Physical examination maneuver

Physical Exam

Knee Strength

🎬
Video coming September 2026

How to Perform

Test knee flexion and extension against resistance, comparing sides. Stabilize the thigh and apply steady resistance through the range or at a set position, grading the strength and noting any pain or give-way weakness.

How to Interpret

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References

  • Bertilson BC. Assessment of nerve involvement in the lumbar spine: agreement between magnetic resonance imaging, physical examination and pain drawing findings. BMC Musculoskelet Disord. 2010;11:202. PMID: 20831785.
  • Al Nezari NH, Schneiders AG, Hendrick PA. Neurological examination of the peripheral nervous system to diagnose lumbar spinal disc herniation with suspected radiculopathy: a systematic review and meta-analysis. Spine J. 2013 Jun;13(6):657-674. doi:10.1016/j.spinee.2013.02.007. PMID 23499340.
  • Bickley LS, Szilagyi PG, Hoffman RM, Soriano RP. Bates' Guide to Physical Examination and History Taking. 13th ed. Philadelphia, PA: Wolters Kluwer; 2021.
  • Swartz MH. Textbook of Physical Diagnosis: History and Examination. 9th ed. Philadelphia, PA: Elsevier; 2025.

Related Systems / Regions

Lower ExtremitiesMusculoskeletal

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