Boulder shoulders · Skinny

Boulder shoulders from skinny

Lean and light — abs may show, but shoulders, chest, and arms are thin. Often a fast metabolism and a small frame. 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 is naturally lean with visible abs and not much size — the frame that has the most muscle left to gain. Left: the upload. Right: Boulder shoulders as an AI preview.

Starting from skinny

This starting point needs a calorie surplus and patience. Eat in a controlled surplus, focus on compound lifts, and expect the first year to add more muscle than any year after it. Cutting is not the priority yet.

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.

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See boulder shoulders from skinny — 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