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Bar speed explained

What velocity-based training is, and how forge reads it.

What it is

Velocity-based training measures how fast the bar moves. Speed tells you more than how a rep felt — it tells you what's left in the tank.

How forge reads it

Through your phone's camera — no hardware. Each rep gets a speed in m/s, and forge flags the grinds.

Using it

fast    ≥ 0.35 m/s  → add weight
medium  0.20–0.35    → stay put
grind   < 0.20 m/s   → back off