Score for weakest neck flexion or extension, as part of the Myasthenia Gravis Composite (MGC)
Burns TM, Conaway MR, Cutter GR, Sanders DB The construction of an efficient evaluative instrument for myasthenia gravis: the MG Composite. Muscle and Nerve;2008;38:1553-1562. Burns TM. History of outcome measures in myasthenia gravis. Muscle Nerve 2010;42:5-13. Burns TM, Conaway MR, Sanders DB and the MG Composite and MG-QOL15 Study Group. The MG Composite: A valid and reliable outcome measure for myasthenia gravis. Neurology 2010; 74:1434-1440.