Seated Trunk Rotation (Russian Twist)

0.0s / 6.4s

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Obliques
25%
Rectus Abdominis
25%
Trans. Abdominis
25%
Hip Flexors
20%
Erector Spinae
15%

Trans. Abdominis 25% — deep, not shown on the figure

Sets

2–3

Reps

10–16 total (both sides)

Hold

controlled tempo

Rest

45 sec

▶ Guided session · 2–3 × 10–16 total (both sides)

Quality beats speed — each turn is a full thoracic rotation, not an arm wave. Skip or shorten the lean with a sensitive low back.