Muscle Contraction

TIL that only males have a muscle called "cremaster," which elevates the

TIL that only males have a muscle called "cremaster," which elevates the testes when contracted.

TILgonewild

The Bowflex Blaze home gym, based on same principle as resistance bands, works better

The Bowflex Blaze home gym, based on same principle as resistance bands, works better than free weights to build muscle; and it eliminates the risk of contracting Corona virus in the gym. The $149 Body Boss resistance band home gym on Amazon is much cheap

u_GratefulForGodsGift, malebiceps

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