream of an arbitrary bit rate by use of stimulated Brillouin scattering.

    Optics letters·2009
    Same author

    Microwave optical modulation by using the electro-optic effect in total internal reflection at the critical angle.

    Optics letters·2009
    Same journal

    Beyond Biomechanics: Advancing Physical Therapy through Bioenergetic Integration in Clinical Practice.

    Physical therapy·2026
    Same journal

    The Psychometric Properties of the Trunk Impairment Scale Used After Stroke: A Systematic Review Using COSMIN Methodology.

    Physical therapy·2026
    Same journal

    News from the Foundation for Physical Therapy Research, June 2026.

    Physical therapy·2026
    Same journal

    Community Integration as a Key Role of the Rural Primary Care Physical Therapist: A Qualitative Case Study.

    Physical therapy·2026
    Same journal

    On "Chest Binding and the Role of the Physical Therapist: A Commitment to Care." Marengo J, Sutkowi-Hemstreet A, Condran C, Goodman N, Offstein K, Nippins M. Phys Ther. 2025;105(12):pzaf132. https://doi.org/10.1093/ptj/pzaf132.

    Physical therapy·2026
    Same journal

    Author response to Schweizer et al.

    Physical therapy·2026
    See all related articles

    Understanding knee biomechanics reveals primary and secondary ligament roles in joint stability. Recognizing subtle laxity in acute knee injuries is crucial for accurate diagnosis and preventing long-term joint damage.

    Area of Science:

    • Orthopedics
    • Biomechanics
    • Sports Medicine

    Background:

    • Knee joint stability relies on a complex interplay of ligaments.
    • Clinical laxity tests are used to assess knee instability.
    • Understanding ligament function is critical for diagnosing and treating knee injuries.

    Purpose of the Study:

    • To clarify the roles of primary and secondary ligaments in knee stability.
    • To enhance the interpretation of clinical laxity tests.
    • To emphasize the importance of accurate diagnosis and long-term management of knee ligament injuries.

    Main Methods:

    • Review of biomechanical concepts related to knee function.
    • Analysis of the contribution of individual ligaments to knee stability.
    • Correlation of clinical laxity tests with underlying ligamentous injury.

    Related Experiment Videos

    Main Results:

    • One or two ligaments act as primary restraints for each plane of knee stability.
    • Secondary ligaments provide support but can stretch over time, leading to increased laxity.
    • Subtle laxity in acute injuries indicates significant damage and potential long-term consequences.

    Conclusions:

    • Accurate interpretation of clinical laxity tests requires understanding primary and secondary ligament roles.
    • Acute knee injuries with "a little laxity" should be considered serious.
    • Long-term joint health depends on accurate diagnosis, appropriate rehabilitation, and activity modification following ligament injuries.