Fitness: men display their during exercise

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3 mins 37 secs

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46 secs

40 secs

5 mins

54 secs

39 secs

3 mins 45 secs

49 secs

1 min 10 secs

5 mins 58 secs

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24 secs

7 mins 20 secs

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40 secs

1 min 23 secs

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12 mins 21 secs

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4 mins 57 secs

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1 min 2 secs

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12 mins 23 secs

1 min 47 secs

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18 secs

44 secs

2 mins 7 secs