Table 1.  Pre-exercise values of indices of electrostimulation-induced contractions of quadriceps muscle and MVCF in men (n=11). Data are means (±SD).

Pt (N)

Ct (ms)

Rt (ms)

P20 (N)

P100 (N)

P20/P100

MVCF (N)

 Height of DJ (cm)

79.7 (27.8)

 78.5 (9.7)

58.4 (13.9)

 274.7 (21.1)

319.4 (76.2)

.88 (.11)

596.2 (23.4)

40.2 (10.1)
Pt, P20 and P100 – muscle contraction force evoked by stimulating quadriceps muscle at 1 Hz, 20 Hz and 100 Hz frequencies. Ct – Pt contraction time; Rt – relaxation to half Pt time; MVCF – maximum voluntary contraction force; Height of DJ – height of drop jumps.