Once your payment has been received, your Eforto® device is prepared for packaging and shipment.

You’ll receive an email notification once your shipment is registered, containing the estimated delivery date and UPS tracking code so you can follow your package in the real time.

Delivery time depends on your location:

- Within Europe or the US: typically a few business days.

- Outside Europe or the US: delivery may take longer due to customs procedures or required documentation (such as a certificate of origin).

For more help, contact us at: connect@eforto.com

Send a device linkage request with the following information to connect@eforto.com

• The serial number of the Eforto® device

• The site to which you belong (i.e., the company/hospital) that bought the Eforto device.

Please find these guidiance tips:

• Ensure the Eforto Device is ON: (blinking blue light).
  
• Verify it’s charged: LED should be blue, not orange.
• Turn on Bluetooth on your smartphone.
• Confirm Bluetooth permissions setting are enabled for the Eforto app 
• Do not pair manually: connect the device only through the Eforto app.

If it still doesn’t work, try another smartphone or tablet. If the issue continues, contact connect@eforto.com

Use a soft dry, or moist cloth moistened with mild (neutral) detergent to clean your device, then wipe it with a dry cloth. For high-use environments, the Eforto® Device can easily be wiped with isopropanol or, we recommend Bacillol AF or Bacillol 30 wipes (30% alcohol).

⚠️ DO NOT wash or immerse your device or other components in water or other liquids. Clean with a dry cloth if wet.

⚠️ DO NOT use any abrasive or volatile cleaners.

⚠️ DO NOT use gasoline, thinners or similar solvents to clean your device or other components.

No, you should not use any other charger. The Eforto® device is designed for a specific voltage and current, and using an unapproved charger may damage the device or affect its performance. Always use the original charger provided with your Eforto® device to ensure safe and proper charging.

No, the Eforto® app is only available on smartphones or tablets operated by Android 9.0+ or iOS 15+.

- For Regular App subscription (i.e. Eforto app without data storage to the Eforto Metrics platform), you should send an account creation request to connect@eforto.com. The request to create an account should include the following information:

• The serial number of the Eforto® device.

• The site to which you belong (i.e. the company/hospital/…etc that bought the Eforto® device).

• The Gmail/Microsoft/Apple e-mail that you want to use for your account.

- For Pro App subscriptions with storage data and Eforto Metrics, accounts are created by your site manager.

To support clinical deployment in multilingual settings, the Eforto® App is available in different languages: English, French, Dutch, German, Spanish, Italian, Polish, Finnish, Portuguese, Chinese, and Arabic. 

If your Gmail or Microsoft account is a business account, your organization’s settings may block access to the Eforto app.

If your business e-mail doesn’t work, send an account update request to connect@eforto.com including:

• Eforto Device serial number.

• Your site or organization (e.g. company/hospital)

• Current Gmail/Microsoft/Apple e-mail.

• New Gmail/Microsoft/Apple e-mail you wish to use.

If you don’t have another e-mail address, you can create one for free

Note: A future update will allow the use of all email types, including business addresses.

To unpair your Eforto® device:

1. Open your smartphone’s Bluetooth settings.

2. Locate the Eforto® device name in the paired list.

3. Select “Forget” or “Unpair.”

4. Restart Bluetooth before reconnecting if needed.

The Eforto® metrics platform can be accessed from any computer or laptop with an internet connection. It works with all modern web browsers, including Google Chrome, Microsoft Edge, Safari, and Mozilla Firefox. No software installation is required. 

While it can be opened on smartphone browsers, the smaller screen size may affect usability and viewing experience.

It is recommended that each healthcare professional maintain an individual account. This allows accurate tracking of who performed each assessment, ensuring accountability and consistency in test administration.

Additionally, sharing accounts or passwords is not advised for data security and privacy reasons.

To support clinical deployment in multilingual settings, the Eforto® metrics dashboard is available in different languages: English, French, Dutch, German, Spanish, Italian, Polish, Finnish, Portuguese, Chinese, and Arabic. 

To update the weight measurement unit, please contact us at connect@eforto.com and include 

Note: The selected unit will apply to all users and subjects at your site. If your site is part of a multi-site project, the same unit will be used across all sites in that project.

To begin the muscle fatigability test, you must reach at least 80% of your maximum grip strength. If this level isn’t achieved, the test will not start and is marked as failed.

The test continues until your grip strength falls below 50% of your maximum strength, which you need to maintain for at least 10 seconds to complete the test successfully.

The questions at the beginning of the vitality capacity test are originating from the Multidimensional Fatigue Inventory (MFI-20). Only the questions for the physical fatigue domain are requested to be filled in. 

The answers to these questions are used to calculate the person’s self-perceived fatigue (physical fatigue) and vitality capacity (Capacity‑to‑Perceived Vitality (CPV) ratio).

You can find more information about the MFI-20 here:

Smets, E.M.A., et al., 1995. The Multidimensional Fatigue Inventory (MFI) psychometric qualities of an instrument to assess fatigue. Journal of psychosomatic research, 39(3), pp.315-325. DOI: 10.1016/0022-3999(94)00125-o

Yes, only the vitality capacity protocol test includes the MFI-20, but other intrinsic capacity test protocols do not. You can request to switch protocols by emailing connect@eforto.com with:

• Your site (company/hospital).

• The protocol(s) you want to use.

Eforto® measures dynamic grip strength in kilopascals (kPa) which reflects force per area, not just weight. Using its advanced pneumatic Vigorimeter sensor, Eforto provides a more sensitive and accurate assessment across different hand shapes and sizes, unlike traditional hydraulic tools.

Estimated grip strength based on our data set (Kg) = kPa × 0.43

Eforto®’s validated data also include cutoffs for sarcopenia, muscle fatigability, and vitality capacity, making it a next-generation tool for assessing muscle performance and early frailty, beyond traditional weight-based grip devices.

Grip work in the Eforto test is calculated as the area under the time-pressure curve during the muscle fatigability test. It reflects the total physiologic work produced by your handgrip muscles while maintaining force over time.

Two key factors influence your grip work value:

1. Duration of the muscle fatigability test: how long you can sustain at least 50% of your maximum strength.

2. Overall grip strength: your maximum force level during the test.

A low grip work result usually means one of the following:

• You could only hold 50% of your maximum grip strength for a short period.

• Your overall grip strength is low.

You can learn more about test interpretation and ways to improve grip performance here: 

Grip Strength

Muscle Fatigability

Vitality Capacity

Results cutoff points are calculated based on biological sex and weight compared with standardized normative data driven from research conducted with academic partners and validated cohorts, including age- and sex-adjusted thresholds for muscle strength, fatigability, and the ratio of Capacity-to-Perceived Vitality (CPV).

You can learn more about test interpretation and ways to improve grip performance here:  

Grip Strength

Muscle Fatigability

Vitality Capacity

Hand grip strength can fluctuate throughout the day due to natural changes in muscle fatigue, hydration, motivation, or temperature. For consistent results, measure at the same time each day and under similar conditions.

Not necessarily. The dominant hand often produces higher strength values. Eforto® can measure both hands. Just note which side you’re testing for accurate tracking and comparison.