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Figure 3 | BMC Musculoskeletal Disorders

Figure 3

From: Stochastic amplitude-modulated stretching of rabbit flexor digitorum profundus tendons reduces stiffness compared to cyclic loading but does not affect tenocyte metabolism

Figure 3

Experimental set-up of strain-controlled mechanical loading on mechanical testing machine (MTS) A. Conversion from digital to analog signals, 1: MATLAB generated signal (stochastic, high or RMS-cyclic signal is sent to NI-DAQ as a digital signal. 2: NI-DAQ converts digital to analog output. 3: The analog signal is scaled by the MTS control unit. Depending on the initial length of the specimen, the displacement is calculated in percentage strain. While the specimen is loaded, the control unit records the force reaction measured by the load cell (4). B. Construction detail of clamp. C-E. Set-up of strain control and force response measurement with live tendons. RMS = Root Mean Square.

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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