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core stability · intermediate · dumbbell
Suitcase March
obliquesquadratus lumborumanti-lateral-flexionsingle-leg stance
0.0s / 7.2s
Working now
Obliques (far side)
15%
Trans. Abdominis
15%
Hip Flexors
15%
Quadratus Lumborum (≈ Erector Spinae)
12%
Gluteus Medius
12%
Grip (loaded arm)
10%
Trans. Abdominis 15% — deep, not shown on the figure
Sets
3
Reps
8–10 marches each side
Hold
brief pause at each knee lift
Rest
60 sec
The suitcase hold set walking: every knee lift narrows the base to one foot while the weight keeps trying to bend you toward it — the far side of the waist refuses, step after step. If nothing is working, the weight is too light.