Why i see some girls legs bend backwards like that

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Why i go outside see like many girls the calf/knee is like bend backwards like gazelle like that. Those animal hind legs.

[BuiBuiForeverAlone]

Why i go outside see like many girls the calf/knee is like bend backwards like gazelle like that. Those animal hind legs.

Unable to imagine. Got pics to show example?

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u see something like that lor

[BuiBuiForeverAlone]

Oic it's a hyperextended knee

[jim889]

Why i go outside see like many girls the calf/knee is like bend backwards like gazelle like that. Those animal hind legs.

huai chiu look at their leg not at their nnp
 

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ya it's hyperextended. like many girls like that leh. is it due to over exercising or not exercising?

guys i got see before usually ah pek

[pikapika33]

girls more fexible lo
hip wider
can sit and make W