Table 1.

Maximum grip strength (second row) and maximum wrist flexion and extension strengths for different grip force levels with EMGs of the wrist flexor (FCR), wrist extensor (ECR), and finger flexors (FDS, FDP) (Mean ± SD, 6 males and 6 females’ data are pooled)

	Grip level	Grip force (N)	Wrist strength (Nm)	FCR (%)	ECR (%)	FDS (%)	FDP (%)
Max Grip	Max grip	337 ± 142
Wrist Flexion	Min	56 ± 54	9.1 ± 4.2	68 ± 18	11 ± 5	32 ± 16	64 ± 19
	30%	111 ± 57	9.1 ± 4.4	67 ± 17	11 ± 5	40 ± 16	62 ± 16
	Preferred	165 ± 115	10.6 ± 4.9	76 ± 17	12 ± 6	57 ± 25	76 ± 16
	60%	189 ± 81	10.4 ± 4.8	71 ± 20	12 ± 6	57 ± 20	68 ± 14
	Max	289 ± 125	12.2 ± 5.5	84 ± 12	13 ± 5	85 ± 16	90 ± 12
Wrist Extension	Min	38 ± 38	−6.6 ± 3.3	10 ± 7	75 ± 17	11 ± 5	12 ± 6
	30%	95 ± 42	−6.5 ± 3.6	14 ± 10	71 ± 16	14 ± 7	16 ± 8
	Preferred	102 ± 65	−6.4 ± 3.2	11 ± 8	79 ± 14	19 ± 9	17 ± 11
	60%	162 ± 77	−5.8 ± 2.5	21 ± 17	81 ± 11	28 ± 12	25 ± 11
	Max	181 ± 72	−6.0 ± 2.8	23 ± 21	85 ± 15	30 ± 16	28 ± 18