hi i am 22 years old and have had a host of strange symptoms such as bilateral knee pain , bilateral hip pains and lower back pains i have had a lumbar mri and several blood tests for arthritis and most recently a bone scan which showed nothing and i still have these severe pains my legs feel weak at times and very stiff i have left my job and am now on disability benefit also recently i have been experiencing muscle tightness in my legs lower back and now both my hands which is concerning as my hands feel weak like i cant really hold on to stuff properly my fears are of als and other motor neurone problems i have had a emg in the past and this test was good but this was before the weakness and pains in my hands and arms began i hope you can help me as im at my end with it all