How to Strengthen Your Chest and Arms with Modified Push-Ups
How to Tone Up Triceps with the Over-the-Head Move
How to Tone Up Your Biceps with Seated Curls

How to Do a Basic Abdominal Crunch

Abdominal crunches strengthen your core and flatten your stomach. Whether working upper or lower abs, crunches are great stomach exercises and require no exercise equipment.

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