| LillyBell |
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| Jokers Wild |
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| Reged: 09/07/06 |
| Posts: 146125 |
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Bodybuilders rely on short bursts of energy. Their training relies on lifting heavy weights for short sets lasting 10 to 30 seconds. This uses stored muscle ATP and carbohydrates, not long-term o 08/06/26 01:01 PM
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xygen, which is why muscle cells adapt for quick, powerful output rather than endurance
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