Hi, Thanks for using HCM.
Shaking may be due to multiple reasons like nutrition and electrolyte(Ca++) deficiency, nerve
and muscle problem, hormanal problem and also anxiety
and severe cold
. As your history of shaking after bending for some time, and few weeks back lost control on puting weight suggest mostly nerve compression if there is no injury
or trauma before that. Get done your complete hemogram, serum electrolytes and cardiac evaluation once. Take protein rich ffod daily and regular exercises. This may help ypu. Consult your doctor for examination and management.
Hope I answered your question. Feel free to ask me if you have any further queries.
Wish you good health. Take care.