How to Do Bar Crunches
Abdominal crunches can be performed with different types of resistance. For these bar crunches, the resistance is provided by a weight bar. This is a terrific core/abdominal exercise to incorporate into your workout.
Step 1
Assume start position as shown by lifting legs up in air.
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Step 2
Lift bar up toward feet by lifting head and shoulders off the floor.

Step 3
Return to start position.