Treadmill Harness
Adjustable bodyweight support harness system for rodent treadmill training, featuring Velcro vest design with weight support springs for gait rehabilitation and motor function research.
Louise Corscadden, PhD
Director of Science · ConductScience
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Key Specifications
Full details →- Model fit
- Mouse, Rat
- SKU family
- CS-958338
- Sizing
- 65.0 x 36.0 x 27.0 cm
- Ordering
- Online checkout and quote request available
- Category
- Behavioral Mazes
- Build notes
- fabric, Metal
The Treadmill Harness is a bodyweight support system designed for rodent gait training and rehabilitation research. The harness consists of a fabric vest with Velcro straps featuring two limb holes, equipped with adjustable metal clamp systems and weight support springs that allow researchers to provide partial weight bearing during treadmill locomotion studies. The system attaches to subjects at rostral and caudal points using alligator clips, enabling precise control of weight support levels during motor function assessments.
This apparatus supports investigation of gait rehabilitation strategies, spinal cord injury recovery, and neuromotor function in rodent models. The adjustable spring mechanism permits systematic manipulation of bodyweight support percentages, while the vest design accommodates both quadrupedal and bipedal training protocols. The harness enables researchers to study locomotor adaptation, motor learning, and rehabilitation outcomes under controlled weight-bearing conditions that simulate clinical bodyweight support interventions used in human physical therapy.
How It Works
The Treadmill Harness operates on the principle of partial bodyweight support, mechanically unloading a portion of the subject's weight through an adjustable spring system. The fabric vest distributes support forces across the torso while maintaining natural limb movement through strategically positioned holes. Weight support springs provide controlled upward force that can be calibrated to specific percentages of bodyweight unloading, allowing researchers to systematically reduce gravitational loading during locomotion.
The dual attachment point design (rostral and caudal) ensures stable positioning and prevents rotation during treadmill movement. Alligator clips provide secure connection to the overhead support mechanism while allowing vertical movement accommodation. This configuration maintains the subject's natural center of mass while reducing the effective weight bearing load on the limbs, enabling investigation of locomotor patterns under various loading conditions that simulate different stages of rehabilitation or degrees of motor impairment.
Features & Benefits
harness_design
- vest with Velcro straps
attachment_mechanism
- alligator clips
weight_support_adjustment
- adjustable weight support springs
limb_holes
- two holes for limbs
training_type
- bipedal training capable
clamp_system
- adjustable metal clamp systems
attachment_points
- rostral and caudal ends
Behavioral Construct
- Motor Function
- Locomotion
- Gait Analysis
Automation Level
- manual
Material
- fabric
- Metal
Species
- Mouse
- Rat
Research Domain
- Addiction Research
- Behavioral Pharmacology
- Motor Function
- Neurodegeneration
- Neuroscience
- Pain Research
Compatible Tracking Software
- ConductVision
Weight
- 6.06 kg
Dimensions
- L: 65.0 mm
- W: 36.0 mm
- H: 27.0 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Weight Support Mechanism | Adjustable spring-based system | Counterweight or pneumatic systems in higher-end models | Springs provide consistent force throughout the movement range without requiring complex pulley systems or compressed air. |
| Attachment Design | Dual-point attachment (rostral and caudal) | Single-point chest or pelvic attachment systems | Dual attachment prevents rotation and provides more stable weight distribution during locomotion. |
| Vest Configuration | Fabric vest with two limb holes and Velcro straps | Simple strap or sling designs | Vest design distributes pressure more evenly and accommodates various subject sizes while maintaining comfort. |
| Training Modes | Both quadrupedal and bipedal training capable | Systems limited to quadrupedal support only | Flexible configuration allows investigation of different locomotor training paradigms within the same system. |
| Attachment Hardware | Alligator clips with adjustable metal clamps | Fixed mounting or hook-based connections | Quick-release clips enable rapid subject changes while adjustable clamps accommodate different treadmill configurations. |
| Setup Requirements | Manual spring tension adjustment | Automated weight compensation in advanced systems | Simple mechanical design reduces maintenance requirements and provides reliable operation without electronic components. |
This harness system emphasizes reliability and ease of use through its spring-based weight support mechanism and dual-attachment vest design. The mechanical operation eliminates electronic complexity while providing consistent weight support across various locomotor training protocols.
Practical Tips
Use known weights to calibrate spring tension before each experimental series, documenting the compression distance for each weight support percentage.
Why: Ensures consistent and reproducible weight support levels across subjects and sessions.
Clean and dry all fabric components thoroughly after each use to prevent odor accumulation and material degradation.
Why: Maintains hygienic conditions and extends the lifespan of the vest materials.
Allow subjects 2-3 habituation sessions with the vest before beginning weight-supported locomotion training.
Why: Reduces stress responses and allows natural gait patterns to emerge during experimental sessions.
If subjects show altered gait patterns, verify that limb holes are properly positioned and vest is not restricting natural movement.
Why: Ensures that observed gait changes reflect experimental manipulations rather than equipment-induced artifacts.
Monitor and record actual weight support achieved during sessions, as spring tension can vary with repeated use.
Why: Maintains accurate experimental records and enables proper interpretation of locomotor performance changes.
Never exceed the recommended weight capacity of the spring system and always have a spotter present during initial training sessions.
Why: Prevents equipment failure and ensures subject safety during adaptation to the support system.
Start with minimal weight support (10-20%) and gradually increase unloading as subjects adapt to the training protocol.
Why: Allows natural adaptation while maximizing the therapeutic or experimental benefits of progressive weight support training.
Inspect alligator clips regularly for proper spring tension and replace if grip strength becomes insufficient.
Why: Prevents unexpected disconnection during locomotion training that could cause injury or data loss.
Setup Guide
What’s in the Box
- Treadmill harness vest with Velcro straps
- Adjustable weight support spring assembly
- Metal clamp system components
- Alligator clip attachment hardware
- Additional securing straps for bipedal configuration
- Setup and operation manual (typical)
- Calibration weight set (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship, with technical support for setup and operation guidance.
Compliance
What weight support range can this harness provide for different sized rodents?
The adjustable spring system accommodates various weight support levels, though specific percentage ranges depend on subject weight and spring calibration. Consult product datasheet for weight capacity specifications and recommended calibration procedures.
How do I ensure consistent weight support levels across experimental sessions?
Document initial spring tension settings during calibration and use the same settings for all subjects within an experimental group. Verify weight support using calibration weights before each session to maintain consistency.
Can the harness accommodate both quadrupedal and bipedal training protocols?
Yes, the system includes additional straps that can be configured to restrict forelimb movement for bipedal training while maintaining hindlimb freedom of movement during treadmill locomotion.
What maintenance is required for the spring and clamp systems?
Regularly inspect springs for consistent tension and clean metal components to prevent corrosion. Check Velcro straps for wear and replace if securing capability is compromised. Lubricate clamp mechanisms periodically for smooth adjustment.
How does this compare to counterweight-based bodyweight support systems?
Spring-based systems provide more consistent support force throughout the range of vertical movement compared to counterweight systems, which can vary with pulley friction and cable stretch. Springs also require less overhead clearance and setup space.
What treadmill belt speeds are appropriate when using the harness?
Start with low speeds (0.1-0.3 m/s) to allow subjects to adapt to the weight support, then gradually increase according to your protocol. Monitor gait quality and subject comfort when adjusting speed parameters.
Can multiple harnesses be used simultaneously on wider treadmills?
The modular clamp design allows installation of multiple harness systems on wider treadmill platforms, though ensure adequate spacing to prevent interference between subjects during locomotion training.
How do I minimize stress responses during initial harness training?
Introduce the vest gradually through habituation sessions without weight support, then progressively add minimal unloading while providing positive reinforcement. Monitor stress indicators and adjust training duration accordingly.
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