The late, great Mel Siff often referred to the Seven S-factors of fitness. The S-factors include: 1. strength 2. stamina (general cardiovascular endurance and local muscular endurance) 3. suppleness (flexibility)…
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The late, great Mel Siff often referred to the Seven S-factors of fitness. The S-factors include: 1. strength 2. stamina (general cardiovascular endurance and local muscular endurance) 3. suppleness (flexibility)…
