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Hamstrings Never Loosen Up? HERE’S WHY | Trevor Bachmeyer | SmashweRx

فیتنس
فیتنس
When your hamstrings ‘never’ loosen up, there’s a good chance it’s not the hamstrings, it’s the hi ...
When your hamstrings ‘never’ loosen up, there’s a good chance it’s not the hamstrings, it’s the hip flexors.

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