MORPHOLOGIC AND BIOMECHANICAL COMPARISON OF TENDONS USED AS FREE GRAFTS
MORPHOLOGIC AND BIOMECHANICAL COMPARISON OF TENDONS USED AS FREE GRAFTS
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DOI：
10.1016/0363-5023(93)90249-3
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发表时间：
1993-01-01
影响因子：
1.9
通讯作者：
WOO, SLY
中科院分区：
文献类型：
--
作者：
CARLSON, GD;BOTTE, MJ;WOO, SLY
从尸体四肢获取掌长肌腱 (n = 10)、跖肌腱 (n = 11) 和趾长伸肌腱 (n = 10)，用于形态学和生物力学比较。还从食指采集了 11 根指深屈肌腱，用于比较游离移植肌腱与典型指屈肌腱的生物力学特性。通过测量、激光测微和拉伸测试确定最大肌腱长度、横截面积、体积、刚度和弹性模量。跖肌和趾长伸肌产生的移植物最长，分别为 334 毫米和 325 毫米，而掌长肌仅产生 161 毫米的长度。横截面积如下：掌长肌，3.1mm2；跖肌，1.4 mm2；趾长伸肌，3.3 mm2；和指深屈肌，10.6 mm2。平均体积如下：掌长肌，529 mm3；跖肌，557 mm3；和趾长伸肌，1006 mm3。掌长肌和趾长伸肌的刚度分别为 42.0 和 47.8 N/mm，而跖肌的刚度为 25.5 N/mm。然而，指深屈肌表现出比所有移植肌腱明显更大的刚度。弹性模量范围为1161.6至1673.0 MPa，测试的筋之间没有显着差异。本研究的结果提供的数据可能有助于选择游离肌腱移植的特定供体。
The palmaris longus (n = 10), plantaris (n = 11), and extensor digitorum longus (n = 10) tendons were harvested from cadaver limbs for morphologic and biomechanical comparisons. Eleven flexor digitorum profundus tendons from the index finger were also harvested for comparison of biomechanical properties of the free graft tendons with those of a typical digital flexor. Maximal tendon length, cross-sectional area, volume, stiffness, and modulus of elasticity were determined by measurement, laser micrometry, and tensile testing. The plantaris and extensor digitorum longus yielded the longest grafts, 334 and 325 mm, respectively, compared with the palmaris longus, which yielded only 161 mm of length. Cross-sectional areas were as follows: palmaris longus, 3.1 mm2; plantaris, 1.4 mm2; extensor digitorum longus, 3.3 mm2; and flexor digitorum profundus, 10.6 mm2. Mean volumes were as follows: plamaris longus, 529 mm3; plantaris, 557 mm3; and extensor digitorum longus, 1006 mm3. The palmaris longus and the extensor digitorum longus showed greater stiffness, 42.0 and 47.8 N/mm, respectively, than the plantaris, which had a stiffness of 25.5 N / mm. However, the flexor digitorum profundus showed significantly greater stiffness than all of the graft tendons. The modulus of elasticity ranged from 1161.6 to 1673.0 MPa, with no significant difference between tendons tested. The findings in this study provide data that may be useful in the selection of a specific donor for free tendon grafting.