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. Author manuscript; available in PMC: 2019 Sep 23.
Published in final edited form as: Ergonomics. 2009 Dec;52(12):1568–1575. doi: 10.1080/00140130903287999

Figure 4.

Figure 4.

Comparison between measured and predicted push/pull forces (Fz) for the stable and unstable handles. Predicted push/pull forces were calculated using wrist extension/flexion strength and measured vertical force.