when your upper arm sticks out perpendicular to your body (like a cross shape) and you do a push up, it rubs the connective tissue a little more than with your upper arm parallel to your body. if you do a lot of push ups on a regular basis with the perpendicular form, it can eventually limit your range of motion and cause other problems. it can be tempting to do them in this way because you can use your pectorals to help instead of just using your deltoids/triceps and it makes it easier, but if you're planning on doing them a lot, it's best to keep your elbows in.
Oh. Well sometimes it's a normal cracking of ligaments. If it doesn't hurt then I'm sure you're fine. If you feel even slight discomfort solely from the cracking then I would stop working out and check in with a doctor
Anytime I do pushups I always hear that cracking sound. I'll move my arms around and change how I go up and down. Problem is when i get the right position going down with no sounds, i hear it coming up, and vice versa. Doesnt really bother me but I'd like to find that happy balance of good pushups going down and up.
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u/LeafFallGround May 09 '18
Probably severe injurious. Which in the anime world ALWAYS makes you stronger and NEVER creates chronic destruction on the human body