Boulder shoulders · Skinny-fat

Boulder shoulders from skinny-fat

Normal weight on the scale but soft in the middle — around 18–24% body fat with underdeveloped chest, shoulders, and arms. Here is what the boulder shoulders transformation looks like from exactly that start — rendered on a real photo, not a stock body.

Before photo used for the Boulder shoulders preview
Before
AI preview: Boulder shoulders rendered on the same photo
After · AI
The example has a soft midsection and some existing muscle, the classic skinny-fat profile. Left: the upload. Right: Boulder shoulders as an AI preview.

Starting from skinny-fat

Skinny-fat responds best to building muscle rather than dieting harder. Lift heavy with progressive overload, eat around maintenance with plenty of protein, and let recomposition change the shape while the scale barely moves.

What boulder shoulders changes

Round, dense, three-dimensional delts — the upgrade that widens your whole frame.

  • Round, capped side delts
  • A wider look in every shirt
  • Better upper-body proportions without touching the waist

What it takes

3–6 months of a delt specialization block. Side delts widen the whole frame more than any other muscle for the effort. A few months of high-volume lateral raise work and heavy pressing makes a visible difference. The preview shows the widened silhouette that produces.

See it on your own photo

The example above is one upload. Yours will keep your face, your frame, and your bathroom mirror, and show the boulder shoulders version of you. Your first look in the app is free; this transformation costs 50 tokens after that, shown before you tap.

LiftLooks app icon

See boulder shoulders from skinny-fat — on your body.

Free to downloadFirst look freeiPhone

Get the app, upload one photo, and see this transformation rendered on your own frame.

Download on the App Store