Normalized paw intensity *
A parameter obtained by normalising footprint luminance using animal weight and speed.

Mean intensity
Mean intensity of paw print.

Print area (cm²)
Area of paw print in cm².

Print max width (cm)
Maximum paw print width.

Print max height (cm)
Maximum paw print height.

Stride length (cm)
Distance traveled by paw during stride.

Path efficiency
Body path straightness, 1 = best.

Toe spreading (mm) *
Mean distance between digits.

Intermediate toe spreading (mm) *
Mean distance between mid digits.

Paw angle (deg) *
The angular deviation of the paw's longitudinal axis from the animal's body axis.

Step height FL-FR (cm)
Vertical distance between Front Left and Front Right paw steps.

Step width FL-FR (cm)
Lateral distance between Front Left and Front Right paw steps.

Step length FL-FR (cm)
Forward distance between Front Left and Front Right paw steps.

Step height FL-HL (cm)
Vertical distance between Front Left and Hind Left paw steps.

Step width FL-HL (cm)
Lateral distance between Front Left and Hind Left paw steps.

Step length FL-HL (cm)
Forward distance between Front Left and Hind Left paw steps.

Step height FL-HR (cm)
Vertical distance between Front Left and Hind Right paw steps.

Step width FL-HR (cm)
Lateral distance between Front Left and Hind Right paw steps.

Step length FL-HR (cm)
Forward distance between Front Left and Hind Right paw steps.

Step height FR-HL (cm)
Vertical distance between Front Right and Hind Left paw steps.

Step width FR-HL (cm)
Lateral distance between Front Right and Hind Left paw steps.

Step length FR-HL (cm)
Forward distance between Front Right and Hind Left paw steps.

Step height FR-HR (cm)
Vertical distance between Front Right and Hind Right paw steps.

Step width FR-HR (cm)
Lateral distance between Front Right and Hind Right paw steps.

Step length FR-HR (cm)
Forward distance between Front Right and Hind Right paw steps.

Step height HL-HR (cm)
Vertical distance between Hind Left and Hind Right paw steps.

Step width HL-HR (cm)
Lateral distance between Hind Left and Hind Right paw steps.

Step length HL-HR (cm)
Forward distance between Hind Left and Hind Right paw steps.

Sciatic Functional Index (SFI) *
A quantitative gait analysis metric used in preclinical research to assess motor function and nerve regeneration.

Median body area (cm²)
Median area of the body in cm².

Median body bounding box width (cm)
Median width of body bounding box.

Median body bounding box height (cm)
Median height of body bounding box.

Median tail area (cm²)
Median area of the tail in cm².

Median tail bounding box width (cm)
Median width of tail bounding box.

Median tail bounding box height (cm)
Median height of tail bounding box.

Number of steps
Number of steps by the paw during stance.

Stance time (s)
Duration of stance phase for paw in seconds.

Braking time (s)
Time spent braking by paw.

Propulsion time (s)
Time spent in propulsion phase by paw.

Step cycle time (s)
Time to complete a full step cycle for paw.

Duty cycle (%)
Fraction of time paw is in stance phase.

Stride time (s)
Time to complete a stride for paw.

First contact (s)
Time of first contact with ground by paw.

Cadence (hz)
Steps per second of paw.

Max speed variation (%)
Maximum variation in speed during movement.

Intensity cross-correlation score FL-FR
Normalized cross-correlation at lag 0 between FL and FR paw intensities, range [-1, 1].

Intensity cross-correlation score FL-HL
Normalized cross-correlation at lag 0 between FL and HL paw intensities, range [-1, 1].

Intensity cross-correlation score FL-HR
Normalized cross-correlation at lag 0 between FL and HR paw intensities, range [-1, 1].

Intensity cross-correlation score FR-HL
Normalized cross-correlation at lag 0 between FR and HL paw intensities, range [-1, 1].

Intensity cross-correlation score FR-HR
Normalized cross-correlation at lag 0 between FR and HR paw intensities, range [-1, 1].

Intensity cross-correlation score HL-HR
Normalized cross-correlation at lag 0 between HL and HR paw intensities, range [-1, 1].

Velocity (cm/s)
Overall velocity of the animal in cm/s.

Body direction angle (deg)
Angle of the animal's body orientation in degrees.

Mean tail laterality (a.u.)
Average directional preference of tail movements.

Tail flexibility (a.u.)
Degree of tail flexibility in arbitrary units.