Now don’t be frightened by the cheesy Quadzilla roars or the quads on this man. Thus, as a follow up on the previous post on the pros and cons for cu

Now don’t be frightened by the cheesy Quadzilla roars or the quads on this man.

Thus, as a follow up on the previous post on the pros and cons for curved vs straight cuffs relative to thigh shape, we have the Leg Cuffs V3 in action. It shows how the rather simplistic designed cuff can be used regardless of thigh circumference.

So, if any one doubted the “one size fits all” label for the Leg Cuffs V3 Quadzilla here definitely proves them wrong.

Thanks to @curtis_demont for the original video material!
Walking Lunges + Quadzilla roar
T-bar Front Squat
Barbel Front Squat
Leg Extension

Nuff said, go hit the Gym with BFR for those quad gains whenever possible!

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The Science Behind the Fit Cuffs Pressure Calculator V2

Does auto adjusted blood flow restriction (BFR) training improve muscle growth and strength compared to fixed-pressure cuffs? In this first 8-week within-subject study using the Fit Cuffs BFR system, researchers found no meaningful differences in hypertrophy, strength gains, or perceived discomfort between autor and non-auto conditions. When pressure was prescribed relative to limb occlusion pressure (LOP) and training variables were standardized, both approaches produced significant improvements. Here’s what coaches, clinicians, and lifters need to know about auto vs fixed-pressure BFR.

February 24, 2026

Figures 2 and 3 display grouped scatter plots comparing autoregulated (AUTO, gray circles) and non-autoregulated (NONAUTO, red triangles) blood flow restriction training before (Pre) and after (Post) an 8-week intervention. Figure 2 shows significant increases in rectus femoris and vastus lateralis muscle thickness at 30%, 50%, and 70% femur length in both conditions, with no differences between groups. Figure 3 shows significant increases in rectus femoris cross-sectional area (50% and 70%) and 1RM strength for single-leg squat and knee extension in both conditions, again with no between-group differences. Asterisks (***) indicate statistically significant pre-to-post improvements.

February 24, 2026

Automatic Pressure adjustments during Blood Flow Restricted (BFR) Exercise – A randomized within-subject 8-week trial

Does auto adjusted blood flow restriction (BFR) training improve muscle growth and strength compared to fixed-pressure cuffs? In this first 8-week within-subject study using the Fit Cuffs BFR system, researchers found no meaningful differences in hypertrophy, strength gains, or perceived discomfort between autor and non-auto conditions. When pressure was prescribed relative to limb occlusion pressure (LOP) and training variables were standardized, both approaches produced significant improvements. Here’s what coaches, clinicians, and lifters need to know about auto vs fixed-pressure BFR.

December 12, 2025

Top page of the Fit Cuffs BFR Unit v1.1 gift box, highlighting key features of the blood flow restriction training system and core functionality of the updated Unit

December 12, 2025

For Effective Safe & Convenient BFR consider which type of cuff that fits You or Your clients the best. The cuff shape and width is important for com

Is BFR Training for tendon related pains superior vs conventional rehab modalities? In a recent short article at Dansk Sports Medicine a group of res