Motorized treadmill system for rodent exercise training and motor function assessment, featuring variable speed (0-80 m/min), adjustable slope (0-25°), and optional shock grid motivation with single or 5-lane configurations.
Scientist guidance
Louise Corscadden, PhD
Director of Science · ConductScience
Ask Louise about Rodent Treadmill fit, setup, configuration, or quote prep.
...period was implemented for all mice, with the initial settings of the shock grid at 0.9 mA (Maze Engineers Automated Treadmill, Skokie, IL, USA), after which a progressive exercise training regimen was...
Maze Engineers, the maker named in the paper, is part of ConductScience.
The Treadmill is a specialized motor activity assessment system designed for controlled locomotion studies in laboratory research. This equipment enables precise evaluation of motor function, endurance capacity, and exercise responses in experimental subjects under standardized conditions.
The system provides a controlled platform for investigating gait patterns, motor coordination, and cardiovascular responses to exercise stimuli. Researchers utilize this equipment to assess baseline motor function, monitor disease progression in neurological models, and evaluate therapeutic interventions affecting locomotor performance.
How It Works
The Rodent Treadmill operates through a motorized belt system that forces animals to maintain locomotion at predetermined speeds and inclines. The ultra-quiet motor drives a textured belt surface that provides adequate grip while minimizing noise interference that could affect animal behavior. Speed control is achieved through precise electronic regulation, allowing researchers to implement graduated exercise protocols or maintain constant velocities for endurance testing.
The optional shock grid system employs mild electrical stimulation (0-4mA) to motivate continued locomotion when animals attempt to remain stationary. Current intensity is correlated with LED indicators for visual confirmation of stimulation levels. Individual lane separation using clear acrylic walls and non-reflective dividers prevents animal interaction while maintaining visual monitoring capabilities. The adjustable slope mechanism (0-25 degrees) enables investigation of exercise intensity effects and simulation of varied terrain conditions.
Independent lane control allows simultaneous testing of multiple subjects under identical or varied protocols, with separate counting systems tracking individual performance metrics. The system's construction materials (aluminum alloy frame with acrylic components) provide durability while enabling easy cleaning and maintenance between experimental sessions.
Features & Benefits
Variable speed control 0-80 m/min with 0.1 m/min increments
Enables precise protocol implementation from gentle locomotion to high-intensity exercise with fine-tuned speed adjustments for individual animal capabilities.
Adjustable slope 0-25 degrees
Allows investigation of exercise intensity effects and simulation of inclined terrain for comprehensive locomotor assessment.
Ultra-quiet motor system
Minimizes acoustic interference that could influence animal behavior or stress responses during testing protocols.
Textured belt surface
Provides consistent grip for reliable animal locomotion while preventing slipping that could confound motor function measurements.
Optional removable shock grid with 0-4mA adjustment
Delivers standardized motivation with precise current control, easily removable for cleaning or alternative motivation methods.
Independent lane control and counting
Enables simultaneous testing of multiple subjects with individualized protocols and separate performance tracking for each animal.
Clear acrylic walls with non-reflective separators
Maintains visual monitoring capabilities while preventing animal interaction and reducing visual distraction during testing.
5-lane to 3-lane rat conversion capability
Provides experimental flexibility to accommodate different species requirements within the same laboratory setup.
Research identifiers
These IDs come from NCBI Taxonomy. Use them in data records and methods sections.
Basic models often provide 5-50 m/min with 1 m/min steps
Fine speed control enables gradual conditioning protocols and precise exercise intensity studies.
Slope Adjustment
0-25 degree adjustable slope
Fixed horizontal position or limited 0-15 degree range
Extended slope range allows investigation of varied exercise intensities and terrain simulation.
Multi-Lane Configuration
1 or 5-lane options with independent control
Single lane or fixed multi-lane without individual control
Simultaneous testing increases throughput while maintaining individual protocol flexibility.
Motivation System Precision
0-4mA adjustable in 0.1mA increments with LED correlation
Fixed current levels or manual adjustment without indicators
Precise shock control enables standardized motivation protocols across animals and studies.
Species Flexibility
Mouse and rat configurations with conversion capability
Species-specific designs without conversion options
Laboratory flexibility accommodates different research models within one system investment.
Motor Noise Level
Ultra-quiet motor design
Standard motors with variable noise characteristics
Reduced acoustic interference prevents stress artifacts that could confound behavioral measurements.
This treadmill system offers precise speed and slope control with multi-lane flexibility for high-throughput motor function assessment. The combination of fine speed increments, standardized shock motivation, and species conversion capabilities provides comprehensive exercise protocol implementation for diverse research applications.
Model
SKU
Listed price
Status
Shipping box
Rat
5302
$5,990.00
Available
71.12 × 35.56 × 40.64 cm
Mouse
5301
$5,490.00
Available
30.48 × 71.12 × 43.18 cm
Rat
5306
$7,990.00
Available
90.17 × 82.55 × 43.18 cm
Mouse
5305
$6,990.00
Available
78.74 × 73.66 × 43.18 cm
Motor Function
Quantitative assessment of locomotor capabilities and gait patterns in rodent models of neurological disorders, measuring stride length, coordination, and endurance parameters.
Behavioral Pharmacology
Evaluation of drug effects on motor performance and exercise capacity, comparing locomotor function before and after pharmaceutical interventions.
Exercise Physiology
Implementation of standardized exercise training protocols to study cardiovascular adaptation, muscle conditioning, and metabolic responses to controlled physical activity.
Neurodegeneration
Longitudinal monitoring of motor decline in animal models of Parkinson's disease, ALS, and other neurodegenerative conditions through standardized locomotion tests.
Aging Research
Assessment of age-related changes in motor function and exercise tolerance, comparing young and aged animals under identical testing conditions.
Cardiovascular Research
Investigation of cardiac function responses to graded exercise protocols, measuring heart rate, blood pressure, and exercise capacity under controlled conditions.
Practical Tips
Calibration
Verify belt speed accuracy monthly using external measurement tools, particularly at commonly used protocol speeds.
Why: Speed drift can introduce systematic errors in exercise dosing and experimental reproducibility.
Maintenance
Clean the textured belt surface with mild detergent between animal sessions and inspect for wear patterns.
Why: Accumulated debris reduces grip effectiveness and wear patterns can create uneven running surfaces affecting gait analysis.
Best Practices
Begin new animals with 5-10 minute habituation sessions at low speeds without shock activation before implementing experimental protocols.
Why: Acclimation reduces stress-related confounds and establishes consistent baseline locomotor patterns for accurate assessment.
Troubleshooting
If animals consistently avoid specific lane areas, check for belt alignment issues or shock grid irregularities.
Why: Spatial avoidance often indicates mechanical problems that can bias locomotor measurements and compromise data quality.
Data Quality
Record environmental temperature and humidity alongside locomotor data, as thermal conditions affect animal exercise performance.
Why: Environmental variables significantly influence cardiovascular responses and exercise capacity, requiring documentation for proper data interpretation.
Safety
Always start shock current at minimum levels (0.1mA) and increase gradually while monitoring animal responses for signs of distress.
Why: Excessive stimulation can induce stress responses that confound motor function measurements and violate animal welfare guidelines.
Best Practices
Use consistent time-of-day testing schedules to control for circadian influences on locomotor activity and exercise performance.
Why: Circadian rhythms significantly affect motor coordination and cardiovascular responses, requiring temporal standardization for reproducible results.
Maintenance
Lubricate slope adjustment mechanisms quarterly and verify angle accuracy using precision measurement tools.
Why: Mechanical wear in slope systems can introduce angle errors that affect exercise intensity calculations and experimental validity.
Setup Guide
Unpack and Inspect
Remove the treadmill system from packaging and verify all components are present. Inspect the belt surface, lane dividers, and electrical connections for shipping damage.
Position and Level
Place the unit on a stable, level surface with adequate clearance for animal loading and observation. Ensure the 163V power connection is accessible and properly grounded.
Belt Alignment Check
Verify proper belt tracking and tension before first use. The textured belt should run smoothly without lateral movement or binding.
Shock Grid Installation
If using electrical motivation, install and connect the shock grid components. Set initial current to minimum (0.1mA) and verify LED correlation indicators function properly.
Speed Calibration
Test speed settings from minimum to maximum (0-80 m/min) to confirm accurate belt velocity. Verify 0.1 m/min increment precision using external measurement if required.
Slope Testing
Cycle through the full slope range (0-25 degrees) to ensure smooth operation and accurate angle positioning. Check that the mechanism locks securely at each setting.
Lane Independence Verification
For multi-lane units, confirm each lane operates independently with separate counting and control functions. Test simultaneous operation at different speeds if applicable.
Initial Animal Acclimation
Begin with habituation sessions at low speed (5-10 m/min) without electrical stimulation to establish baseline behavior patterns before implementing experimental protocols.
What’s in the Box
Treadmill main unit with motor system
Lane dividers and acrylic walls
Shock grid components (if applicable)
Power cable and electrical connections
User manual and operation guide
Speed calibration documentation (typical)
Cleaning and maintenance kit (typical)
Warranty
ConductScience provides a standard 1-year manufacturer warranty covering defects in materials and workmanship, with technical support for operation and maintenance procedures. Extended service plans and calibration services are available for long-term research applications.
Compliance
AAALAC International GuidelinesCommonly used in AAALAC-accredited facilities conducting animal research with standardized exercise and motor function protocols.
NIH Guide for Care and Use of Laboratory AnimalsSupports motor function assessment workflows in facilities following NIH guidelines for rodent research procedures.
IACUC Protocol RequirementsEquipment specifications and safety features facilitate IACUC protocol development for exercise physiology and motor function studies.
References
Background reading relevant to this product:
1.Dmitry V. Zaretsky et al. (2018) “Automatic analysis of treadmill running to estimate times to fatigue and exhaustion in rodents” PeerJdoi:10.7717/peerj.5017
2.Simone Marcuzzo et al. (2008) “Beneficial effects of treadmill training in a cerebral palsy-like rodent model: Walking pattern and soleus quantitative histology” Brain Researchdoi:10.1016/j.brainres.2008.05.042
3.William J. Mautz et al. (1985) “A rodent treadmill for inhalation toxicological studies and respirometry” Journal of Applied Physiologydoi:10.1152/jappl.1985.58.2.673
4.Zahra Achiou et al. (2015) “Sclerostin antibody and interval treadmill training effects in a rodent model of glucocorticoid-induced osteopenia” Bonedoi:10.1016/j.bone.2015.09.010
What is the maximum weight capacity for each lane configuration?
A
Consult product datasheet for specific weight limits. The system is designed for standard laboratory mice (20-40g) and rats (200-500g) with appropriate safety margins for dynamic loading during locomotion.
Q
Can the shock intensity be synchronized with speed changes during protocols?
A
The shock current (0-4mA) is manually adjustable with LED correlation, but automatic synchronization with speed changes requires external control systems or manual adjustment during protocols.
Q
How do you convert between mouse and rat configurations?
A
The 5-lane mouse system can be converted to accommodate 3 rats by replacing lane dividers and shock grids with appropriate dimensions. Conversion hardware is available separately.
Q
What data outputs are available for automated recording?
A
The system includes independent lane counting capabilities, but integration with data acquisition systems requires additional interface hardware for automated parameter logging.
Q
How frequently should the belt surface be replaced?
A
Belt replacement frequency depends on usage intensity and cleaning protocols. Monitor for texture wear that could affect animal grip, typically requiring replacement after 6-12 months of regular use.
Q
Can alternative motivation methods replace the shock grid system?
A
Yes, the shock grids are removable to accommodate alternative motivation such as air puffs, gentle mechanical stimulation, or positive reinforcement protocols while maintaining lane separation.
Q
What is the minimum speed resolution for gradual acceleration protocols?
A
The system provides 0.1 meter/minute increments across the full 0-80 m/min range, enabling gradual acceleration protocols with fine speed control for exercise conditioning studies.
Have a question about this product?
Each paper below used this product. Under each title is the paper’s own sentence naming the equipment it used.
Michelle Johannsen, Kristin O’Brien, S. Ryan Oliver · Journal of Comparative Physiology B · 2026
From the methods
The treadmill was equipped with lane boxes (Maze Engineers, 5 Lane Rat Treadmill, Skokie, IL) that permitted forward and backward movement to accommodate variations in pace.
Bruce A. Citron, Kathleen E. Murray, Alexander Lemenze et al. · Frontiers in Aging Neuroscience · 2026
From the methods
eExosome male donor rats aged 9–10 weeks were continuously monitored while running on a 5-lane treadmill that was equipped with both a light signal and a tail shock (MazeEngineers, Skokie, IL).
Bogna M Ignatowska-Jankowska, Lakshmipriya I Swaminathan, Tara H Turkki et al. · eNeuro · 2025
From the methods
...rim to track movement. TRM running tasks were conducted on a motorized single-lane treadmill (MazeEngineers), with markers attached to the belt at 20 cm intervals to monitor speed (Movie 5).
Artemiy Kovynev, Mikołaj M. Charchuta, Amina Begtašević et al. · American Journal of Physiology-Gastrointestinal and Liver Physiology · 2025
From the methods
Mice were trained on a rat treadmill with five lanes (MazeEngineers, Skokie, IL), allowing two to four cage mates to run together per lane, as previously described (13), with minor adjustments.
S. B. Manesh, B. R. Kondiles, S. Wheeler et al. · Journal of Neurochemistry · 2025
From the methods
Once awake, mice were moved to a variable speed rodent treadmill (Maze Engineers) surrounded by six evenly spaced infrared Vero cameras (Vicon Motion Systems, Oxford, UK) recording at 320 frames/second.
Morgan E Kim, Kathryn M Yammine, Emily T Hickey et al. · Human Molecular Genetics · 2025
From the methods
Additional mice were aged to ~ 11 months and subjected to a premortem treadmill test where they were run to exhaustion on an automated single belt rodent treadmill (Maze Engineers).
...period was implemented for all mice, with the initial settings of the shock grid at 0.9 mA (Maze Engineers Automated Treadmill, Skokie, IL, USA), after which a progressive exercise training regimen was...
...acclimatized to the treadmill for 3 days. Briefly, they were placed on an unmoving treadmill (Maze Engineers, Skokie, IL, USA) for 1–3 min and then allowed to run at a speed of 10 m/min.
Khanh V Doan, Timothy S Luongo, Thato T Ts'olo et al. · Nature Cardiovascular Research · 2024
From the methods
To evaluate exercise capacity and endurance, mice were run on a treadmill system (Maze Engineers: Treadmill 2009, Model No. MZ-3.0-8-52) with a stepwise accelerating protocol at 10° incline.
Sadi Loai · Thesis at University of Toronto · 2023
From the methods
All rats were placed on an exercise regime where the treadmill (Maze Engineers, USA) inclination was set at 12° and the speed started at a slow pace of 5 m/min for 2 minutes.
Sadi Loai, Xuetao Sun, Mansoor Husain et al. · Frontiers in Cardiovascular Medicine · 2022
From the methods
...3 post-induction (Table 1). In brief, rats were placed on an exercise regime where the treadmill (Maze Engineers, USA) inclination was set at 12° and the speed started at a slow pace of 5 m/min for 2 min.
Oleg V. Mamontov, Andrei A. Karpov, Sarkis M. Minasian et al. · IEEE Access · 2022
From the methods
In the first stage of the study, we assessed animals’ tolerance to physical exercises by the treadmill test performed on a 5-lane moving road (Maze Engineers, USA).
Milena Schönke, Zhixiong Ying, Artemiy Kovynev et al. · The FASEB Journal · 2022
From the methods
The mice were trained on a rat treadmill with five lanes (MazeEngineers, Skokie, Illinois), allowing 3–4 cage mates to run on one lane together which was observed to improve the motivation of the mice to run, when compared with solitary running.
Sadi Loai, Yu-Qing Zhou, Kyle D. W. Vollett et al. · Frontiers in Cardiovascular Medicine · 2021
From the methods
...at 3 months post-diabetes. All rats were placed on an exercise regime where the treadmill (Maze Engineers, USA) inclination was set at 12° and the speed started at a slow pace of 5 m/min for 2 min.
The Rodent Treadmill measures endurance and aerobic capacity by recording how far and how long a mouse or rat runs on a motorized belt before reaching exhaustion. Dougherty and colleagues described a simple high-throughput treadmill fatigue test that turned belt running into a quantitative fatigue-like behavior readout. 1
In a graded protocol the belt ramps in speed (and optionally incline) until the animal can no longer keep pace, and the apparatus records distance to exhaustion, time to exhaustion, and the maximal speed reached. Castro and Kuang detailed treadmill exhaustion testing as a standard measure of muscle and whole-animal performance. 1
Aversive-motivator calibration, acclimation, body weight, incline and speed ramp, and circadian timing all change running output independent of true endurance. A defensible protocol calibrates the rear motivator, acclimates animals, reports body weight, fixes the ramp and incline, and tests at a consistent time of day. 1
§ 2
Methods
2.1 Procedure
Graded speed-ramp running with calibrated motivation, exhaustion criteria, and body-weight-normalized output.
Pre-test setup
1.Acclimation and training: Acclimate animals to the stationary then slowly moving belt over consecutive days so the test reflects endurance rather than novelty or fear of the apparatus.
2.Motivator calibration: Calibrate the rear shock grid or air-puff motivator so it discourages drifting back without injuring the animal, and verify it across all lanes.
3.Define the protocol: Fix the speed-ramp schedule, the incline, the maximum run time, and the time of day before any data are collected.
4.Set exhaustion criteria: Pre-define exhaustion (for example, a set time on the shock grid or refusal to run despite encouragement) so the endpoint is objective and consistent across scorers.
Trial sequence
1.Weigh and load animals: Record body weight, then place each animal on its lane at the starting belt speed with the incline set.
2.Start the speed ramp: Begin the programmed ramp and record running distance and elapsed time as the belt accelerates.1
3.Log motivator contacts: Count shock-grid contacts or motivator triggers as a motivation and quality-control signal rather than an endurance measure.2
4.Apply exhaustion criteria: Stop the lane when the pre-defined exhaustion criterion is met and log distance and time to exhaustion plus the maximal speed reached.
5.Recover and reset: Remove the animal to a recovery cage, then clean the belt and grid to remove odor and urine before the next subject.
Critical methodological constraints
Motivator calibration. An over-strong or under-strong rear motivator changes running output independent of endurance. Calibrate so it discourages drifting without injuring the animal.2
Acclimation. Untrained animals confound endurance with fear of the belt. Acclimate over consecutive days before the test session.1
Body weight. Heavier animals run less distance independent of aerobic fitness. Report body weight and consider body-weight-normalized work.4
Ramp and incline consistency. Different speed ramps and inclines measure different things and have different sensitivity. Do not pool distances across ramp or incline settings.
2.2 Measurement & Analysis
Core treadmill endpoints for endurance, aerobic capacity, motivation, and quality control.
Distance To Exhaustion
Endurance
Total distance run before the exhaustion criterion is met, the standard endurance readout.2
Time To Exhaustion
Endurance duration
Elapsed running time until exhaustion, often reported alongside distance for graded ramps.1
Maximal Speed
Aerobic capacity proxy
Highest belt speed sustained before exhaustion, used as a practical proxy for aerobic capacity.4
Shock-Grid Contacts
Motivation QC
Count of rear-motivator contacts during the run; high counts flag a motivation problem rather than endurance.
Body-Weight-Normalized Work
Size-corrected output
Running work scaled to body mass, separating size effects from true aerobic output when groups differ in weight.
+ Additional metrics: body weight, incline, speed-ramp setting, time of day, recovery time, lane number, and per-run motivator notes.
2.3 running fraction (analysis)
A compact fraction of the session the animal spent running rather than on the rear motivator.
Formula: time running / (time running + time refusing or on grid) x 100. Interpret with body weight, motivator calibration, maximal speed, and ramp setting because a low fraction can reflect motivation rather than endurance. 1
2.4 sample-size planning
Estimate the N per group needed to detect a literature-anchored endurance effect at the endpoint you plan to report. Override the defaults with your own pilot numbers.
Conditioned vs deconditioned mouse on a graded ramp; representative magnitudes from Dougherty et al. (2016) treadmill fatigue test.2
Formula: n = 2 · ((zα/2 + zβ) / d)2, where d = |μ₁ − μ₂| / σ. Assumes equal allocation, normality, and homoskedasticity. The attrition cushion inflates total N by 1 / (1 − dropout); confirm with your IACUC.
§ 3
Results
3.1 Sample apparatus output
Representative output from a graded speed-ramp treadmill session with a calibrated rear motivator.
Synthetic example for illustration only. Pair distance with body weight, motivator contacts, and maximal speed before interpreting endurance differences.
§ 4
Discussion
Limitations of the paradigm, methodological caveats, and current directions.
4.1 Common confounds
Variables that can shift Rodent Treadmill results apart from the effect under study.
Aversive-motivator calibration
An over-strong or under-strong rear motivator (shock grid) changes running output independent of endurance.
Acclimation and training
Untrained animals confound endurance with fear of the moving belt. Acclimate over consecutive days so test-day output reflects fitness.
Body weight
Heavier animals run less distance independent of aerobic fitness, so weight should be reported and body-weight-normalized work considered.
Treadmill incline and speed ramp
Incline and ramp schedule set difficulty. Different settings measure different things, so the protocol must be held constant across groups.
Circadian timing
Activity and endurance vary across the light cycle. Test at a consistent time of day so circadian phase is not mistaken for a group difference.
Confound checklist
Tick the confounds your protocol addresses, then export a methods-paragraph blurb you can paste into your manuscript.
Preview exported markdown
4.2 Construct validity caveats
Rodent treadmill is strongest when the motivator, acclimation, speed ramp, incline, and body-weight reporting are fixed before testing. A single distance to exhaustion is a screening signal; confirm endurance differences with time to exhaustion, maximal speed, motivator-contact counts, and a second measure such as voluntary wheel running. 1
4.3 Special considerations
When should I use voluntary wheel running instead?
Use voluntary wheel running when the question is self-motivated activity over days without an aversive motivator. The treadmill is better for a graded, time-bounded endurance measure under a controlled speed ramp.
How do I set the exhaustion criterion?
Pre-define exhaustion objectively, for example a set time on the rear motivator or refusal to run despite encouragement, and apply it identically across all lanes and groups so the endpoint is consistent.
Should I report body weight?
Yes. Body weight is a major non-fitness driver of running distance and should be reported and, where groups differ in mass, analyzed via body-weight-normalized work or as a covariate.
4.4 Current directions
Quarterly editorial review of emerging Rodent Treadmill methodology. Q2 2026
Methods
Speed-ramp standardization
Calibrating the speed ramp and incline across rigs improves comparability of distance and time to exhaustion between labs and apparatus models.
Emerging
Metabolic integration
Sealed chambers with indirect calorimetry log VO2 and respiratory exchange during the run, extending endurance output toward aerobic-capacity measurement.
Methods
Body-weight-normalized work
Reporting body-weight-normalized work is increasingly expected because mass changes running distance independent of aerobic fitness.
Emerging
Multi-assay performance batteries
Treadmill is paired with grip strength, balance beam, and rotarod to separate endurance, strength, and coordination in the same cohort.
§ 5
Background references
6 selected methods and validation studies of the Rodent Treadmill, from any lab.
Castro B, Kuang S. Evaluation of muscle performance in mice by treadmill exhaustion test and whole-limb grip strength assay. Bio Protoc. 2017;7(8):e2237.doi:10.21769/BioProtoc.2237
Dougherty JP, Springer DA, Gershengorn MC. The treadmill fatigue test: a simple, high-throughput assay of fatigue-like behavior for the mouse. J Vis Exp. 2016;(111):54052.doi:10.3791/54052
Seo DY, Lee SR, Kim N, et al. Humanized animal exercise model for clinical implication. Pflugers Arch. 2014;466(9):1673-1687.doi:10.1007/s00424-014-1496-0
Hoydal MA, Wisloff U, Kemi OJ, Ellingsen O. Running speed and maximal oxygen uptake in rats and mice: practical implications for exercise training. Eur J Cardiovasc Prev Rehabil. 2007;14(6):753-760.doi:10.1097/HJR.0b013e3281eacef1
Billat VL, Mouisel E, Roblot N, Melki J. Inter- and intrastrain variation in mouse critical running speed. J Appl Physiol. 2005;98(4):1258-1263.doi:10.1152/japplphysiol.00991.2004
