If You Can Do This Many Crunches After 55, Your Core Strength Is Elite

Crunch test after 55 from MA, CSCS Jarrod Nobbe. Get score ranges, form cues, and tips to boost reps safely.
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These 5 Core Workouts Are the Ultimate Strength Test

Your entire body depends on a strong core. It's the "control center," so to speak, providing stability and power to your upper and lower body. Your core also provides proper support to your spine to ...