exercise analysis

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aa2001
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exercise analysis

Post by aa2001 » Mon Dec 07, 2009 4:59 pm

Hello,
I want to ask about the expressions: 'horizontal abduction' and 'horizontal extension'. in most of the books i read, both of this movements are the same.
I saw that in this site they semiliar but have difference.
in which book / article can i read about it?

thank's
Amit

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