Marcus Filly on Instagram: “?Power Work? . ?30sec efforts. Leg focused. Speed is key. Work hard and then rest long. . ?5 Sets 14 Alternating Box Ju...

715 Likes, 4 Comments - Marcus Filly (@marcusfilly) on Instagram: “?Power Work? . ?30sec efforts. Leg focused. Speed is key. Work hard and then res...
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