Muscle outlines from Body Muscles by Ivan Vulović, Apache 2.0 — regrouped and recoloured for Muscle Train.
Adjust seat so elbows are at chest level; arms on pads/grips, elbows bent 90°; feet flat on floor. Slowly press arms forward, squeezing chest. Pause and squeeze at peak. Control return to start. Repeat.
Stop arms slightly wider than shoulders—don't over-extend (keeps chest tension). Squeeze chest as pads meet. Keep elbows slightly bent—never lock joints.
MuscleTrain is actively being built. If something looks broken, or you have a suggestion, let us know — it really helps shape the app.