Parameter | Unit | Description |
---|---|---|
Motility | % | Total motility |
Concentration | Ă—106/ml | Number of spermatozoa |
VCL | ÎĽm/s | Curvilinear velocity along actual swimming path |
VSL | ÎĽm/s | Straight-line velocity along shortest path from start to end point |
VAP | ÎĽm/s | Average path velocity based on every 5th frame of VCL path |
LIN | % | Linearity of a curvilinear path, expressed as VSL/VCL |
STR | % | Straightness, expressed as VSL/VAP |
WOB | % | Wobble, expressed as VAP/VCL |
ALH | ÎĽm | Amplitude of lateral head displacement |
BCF | Hz | Beat cross frequency based on VCL crossing VAP per second |