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. 2022 Sep 6;30:36. doi: 10.1186/s12998-022-00445-1

Fig. 5.

Fig. 5

IDP during 30° of motorized flexion with and without manual contact. Intradiscal pressure (IDP) recordings from the L4-L5 disc during motorized flexion of 30° without manual contact (A) and with manual thumb contact applied cranialward to the L4 spinous (B). Note the additional ~ 1.4 kPa decrease in IDP with applied physical contact