期刊
JOURNAL OF BIOMECHANICAL ENGINEERING-TRANSACTIONS OF THE ASME
卷 137, 期 11, 页码 -出版社
ASME
DOI: 10.1115/1.4031571
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资金
- National Institute of Health (NIH) [R01 EB016422, R01 AR057836]
- National Space Biomedical Research Institute (NSBRI) [NSBRI-RFA-13-01]
Several features of the tendon-to-bone attachment were examined allometrically to determine load transfer mechanisms. The humeral head diameter increased geometrically with animal mass. Area of the attachment site exhibited a near isometric increase with muscle physiological cross section. In contrast, the interfacial roughness as well as the mineral gradient width demonstrated a hypoallometric relationship with physiologic cross-sectional area (PCSA). The isometric increase in attachment area indicates that as muscle forces increase, the attachment area increases accordingly, thus maintaining a constant interfacial stress. Due to the presence of constant stresses at the attachment, the micrometer-scale features may not need to vary with increasing load.
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