RodentLimb

Analyze mouse movement with on-device AI. Seven research assays, visual event review, adjustable parameters and structured exports. Private, offline and open source.

Mouse videos into quantitative behavior measurements—entirely on your iPhone or iPad.

RodentLimb uses on-device AI to track the paws, nose, mouth and tail base of a mouse, then turns its movements into research-ready measurements. Review the original video, adjust analysis settings, compare experimental groups and export structured results. No account or cloud processing is required.

SEVEN RESEARCH ASSAYS

TAIL SUSPENSION • Immobility duration, percentage, latency and bouts • Movement over time, tail-climbing flags and estimated hindlimb clasping

CYLINDER TEST • Left, right and bilateral forepaw wall contacts • Rearing, forepaw-use asymmetry and lesion-relative measures • Replay and manually relabel detected contacts

GAIT ANALYSIS • Stride length and frequency, walking speed, stance and swing • Duty factor, base of support and interlimb coordination • Footfall patterns, variability and speed-matched measurements

ITCH / SCRATCHING • Candidate scratching bouts, duration, latency and time course

SPONTANEOUS PAIN • Candidate paw licking, biting and flinching events • Time-course and phase-based summaries

SELF-GROOMING • Candidate grooming bouts, duration and body-region patterns

SEIZURE SCORING • Candidate motor seizure events, timing and estimated stage

DESIGNED FOR RESEARCH • Choose a task, define groups and timepoints, and import recordings • Select a pose model for visible-light or near-infrared recordings • Inspect keypoint overlays and review events frame by frame • Edit detected event labels and adjust analysis parameters without rerunning pose estimation • Compare individual animals and group summaries • Export measurements, events, keypoints and methods information

PRIVATE AND TRANSPARENT • AI inference runs on-device • No account, analytics or video upload • Public source code and documented measurement methods • English and Simplified Chinese interface

RESEARCH USE ONLY All automated measurements are estimates. Accuracy depends on the recording setup and pose quality. The itch, pain, grooming and seizure assays are exploratory and have not yet been validated against manual scoring of real videos. Review detected events and validate performance on your own data before scientific interpretation.

One mouse per recording. Requires iOS 17 or later.