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Cited by 289

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Habitual loading results in tendon hypertrophy and increased stiffness of the human patellar tendon

Couppé, C., Kongsgaard, M., Aagaard, P., Hansen, P., Bojsen-Moller, J., Kjaer, M., Magnusson, S. P.·2008·Journal of Applied Physiology

Abstract

The purpose of this study was to examine patellar tendon (PT) size and mechanical properties in subjects with a side-to-side strength difference of ≥15% due to sport-induced loading. Seven elite fencers and badminton players were included. Cross-sectional area (CSA) of the PT obtained from MRI and ultrasonography-based measurement of tibial and patellar movement together with PT force during isometric contractions were used to estimate mechanical properties of the PT bilaterally. We found that distal tendon and PT, but not mid-tendon, CSA were greater on the lead extremity compared with the nonlead extremity (distal: 139 ± 11 vs. 116 ± 7 mm 2; mid-tendon: 85 ± 5 vs. 77 ± 3 mm 2; proximal: 106 ± 7 vs. 83 ± 4 mm 2; P < 0.05). Distal tendon CSA was greater than proximal and mid-tendon CSA on both the lead and nonlead extremity ( P < 0.05). For a given common force, stress was lower on the lead extremity (52.9 ± 4.8 MPa) compared with the nonlead extremity (66.0 ± 8.0 MPa; P < 0.05). PT stiffness was also higher in the lead extremity (4,766 ± 716 N/mm) compared with the nonlead extremity (3,494 ± 446 N/mm) ( P < 0.05), whereas the modulus did not differ (lead 2.27 ± 0.27 GPa vs. nonlead 2.16 ± 0.28 GPa) at a common force. These data show that a habitual loading is associated with a significant increase in PT size and mechanical properties.

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Metadata

Authors
Couppé, C., Kongsgaard, M., Aagaard, P., Hansen, P., Bojsen-Moller, J., Kjaer, M., & Magnusson, S. P.
Venue
Journal of Applied Physiology
Published
2008-09
Volume
105
Issue
3
Pages
805-810
ISSN
  • 0161-7567 (ISSN-L)
  • 8750-7587
  • 1522-1601
OpenAlex
W2030311483
Cited by
289
References
3
FWCI
7.16
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Habitual loading results in tendon hypertrophy and increased stiffness of the human patellar tendon. https://app.cochat.ai/papers/10.1152/japplphysiol.90361.2008
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Couppé, C., Kongsgaard, M., Aagaard, P., Hansen, P., Bojsen-Moller, J., Kjaer, M., & Magnusson, S. P. (2008). Habitual loading results in tendon hypertrophy and increased stiffness of the human patellar tendon. Journal of Applied Physiology. https://doi.org/10.1152/japplphysiol.90361.2008

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