How to Use Fit Cuffs

Fit Cuffs - BFR Training: Arm Cuff V3 - Attachment & Deflation
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Leg Cuffs V3 - Attachment - Inflaltion & Pressure Calibration
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Considerations Before Attachment – Read more

Go to Fit Cuffs Training App at training.fitcuffs.com and use the “Calculate Pressure” module, to acquire a personalized pressure (mmHg) recommendation. We advise You to update the pressure (mmHg) as often as possible – See our page Web App Explained for additional information concerning the app. The Calcuate Pressure module is a convenient and valid alternative to selecting a pressure relative to Limb Occlusion Pressure (LOP) – Please check LOP by Bluetooth for more information concerning LOP and the Bluetooth Device.

In order to use the Calculate Pressure module you must measure the circumference of your upper arm or upper thigh and please remember to do the measurement in a relaxed position.

Before using Fit Cuffs please have a look at the safety concerns at this sub-page BFR & Safety Concerns.

General Instructions For Attachment & Deflation Of The Cuffs – Read more
  • 1. Before attachment – Ensure that the cuff is completely empty – deflated. – It is very important to deflate the cuffs after every session for optimal fitting the cuff subsequently! Please mind, You must use the Fit Manometer (pressure gauge) to deflate the cuff by turning the valve (wheel/cock) counter-clockwise. ⇩

  • 2. Attachment – Slide the cuff through the nylon loop and make sure the valve is facing downwards.
    For fast and convenient attachments, be aware of left and right version of your cuffs which is relevant for the Complete & Performance models. Please check the videos on this page to distinguish “left” & “right” versions. ⇩

  • 3. Tension of the cuff – Make sure to have a semi-snug attachment, so that 3-4 fingers can easily pass underneath the cuff.
    – loose-fitting cuffs will require higher pressure to restrict blood flow and may slide during exercise. A tight fitting cuff will inhibit muscle contractions and result in excessive pressure fluctuations during muscle contractions. ⇩

  • 4. Inflation – Close the valve on the Fit Manometer by turning it clockwise and attach the male connector to the female connector on the cuff. You will hear a distinct “click” when the Fit Manometer has been connected successfully. ⇩

  • 5. Calibration – For a proper fit and to avoid pressure drop during exercise you should “calibrate” the pressure, by contracting the relevant muscles several times while the Fit Manometer is still attached. Please repeat this pressure calibration to avoid pressure drop during exercise. The goal pressure should be measured in a complete resting state, by placing the weight on the opposite leg or resting the corresponding arm, respectively.
    “Please remember to Pressure Calibrate Before Training To Avoid Pressure Drop During Exercise!”

    Remember to utilize the custom fit for the Leg Cuffs V3, as it can be slightly adjusted to the shape of the thigh

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    Velcro strap placement for cone / tapered and straight thighs







If you would like a detailed user manual for Fit Cuffs® Training System please send this request at info@fitcuffs.com. For different Training Protocols see How When & Why BFR & The Complete BFR Guide


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