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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: J Hand Ther. 2015 Jan 22;28(2):144–150. doi: 10.1016/j.jht.2015.01.004

Fig. 3.

Fig. 3

Four springs used for a pediatric version of the Strength-Dexterity Test.35 Note the SD Test shown is a particular instance of the SD paradigm (Figure 4). In this SD Test, miniature load cells mounted on either end of the spring over plastic end caps. The compression requires force magnitudes < 3 N. The task requires a two-finger palmar pinch or a lateral pinch to compress and hold the spring at the maximal compression force without buckling. Permission to reprint from Dayanidhi et al.37 was received.