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Bodyweight progression

Resistance Band Curl

Trains biceps first, with real work landing on forearms.

Muscle contribution per set

Biceps1
Forearms.25

These are the weights Forge's volume audit actually computes with — deliberately conservative, so compounds don't masquerade as full coverage. A 0.5 means a set counts as half a set for that muscle: meaningful help, not a replacement for direct work.

Tempo

3down
0pause
2up
0squeeze

Band biceps curl; tempo maximises tension throughout ROM, especially at top.

Elbows pinned; supinate against band resistance.

Derived from tempo research on this movement class — Wilk M, Zając A, Tufano JJ.

How Forge progresses it

Progresses by reps, not weight — you earn harder sets, longer holds, or extra reps rather than plates.

Train with intention. Open Forge — it prescribes the weight, watches the reps, and does this arithmetic for every set you log.