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4P Fitness Insights

Explore practical, science-backed insights on strength, mobility, nutrition, recovery, longevity, and today’s biggest fitness trends. Use the category filters or search bar below to quickly find the guidance, answers, and topics that matter most to you.

Stephan Earl 5/30/26 Stephan Earl 5/30/26

Weighted Vest Walking Is Back: Benefits, Risks, and 5 Vests Worth Considering

Weighted vest walking is trending again, but is it worth it? Learn the benefits, risks, how to start safely, and 5 weighted vests worth considering for walking, rucking, bodyweight training, and conditioning.

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