We’ve profiled fitness model Luke Guldan in the past, and now the young adonis is sharing his fitness secrets in online videos. He visits celebrity trainer Darrell Morris in his latest installment, which focuses on core strength. We’ll bring you other videos as Guldan releases them.

See Guldan's latest fitness-tip video after the jump.

We’ve profiled fitness model Luke Guldan in the past, and now the young adonis is sharing his fitness secrets in online videos. He visits celebrity trainer Darrell Morris in his latest installment, which focuses on core strength. We’ll bring you other videos as Guldan releases them.

See Guldan’s latest fitness-tip video after the jump.

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