4-MOVE AB WORKOUT TARGETS CORE MUSCLES
Sit-ups can be uncomfortable and require equipment or a gym membership
There are alternatives to sit-ups that work the same muscles
This four-move workout targets your deepest core muscles
The first move is the plank, which works the entire core
The second move is the bird dog, which targets the lower back and abs
The third move is the side plank, which works the obliques
The fourth move is the dead bug, which targets the transverse abdominis
This workout can be done anywhere and without equipment
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