Fig 1.
Illustration of ground reaction force parameters during isometric mid-thigh pull.
Table 1.
Force metrics (mean ± standard deviation) and statistical results.
Fig 2.
Force metrics (RFDs and peak force) for control and mental fatigue conditions.
Mean ± standard deviation of rate of force development (RFD) across three intervals (RFD100, RFD200, RFD2080) and peak force under control (C1) and mental fatigue (C2) conditions. Significant differences are indicated (*, p < 0.05). RFD is reported in N·s − 1 and peak force in N.
Table 2.
Median EMG frequency values (mean ± standard deviation) and statistical results.
Fig 3.
EMG median frequency for rectus femoris and medial gastrocnemius muscles across conditions.
Mean ± standard deviation of EMG median frequency for rectus femoris (RF) and medial gastrocnemius (MG) during five time intervals (0-1 s, 1-2 s, 2-3 s, 3-4 s, 4-5 s) under control (C1) and mental fatigue (C2) conditions. A significant difference is indicated (*, p < 0.05) for RF in the 0–1 s interval. EMG median frequency is reported in Hz.