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To: Bearcatbob who wrote (173096)12/8/2019 10:40:20 PM
From: Stock Puppy1 Recommendation

Recommended By
Honey_Bee

  Read Replies (2) | Respond to of 456124
 
I do Yoga 3 times a week plus planks. That involves a lot muscles involved in push ups. That said, I was pleased to be able to do 5.


Very good!
Some "youngsters" that do yoga can barely do one.

Now you've got me triggered :-)
(I could talk about yoga all day - maybe I should send an email to Hillary? :-))

As to same muscles as pushups - the closest movement in yoga is probably chutterunga although some instructors will include movements that are more pushup-like. In chutterunga emphasis is different from pushups- that's why some people who can do chutterunga all day have trouble with pushups. With the arms externally rotated (chutterunga)(elbows in) the deltoids and serratus muscles are primarily activated. A lot of stabilization and well as stress on the shoulder girdle. Only a little bit of chest activation.
With pushups, the arms are much more externally rotated (elbows out), then the main movers are the chest muscles.

You can test this by laying down on your back with a 5- 10 lb dumbbell , putting your hand on your chest and feeling your muscle when slowly pressing up. With arm externally rotated (elbow by side), the chest muscle is at a disadvantage; you will feel more activation when the arm is internally rotated (elbow out). Put hand on shoulder your will definitely feel your deltoid when pressing up with chutterunga like arm.

Chutterunga - properly done, elbows are next to your side and your whole body moves forward as you lower. This link describes the movement, and the very first picture is actually of someone doing it incorrectly; later pictures show correct movement.

verywellfit.com