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Motions of the Body


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Hey yall, I just have a few questions to ask in regards to different motions of the body.

 

1. Is shoulder abduction synonymous with scapular upward rotation?

2. Conversely, is shoulder adduction synonymous with scapular downward rotation?

3. Some people (including myself) have the additional ability to "tilt" their scapula on will... is anyone aware of the primary muscles responsible for this? (Bonus: or have cues on how to coach someone to be able to do this.)

 

4. Reading through my text books, I've found several muscles described to perform "ipsilateral" or "contralateral" rotations. I understand that ipsilateral refers to same-sided (like right foot and right hand) while contralateral refers to opposite-sided (like right food and left hand)... but in terms of describing a muscle as performing ipsilateral/contralateral rotation... what does that mean exactly? I'm assuming it's a locomotion thing, but I can't seem to grasp it.

 

Thanks for your time!

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