Hey Matt, just writing to say thank you for all your incredibly helpful videos- this one most recently as I've been dealing with de quervain injury on right thumb. I'm 62, been practicing for 20 years, increasingly grateful as time goes on for your expertise. Kevin M.
Hey Matt! Thanks for sharing the video. A couple of points that I'd make: 1) when assessing pronation, I wouldn't grip and stabilize the proximal forearm, as that would inhibit your ability to pronate. During open-chain pronation, the radius moves relative to the ulna, so you just need to stabilize the ulna - which you can do by holding the elbow with the finger tips. 2) in Downward Dog, because the hands are on the floor (closed chain), the humerus and the ulna move together when you medially and laterally rotate the arms at the shoulder joints, and the radius is fixed. Lateral rotation of the arm causes the ulna to cross behind the radius, which effectively pronates the forearm (provided that you keep your hands firm on the floor). Or conversely, contracting the pronators of the forearm would laterally rotate the arms, because it would pull the ulna around toward the medial side of the radius! So while it's counter-intuitive, it's actually the supinators in the forearm that contract to keep the inner edge of the hand down. In Anusara language, it's the supinators of the forearm that create the inner spiral at the wrist and the lateral rotators of the arm that create the outer spiral of the shoulder. Point #2 usually confuses people in the anatomy class, until I have everyone get down on all fours and play around with it.
Great info. Lots of fine yoga teachers don't know much about anatomy or why each instruction doesn't work for esch body. I think I assumed every teacher was an expert for 5 yrs.
Thank you Jason I appreciate your input and clarity! It funny I was thinking Was recording it would be more effective to stabilize the elbow. I will make a note on the video specifying. And thank your for the explanation on which muscles fAre creating the axctions.
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Hey Matt, just writing to say thank you for all your incredibly helpful videos- this one most recently as I've been dealing with de quervain injury on right thumb. I'm 62, been practicing for 20 years, increasingly grateful as time goes on for your expertise. Kevin M.
Hey Matt! Thanks for sharing the video. A couple of points that I'd make:
1) when assessing pronation, I wouldn't grip and stabilize the proximal forearm, as that would inhibit your ability to pronate. During open-chain pronation, the radius moves relative to the ulna, so you just need to stabilize the ulna - which you can do by holding the elbow with the finger tips.
2) in Downward Dog, because the hands are on the floor (closed chain), the humerus and the ulna move together when you medially and laterally rotate the arms at the shoulder joints, and the radius is fixed. Lateral rotation of the arm causes the ulna to cross behind the radius, which effectively pronates the forearm (provided that you keep your hands firm on the floor). Or conversely, contracting the pronators of the forearm would laterally rotate the arms, because it would pull the ulna around toward the medial side of the radius! So while it's counter-intuitive, it's actually the supinators in the forearm that contract to keep the inner edge of the hand down. In Anusara language, it's the supinators of the forearm that create the inner spiral at the wrist and the lateral rotators of the arm that create the outer spiral of the shoulder.
Point #2 usually confuses people in the anatomy class, until I have everyone get down on all fours and play around with it.
Great info. Lots of fine yoga teachers don't know much about anatomy or why each instruction doesn't work for esch body. I think I assumed every teacher was an expert for 5 yrs.
Thanks I finally understand why I could not go from Downward Dog to Dolphin Pose. Really good stuff
you completely answered my question with excellent instruction for all cases. thanks.
Thank you Jason I appreciate your input and clarity! It funny I was thinking Was recording it would be more effective to stabilize the elbow. I will make a note on the video specifying. And thank your for the explanation on which muscles fAre creating the axctions.
You're welcome... and thank you for all these great tips. Keep 'em coming!
Now after 3 years of doing yoga my hands and wrists are hurting me tremendously thanks for this tip!
Thanks for the video. This really helped align everything.
can you comment about pressure on the wrists when making the "hands turn out" adjustment?
What if you have full pronation in one arm and not the other?
Sarah Bober best to keep both hands turned out slightly (index finger forward)
Do some marketing to grow your channel. It's amazing
great stuff!!!! THANKS
Sat Nam The yogiMatt. Thanks for the tips. Ravi Namjot