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core stability · intermediate · mat
Bird Dog Crunch
coreglutesspinal controlshoulder stability
0.0s / 7.1s
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Trans. Abdominis
60%
Rectus Abdominis
20%
Obliques
30%
Glutes
15%
Hip Flexors
10%
Erector Spinae
15%
Trans. Abdominis 60% — deep, not shown on the figure
Sets
3
Reps
6–8 each side
Hold
1 sec at each end
Rest
60 sec