Mens Fitness on MSN
Test Your Core Strength With These 4 Trainer-Approved Plank Progressions
If you need a little variety, strength coach Jim "Smitty" Smith, C.P.P.S., owner of Diesel Strength & Conditioning and Men’s Fitness advisory board member, shares his favorite plank variations and ...
Experts say a 1–2 minute plank is a strong benchmark after 50. Use our tips to build up safely and test your core strength.
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