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Bodyweight progression

L-Sit Hold

Trains core first, with real work landing on quads, front delts.

Muscle contribution per set

Core1
Quads.20
Front Delts.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

Hold, don't count reps.

Isometric core and hip flexor hold — tempo notation not applicable.

Hold 10–30 s; legs straight and elevated, shoulders depressed, chest up. Progress by tucking then extending legs.

General isometric training literature — holds are prescribed by duration and bracing quality, not rep tempo.

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.