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Quadriceps Function: AN ANATOMICAL AND MECHANICAL STUDY USING AMPUTATED LIMBS
Abstract
This anatomical, mechanical study demonstrated the following: 1. The only selective function attributable to the vastus medialis is patellar alignment. 2. The extensor lag accompanying knee lesions is a function of great loss in mechanical advantage of the quadriceps during the last 15 degrees of the extensor range, a 60 per cert increase in force being needed to complete extension. 3. The clinical prominence of the vastus medialis is related to the marked obliquity of the distal fibers, the lowness of the insertion, and the thinness of the fascial covering of this portion of the quadriceps. 4. Early atrophy of the vastus medialis prominence and loss of terminal extension after injury are indicative of general quadriceps weakness.
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Citations
Cited by
Skeletal Muscle Adaptability: Significance for Metabolism and Performance
Saltin, B., & Gollnick, P. D. (1983) · Comprehensive Physiology · doi:10.1002/cphy.cp100119 · Cited by 890
The Management of Chondromalacia Patellae: A Long Term Solution
McCONNELL, J. (1986) · Australian Journal of Physiotherapy · doi:10.1016/s0004-9514(14)60654-1 · Cited by 542
Biomechanical analysis of knee flexion and extension
Smidt, G. L. (1973) · Journal of Biomechanics · doi:10.1016/0021-9290(73)90040-7 · Cited by 511
Knee Injuries in Female Athletes
Hutchinson, M. R., & Ireland, M. L. (1995) · Sports Medicine · doi:10.2165/00007256-199519040-00006 · Cited by 278
Rehabilitation of Patellofemoral Joint Disorders: A Critical Review
Powers, C. M. (1998) · Journal of Orthopaedic & Sports Physical Therapy · doi:10.2519/jospt.1998.28.5.345 · Cited by 253
Metadata
- Authors
- LIEB, F. J., & PERRY, J.
- Venue
- The Journal of Bone & Joint Surgery
- Published
- 1968-12
- Volume
- 50
- Issue
- 8
- Pages
- 1535-1548
- ISSN
- 0021-9355 (ISSN-L)
- OpenAlex
- W2406528667
- Cited by
- 440
- References
- 0
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Quadriceps Function: AN ANATOMICAL AND MECHANICAL STUDY USING AMPUTATED LIMBS. https://app.cochat.ai/papers/10.2106/00004623-196850080-00003
- The paper
- LIEB, F. J., & PERRY, J. (1968). Quadriceps Function: AN ANATOMICAL AND MECHANICAL STUDY USING AMPUTATED LIMBS. The Journal of Bone & Joint Surgery. https://doi.org/10.2106/00004623-196850080-00003
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
