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By Lance B.
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Blog: http://lancebreger.blogspot.com/
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Ask Lance - AB & ADD-UCTION

Posted Dec 08 2008 8:55pm


Straight From theAskLance@gmail.comInbox

Question From:

 
Natalie F., Philadelphia PA


Hi Lance,

My name is Natalie and I am studying to become a personal trainer at NPTI (The National Personal Training Institute).

For the past months, the teachers describe Adduction and Abduction. I just don't get the concept, especially when applied to the upper body! 

Can you PLEASE break this down for me in layman's terms so that I don't feel like such a dork in class?

Thank you!!


A.Hey Natalie,

Okay, let's break this down...

1. We havethree anatomical planes of motion that all bodily movement occurs through.

2. Adduction and abduction aremovementsthat occur in thecoronal (frontal) planewhich separates the body into front and back.

3. Another plane of motion (sagital plane) equally divides the body inright and left sideswhich creates what is referred to as themidlineor middle of the body.
 
Remembering the difference between AB-duction and ADD-uction:


AB -AWAYfrom midline (outward)

ADD -TOWARDSmidline (like you are adding or bringing a part (arm/leg) to the whole)


See these movements within exercises:

Santa Jumping Jacks -


  • The first phase of this movement is AB-DUCTION as Saint Nick's legs and arms move away from body (although as the arms go above shoulder height they ADD-uct again)
  • The second phase of this movement is ADD-UCTION as Chris Cringless legs and arms move back towards the mid-line and body

Ripped Guy Shoulder Side Raises - 


  • As this unfairly chiseled exerciser lifts the weights and bring his arms into the shape of a 'T', his arms are moving away from the midline of the body. This would be considered AB-duction. 
  • From this top position, the genetically gifted exerciser has to lower his arms back down towards the side of the body to complete the repetition. This is considered ADD-uction as the movement is coming back towards the midline.



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