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Design of a cosmetic glove stiffness compensation mechanism for toddler-sized hand prostheses

Fig 4

Stiffness characteristics of a prosthesis fitted with different gloves.

Showing the average fit (black) compared to the range of different fits (grey) for all types of glove material, as well as for the ungloved prosthesis. The area beneath the loading curve is equal to required input energy (Ein), area enclosed by both curves is equal to the hysteresis (Ehyst). Average energy values are for PVC (Otto Bock): Ein = 833 Nmm, Ehyst = 259 Nmm, for silicone (Otto Bock): Ein = 277 Nmm, Ehyst = 105 Nmm, for coated silicone (Regal): Ein = 388 Nmm, Ehyst = 133 Nmm.

Fig 4