Credits
Exercise illustrations
Exercise illustrations: Everkinetic (everkinetic.com), via Wikimedia Commons, licensed CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/
The app shows these line drawings for gym machine exercises. The files below are the original files from Wikimedia Commons, unedited. The app shows the same drawings, only scaled to fit, on a white card. Each drawing links to its Commons source page.
Leg Press


Wide-Grip Lat Pulldown
Seated Cable Rows
Machine Bench Press
Leg Extensions
Seated Leg Curl
Triceps Pushdown
Machine Shoulder Press
Cable Crossover
Seated Calf Raise
Butterfly
Smith Machine Squat
Hack Squat
Closest drawing: single start frame; lying/45-degree hack machine.
Machine Bicep Curl
Ab Crunch Machine
Closest drawing: seated cable crunch, not a plate-loaded crunch machine.
Leverage Incline Chest Press
Closest drawing: incline chest press (cable/handle station), not plate-loaded leverage machine.