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Repetitive strain-versus-time curve obtained under the steep mode procedure. (a) Hyperextensible and hyperelastic skin. (b) Skin with increased resistance to recovery after skin deformation. (c) Linear increase in MD and RD with successive cycles. (d) Aspects of 2 series of 3 cycles of suction. MD values are similar, while the RD are higher in the second series (b) than in the initial one (a).
