title: Clinical approach to a patient presenting with muscle stiffness.
authors.affiliation: Memphis, TN From the University of Tennessee, Memphis, Department of Neurology, Memphis, Tennessee; and Wesley Neurology Clinic, Memphis, Tennessee.
authors.forename: Shameela N
authors.initials: SN
authors.lastname: Ahmed
authors.forename: Tulio E
authors.initials: TE
authors.lastname: Bertorini
authors.forename: Pushpa
authors.initials: P
authors.lastname: Narayanaswami
authors.forename: Kandasami
authors.initials: K
authors.lastname: Senthilkumar