 [ Symptoms ] when i stretch my legs or my uper body i get severe pain like charlie horses i cant stretch at all due 2 pain backlegs i have been diagnosed with lupus and arthritis i had 2 neck surgeries and both shoulders cleaned out with a tear in my left the neurologist that done my neck surgery said my spine is a complete mess he perform a full mri of my spine and i have some damage at all levels [ Disease ] whenever i get a charlie horse in my calf i flex my foot forward toes toward me heel away from me this stretch stops my pain immediately i hope this helps