Table 6.

Peak concentric force data (N)

	CT	P	S	SCF
Set 1	2256.5 ± 290.3	2295.1 ± 281.6	2287.8 ± 286.2	2328.8 ± 306.5
Set 2	2232.6 ± 276.9	2262.0 ± 296.4a	2265.9 ± 283.2	2301.0 ± 289.7
Set 3	2217.4 ± 249.5	2249.4 ± 272.0a	2252.7 ± 259.0a	2277.1 ± 283.6ab
Set 4	2207.0 ± 254.8a	2224.5 ± 270.8a	2251.9 ± 280.7a	2262.0 ± 287.0ab
Set 5	2184.1 ± 258.4ab	2208.4 ± 251.9abc	2224.9 ± 267.8ab	2227.5 ± 268.6abcd
Set 6	2175.3 ± 252.9ab	2170.9 ± 240.4abcde	2209.7 ± 244.0abc	2214.3 ± 241.6abcd
Mean	2212.1 ± 258.0	2235.0 ± 266.7	2248.8 ± 266.9	2268.5 ± 277.1

Values are mean ± SD

Key: CT Control protocol, P Placebo treatment, S p-synephrine treatment, SCF p-synephrine plus caffeine treatment

^a – P ≤ 0.05 from set 1; ^b – P ≤ 0.05 from set 2; ^c – P ≤ 0.05 from set 3; ^d – P ≤ 0.05 from set 4; ^e – P ≤ 0.05 from set 5