During shoulder flexion movement is there any spinning of the head of humerus that occurs over glenoid fossa?...and also if the roll occurs in anterior direction why does it seem that the roll is occurring in posterior direction when we perform the movement?
So the words you should use are roll and glide During shoulder flexion humerus will roll anteriorly that is the osteokinametic movement/movement of the bone that you can see... And the glide of the bone occurrs in the opposite direction (posteriorly) that is the arthrokinametic movement /(the movement at joint surface) which you cannot see with nacked eye because joint is covered by so many layers of capsule and then skin. Also spin is another movement which occurs around the joint eg-internal and external rotation at the shoulder joint Will make a video about it in future Hope this was helpful:)
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Do the rolling is also occuring in opposite direction when covex surface is moving ?
During shoulder flexion movement is there any spinning of the head of humerus that occurs over glenoid fossa?...and also if the roll occurs in anterior direction why does it seem that the roll is occurring in posterior direction when we perform the movement?
So the words you should use are
roll and glide
During shoulder flexion humerus will roll anteriorly that is the osteokinametic movement/movement of the bone that you can see...
And the glide of the bone occurrs in the opposite direction (posteriorly) that is the arthrokinametic movement /(the movement at joint surface) which you cannot see with nacked eye because joint is covered by so many layers of capsule and then skin.
Also spin is another movement which occurs around the joint
eg-internal and external rotation at the shoulder joint
Will make a video about it in future
Hope this was helpful:)
@@MovementScience8 thankyou so much 😃..so means roll basically is osteokinematic and glide is purely arthrokinematic
@@aditikamble8569 Yess! Perfect
@@MovementScience8 thankyou so much!
Thanks
Your welcome
Well explained👍
Thank you 😊
What are you actually done in your studies??