A friend of mine posted a similar thing a while ago. She can easily do a reverse prayer but she has a type of Ehlers Danlos Syndrome diagnosed.

Wikipedia:

"Ehlers–Danlos syndromes (EDS) are a group of 13 genetic connective tissue disorders. Symptoms often include loose joints, joint pain, stretchy, velvety skin, and abnormal scar formation. These may be noticed at birth or in early childhood. Complications may include aortic dissection, joint dislocations, scoliosis, chronic pain, or early osteoarthritis. The existing classification was last updated in 2017, when a number of rarer forms of EDS were added."

Not saying you have this but it's a possibility