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Core

Russian twist: how to do it

Main muscles: Obliques. Helpers: Upper abs. Below: step-by-step form, common mistakes, a muscle map, reps and rest, and what to swap it for.

Equipment
Plate
Reps
10–15
Rest
75 s
Muscle group
Core

How to do it

  1. Seated, torso leaning back, back flat, feet off the floor or on it.
  2. Turn the torso, not just the arms, and touch the plate to the floor beside you.
  3. Breathe evenly, moderate tempo.

Common mistakes

Rounded back, twisting with the arms alone.

▶ Form video on YouTube

Muscles worked

Front
Back
primary·secondary
Primary
Obliques
Secondary
Upper abs

A secondary muscle gets roughly half the stimulus of a set — that is also how the log’s stats count it.

Alternatives: similar exercises

Plank Bodyweight · Upper abs, Lower abs Farmer's walk Dumbbells · Forearm flexors, Upper traps, Obliques Side plank Bodyweight · Obliques Cable crunch Cable · Upper abs Ab wheel rollout Bodyweight · Upper abs, Lower abs Dumbbell side bend Dumbbells · Obliques

Log your sets — the app suggests the next weight

GymAssist tracks the load on each of 40 muscles, paints it on a body map and uses double progression to tell you when to add weight.

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