15466
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How can the observation that the cheetah can artificially "lengthen" its limbs by flexion / extension of the spine be conveyed to human running? That only works when sprinters would suddenly decide to use their arms to run as well.

oh and a quick question for anyone. if you are an adult where do you "compete" for sprinting?
sorry im a noob in track and field
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This is RAW secret society.http://www.youtube.com/watch?v=DEYOMg7RSEc
Feel that hip flexor burn & that new sense of kinesthesia blu.

http://www.youtube.com/watch?v=0mpSBZXPbmA
Got this through an Adarq youtube like, sickness.http://www.youtube.com/watch?v=nNfOwZtQY5w












What if he was armed? Oh wait, he was armed alright!