Descriptors . | Units . | Description . |
---|---|---|
Curvilinear velocity (VCL) | μm s-1 | Velocity of progression along the entire trajectory |
Average path velocity (VAP) | μm s-1 | Velocity of progression along the smoothed trajectory |
Straight line velocity (VSL) | μm s-1 | Velocity of progression from first to last coordinates |
Beat cross frequency (BCF) | Hz | Frequency that the sperm head crosses the smoothed trajectory |
Amplitude of lateral head displacement (ALH) | μm | Mean lateral sperm head displacement along the smoothed trajectory |
Linearity of track (LIN) | % | VSL/VCL×100 |
Straightness of track (STR) | % | VSL/VAP×100 |
Descriptors . | Units . | Description . |
---|---|---|
Curvilinear velocity (VCL) | μm s-1 | Velocity of progression along the entire trajectory |
Average path velocity (VAP) | μm s-1 | Velocity of progression along the smoothed trajectory |
Straight line velocity (VSL) | μm s-1 | Velocity of progression from first to last coordinates |
Beat cross frequency (BCF) | Hz | Frequency that the sperm head crosses the smoothed trajectory |
Amplitude of lateral head displacement (ALH) | μm | Mean lateral sperm head displacement along the smoothed trajectory |
Linearity of track (LIN) | % | VSL/VCL×100 |
Straightness of track (STR) | % | VSL/VAP×100 |