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Tendons and LigamentsTendons and Ligaments
Tendons-muscle to boneTendons-muscle to bone Ligaments-bone to boneLigaments-bone to bone
Collagen (E~600 MPa, fails at 4% Collagen (E~600 MPa, fails at 4% strainstrain
Tendon (load-deform. curveTendon (load-deform. curve
Biology of stress/strain curveBiology of stress/strain curve
Reconstruction of LigamentsReconstruction of Ligaments
Reconstruction--OAReconstruction--OA
100 patients-53 okay, 34 mild OA, 12 moderate OA, 1 severe OA
Hooke’s Law??? NOHooke’s Law??? NO
When can we use Hooke’s Law (When can we use Hooke’s Law (σσ=E=Eεε))– Linear elasticLinear elastic
• Strain proportional to stressStrain proportional to stress
• Instantaneous responseInstantaneous response
• Perfect storage of energyPerfect storage of energy
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