Phalanx force angular deviation was significantly greater for stroke survivors compared with controls (ANOVA subject group main effect with p<.05) (effort levels, fingers, phalanges, and subjects pooled) (a), for both 50% and maximum grip effort (b), for all three phalanges (c), and especially for the thumb, index, and little fingers (ANOVA, subject group and finger interaction with p<.05, posthoc significance marked with stars) (d). Non-transformed mean ± SE data is shown in the figure.