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Bodyweight progression

Nordic Curl

Trains hamstrings first, with real work landing on glutes, core.

Muscle contribution per set

Hamstrings1
Glutes.15
Core.15

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

5down
0pause
Xexplode
0squeeze

Very slow eccentric (5 s) maximises hamstring loading and lengthened-position stimulus; Nordic curls have specific evidence for strength and injury-prevention adaptations.

Use band or partner assistance as needed to complete full eccentric ROM. Concentric can be assisted or explosive return.

Derived from tempo research on this movement class — Schoenfeld BJ, Ogborn DI, Krieger JW; 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.

Swap it for

Same movement pattern, same progression continuity — these are the alternatives the app offers mid-session when a rack is taken or equipment isn't there.

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