Beginner Triathlete - Abdominals articles
Straight Arm Crunch

Russian Twist

Alternating Heel Touches

Barbell Side Bend

Stability Ball Pike-Up

Standing Twist with Dumbbell

Floor Leg Pull-In

Knee-In Crunch with Medicine Ball and Rotation

Modified Jackknife Sit-Up

Stability Ball Side Crunch

Alternating Knee Crunch

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Core Exercises #1