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. 2026 Jul 13;17:1783010. doi: 10.3389/fphys.2026.1783010

Table 3.

Associations between day-to-day variability in MFCVMAX and mechanical variables.

Interaction M F ST RA
MFCVMAX - MVF n.s n.s n.s n.s
MFCVMAX - Impulse R² = 0.60
p = 0.001
R² = 0.85
p = 0.0001
R² = 0.57
p = 0.007
R² = 0.69
p = 0.001
MFCVMAX - RFD0-XMAX R² = 0.60
p = 0.001
R² = 0.96
p < 0.0001
R² = 0.59
p = 0.005
R² = 0.87
p < 0.0001

F, female group; M, male group; MFCVMAX, maximal muscle fiber conduction velocity; RA, recreationally active group; RFD, rate of force development; ST, strength-trained group.