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Isolation

Resistance Band Lateral

Trains side delts first, with real work landing on front delts, rear delts.

Muscle contribution per set

Side Delts1
Front Delts.10
Rear Delts.10

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 lateral raise; tempo prevents momentum and keeps constant tension on medial delts.

Lead with elbows; slight lean if anchored low.

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

How Forge progresses it

Progresses by load in +0.5kg steps. Isolation work is where the honest-volume ledger pays off — compounds alone don't cover it.

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