Intervals:50 Seconds Max Reps10 Seconds Rest *Push as hard as you can, but listen to your body. If you need to: decrease the interval, and increase the rest as you build up to 50/10 seconds. 1.
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Intervals:50 Seconds Max Reps10 Seconds Rest *Push as hard as you can, but listen to your body. If you need to: decrease the interval, and increase the rest as you build up to 50/10 seconds. 1.
Source –
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