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Table 2 Sperm kinematic parameter measurements* (average ± SD) captured at 50 frames/second

From: Sperm structure and motility in the eusocial naked mole-rat, Heterocephalus glaber: a case of degenerative orthogenesis in the absence of sperm competition?

Parameter Measurement
Motility (%) 7.3 ± 6.7
Concentration (×106/ml) 43.0 ± 45.2
VCL (μm/s) 35.5 ± 6.7
VSL (μm/s) 16.3 ± 6.3
VAP (μm/s) 26.1 ± 5.9
LIN (%) 44.4 ± 9.5
STR (%) 60.6 ± 10.8
WOB (%) 73.0 ± 4.4
ALH (μm) 0.5 ± 0.4
BCF (Hz) 4.9 ± 5.3
  1. *Data are combined for breeders, subordinates and dispersers.
  2. VCL = curvilinear velocity, VSL = straight-line velocity, VAP = average path velocity, LIN = linearity, STR = straightness, WOB = wobble, ALH = amplitude of lateral head displacement, BCF = beat cross frequency.