Dynamometers
Dynamometers — Clinical & Athletic Force Measurement from $500 to $17,990
Peak Primal Wellness carries dynamometers from Activebody, ErgoFET, Kinvent, Lafayette, and MicroFET, covering everything from compact handheld units to full multi-sensor assessment bundles. Prices run from $500 for an entry-level digital dynamometer up to $17,990 for a comprehensive rehabilitation and force assessment system.
This category serves physical therapists, sports performance coaches, occupational therapists, and serious strength researchers who need repeatable, objective force data rather than subjective estimates. The right choice depends on whether you need a single measurement channel or a networked system that logs EMG, force plates, and range of motion simultaneously, so it helps to map out your testing workflow before selecting.
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Dynamometers Buying Guide: Three Decisions
Answer these in order and the shortlist writes itself.
Match Measurement Capacity to Your Testing Population
General Clinical Use: A 150 to 300 lb range covers most muscle groups tested in physical and occupational therapy settings, including large lower-body groups on adult patients.
Elite Sport Science: High-force testing on athletes, particularly for hip extension and knee extension, benefits from units at the upper end of the capacity range, such as the 300 lb ErgoFET MMT.
Decide Whether Stand-Alone or Software-Connected Operation Fits Your Workflow
Stand-Alone Devices: Units like the ErgoFET MMT at $1,401 display results on the device itself, which works well for clinicians who need a fast readout during a session without managing a connected app.
Software-Connected Systems: If you need to generate patient reports, track progress across sessions, or meet payer documentation requirements, a software-bundled option or a Kinvent wireless pack will reduce manual record-keeping significantly.
Multi-Sensor Packs: Kinvent packs combine dynamometry with EMG, force plates, and motion tracking in one app ecosystem, which is more efficient than managing multiple separate platforms.
Consider Portability and Clinical Space Requirements
Compact Handheld Units: Handheld dynamometers require no dedicated space and fit in a standard clinical bag, making them practical for practitioners who work across multiple locations or do bedside testing.
Force Plate Systems: Kinvent Evolution and Advanced packs include force plates that need adequate floor space during setup. The included carry bag makes transport manageable, but you should plan for a clear testing area of at least a few square feet.
Compare Dynamometers
| Model | Highlights | Price | ||
|---|---|---|---|---|
 MicroFET HandPINCH Digital Pinch
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MicroFET HandPINCH Digital Pinch Dynamometer with Clinic Software | MicroFET HandGRIP is ideal for routine screening and ongoing evaluations. Unit can perform four (4) grip tests: maximum, 5-position, rapid | $995 | Shop › |
 Kinvent K-Push Handheld Muscle
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Kinvent K-Push Handheld Muscle Strength Dynamometer | K-Push is a lightweight, versatile and connected hand-held dynamometer that's designed to deliver quick strength assessments on the go. It | $1,290 | Shop › |
 MicroFET HandGRIP Digital Grip
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MicroFET HandGRIP Digital Grip Dynamometer with Clinic and Data Software | MicroFET HandGRIP is ideal for routine screening and ongoing evaluations. Unit can perform four (4) grip tests: maximum, 5-position, rapid | $1,517 | Shop › |
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ErgoFET MMT Handheld Dynamometer
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ErgoFET MMT Handheld Dynamometer with Data Collection Software | ErgoFET MMT displays peak force and time duration. Pull attachments. Push and pull forces accurate to within 1%. 300 lb | $1,997 | Shop › |
 Kinvent Discovery Pack Strength
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Kinvent Discovery Pack Strength & Range-of-Motion Assessment System | The perfect introduction to Kinvent technology, the Discovery Pack includes the K-Push, K-Pull, and K-Move - offering essential tools for | $3,490 | Shop › |
 Kinvent Physio Sports Pack
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Kinvent Physio Sports Pack Connected Performance Assessment System | The Physio Sport Pack includes the entire range of Kinvent biofeedback devices in a single pack to offer you a | $10,290 | Shop › |
Key Benefits of Dynamometers
Objective Data Replaces Guesswork
Dynamometers convert muscle force output into numbers that can be documented, compared, and tracked over time. This shifts clinical assessment from impression-based grading to quantifiable measurement that supports better treatment decisions and clearer communication with patients.
Faster Return-to-Sport Decisions
Sport science teams using dynamometers can calculate limb symmetry indices and compare an athlete's tested values against their own baseline or population norms. That evidence-based comparison removes much of the uncertainty from return-to-play clearance, which benefits both the athlete and the practitioner making the call.
Repeatable Testing Across Sessions
The clinical value of a dynamometer multiplies when you use the same device, same testing position, and same protocol across multiple sessions. Consistent methodology with a calibrated unit produces trend data that reveals whether a rehabilitation program is actually working.
Scalable Assessment Capabilities
Starting with a handheld dynamometer and adding sensors over time is realistic with modular systems like Kinvent, where each pack builds on the last. Practices can begin at $590 for a single grip device and scale to a $13,990 comprehensive system as patient volume and assessment complexity grow.
Brands in This Category
Space and Placement
Measure twice. These are the numbers that cause returns.
Maximum Force Capacity
The ErgoFET MMT and ErgoFET500 series top out at 300 lb of push and pull force measurement, which is sufficient for testing the largest muscle groups in clinical and athletic populations.
Force Measurement Accuracy
ErgoFET dynamometers publish a 1% accuracy specification for push and pull forces, a benchmark that satisfies clinical documentation standards and supports research-grade data integrity.
Entry-Level Wireless Grip Testing
The Kinvent K-Grip Digital Hand Dynamometer enters at $590, making wireless, app-connected grip and pinch strength testing accessible without a large upfront investment in a full assessment system.
Ownership: Delivery, Install, Warranty and Care
Shipping & Freight
Handheld dynamometers and compact sensor bundles typically ship via standard ground carriers and arrive within 2 to 4 weeks depending on stock and destination. Larger Kinvent packs that include force plates may require additional handling time. Shipping costs vary by product and are calculated at checkout rather than built into the listed price.
Setup & Installation
Handheld dynamometers and wireless sensor packs require no permanent installation. Units arrive ready to use after pairing with the appropriate app or connecting to a laptop via USB where applicable. Force plates from Kinvent packs are portable and freestanding, needing only a flat, stable surface rather than any fixed mounting or electrical work.
Warranty & Support
Warranty terms vary by brand and model, so review the specific documentation for the unit you select before purchasing. ErgoFET and Kinvent both provide manufacturer warranty coverage, with details published in product documentation or available by contacting the manufacturer directly. Keeping the original packaging during the initial ownership period is practical if a warranty claim becomes necessary.
Care & Maintenance
After each session, wipe contact surfaces and attachment points with a low-moisture disinfectant wipe compatible with the device housing material. Avoid submerging any electronic components or exposing sensor ports to liquid. Store handheld dynamometers in a padded case or the provided bag when not in use, and check calibration periodically according to the manufacturer's recommended service interval.
Dynamometers FAQ
What is the best dynamometer?⌄
For most clinical practices, the ErgoFET MMT Handheld Dynamometer at $1,401 offers an excellent balance of 300 lb capacity, 1% accuracy, and portability. If you need multi-modal assessment including force plates and EMG, the Kinvent Evolution Pack at $8,390 or the Expert Pack at $13,990 are the strongest options. Single-discipline sport coaches often find the Kinvent K-Grip Digital Hand Dynamometer at $590 sufficient for grip and limb testing.
How do Activebody, ErgoFET, and Kinvent compare?⌄
Activebody focuses on accessible, dual-function tools that combine force and inclinometer measurement in a single compact device. ErgoFET specializes in high-accuracy push and pull dynamometers with optional clinical data collection software, making them a strong fit for occupational and physical therapy documentation. Kinvent takes a modular, wireless approach where individual sensors connect via app, allowing you to build from a basic grip tester up to a full multi-sensor assessment pack as your practice grows.
What capacity dynamometer do I need?⌄
Most handheld dynamometers in this collection handle 150 to 300 lb, which covers the full range of human muscle group testing including large lower-body muscle groups. The ErgoFET MMT tops out at 300 lb, which is sufficient for quad and hip extension testing on elite athletes. Only very specialized applications like industrial ergonomics or vehicle testing require capacities beyond that range.
Are hand dynamometers accurate enough for clinical documentation?⌄
Hand dynamometers that meet clinical documentation standards must have verified calibration and a defined accuracy specification. The ErgoFET MMT and ErgoFET500 both publish 1% accuracy for push and pull forces. Units like the Kinvent K-Grip are designed with clinical reproducibility in mind, but you should verify whether your specific payer or accreditation body requires a particular accuracy threshold or calibration certificate before purchase.
What is the difference between superflow dynamometers and handheld dynamometers?⌄
Superflow dynamometers are engine and powertrain testing instruments used in automotive and motorsport environments to measure torque and horsepower output. The dynamometers in this collection are medical and fitness grade force-measurement devices for human muscle testing. If you are searching for superflow dynamometers for vehicle testing, this is a different product category entirely.
Do any of these dynamometers work without a computer or app?⌄
Yes. The ErgoFET MMT Handheld Dynamometer at $1,401 operates as a fully stand-alone unit, displaying peak force and time duration on the device itself without requiring a connected device. The data collection software version at $1,997 adds that option without removing stand-alone functionality. The Kinvent sensors are primarily app-driven, so a compatible tablet or smartphone is recommended for full use.
What are chassis dynamometers and do you carry them?⌄
Chassis dynamometers are vehicle testing platforms that measure wheel horsepower and torque by rolling a car or motorcycle over driven rollers. They are used in performance tuning shops and emissions testing. Peak Primal Wellness does not carry chassis dynamometers. Our collection covers human performance and clinical force measurement devices for healthcare and sport science applications.
What is included in a Kinvent pack versus buying individual sensors?⌄
Kinvent packs bundle multiple wireless sensors at a reduced combined cost compared to purchasing separately. The Discovery Pack at $3,490 covers strength and range-of-motion tools. The Evolution Pack at $8,390 adds K-Force plates and a carry bag. The Advanced Pack at $10,290 includes EMG assessment alongside strength, motion, and force plate sensors. The Expert Pack at $13,990 is the most comprehensive bundle for full rehabilitation assessment workflows.
Can I use these dynamometers for return-to-sport testing?⌄
Return-to-sport protocols commonly rely on limb symmetry index calculations, which compare force output between injured and uninjured sides. Handheld dynamometers measure isometric force for specific muscle groups, and units that export data to software make it straightforward to track symmetry ratios over a rehabilitation timeline. The Kinvent packs are particularly well suited for this because their software supports side-by-side comparisons and session history.
Are dillon dynamometers available in this collection?⌄
Dillon dynamometers are a separate brand focused primarily on industrial force and tension measurement applications such as crane load testing and cable tension. Peak Primal Wellness does not carry Dillon dynamometers. The brands in this collection are Activebody, ErgoFET, Kinvent, Lafayette, and MicroFET, all of which are designed for clinical and athletic human performance measurement.
How do I calibrate a handheld dynamometer?⌄
Calibration procedures vary by manufacturer. ErgoFET and Kinvent both provide calibration guidance in their documentation, and some models support user-level zero calibration before each session. For formal clinical or research settings, periodic calibration against a certified reference weight is recommended. Check the specific product manual for service intervals and whether factory recalibration is available from the manufacturer.
What software options are available for dynamometer data collection?⌄
ErgoFET offers a data collection software package bundled with select models, including the ErgoFET MMT with Data Collection Software at $1,997 and the ErgoFET500 with Data Collection Software at $2,255. Kinvent uses a dedicated mobile app that works across all their wireless sensors, with the app supporting patient profiles, session comparisons, and PDF report export. Some ErgoFET units are also compatible with separately purchased clinical software packages.
