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8 Possible Causes for Neck Weakness upon Flexion

  • Congenital Myopathy with Excess of Thin Filaments

    […] de Winter, J. M., Buck, D., Hidalgo, C., Jasper, J. R., Malik, F. I., Clarke, N. F., ... Granzier, H. (2013). Troponin activator augments muscle force in nemaline myopathy patients with nebulin mutations. Journal of Medical Genetics, 50 (6), 383-392. de Winter, J.M. ; Buck, D. ; Hidalgo, C. ; Jasper, J.R. ; Malik, F.I. ; Clarke, N.F. ;[…][]

  • Nemaline Myopathy Type 2

    (Photo : You Tracker) A structural illustration shows the protein leiomodin 2 (magenta ribbons) and two actin subunits Rice Univeristy and Baylor College researchers have unlocked the first structural map of a protein (leiomodin 2) in order to treat a neuromuscular disease. This study could improve and help to[…][]

  • Spheroid Body Myopathy
  • Vacuolar Neuromyopathy

    Abstract We previously mapped a distinctive autosomal dominant vacuolar neuromyopathy on human chromosome 19p13 in an 8cM region, delimited by D19S209 and D19S177 markers. We now report the fine mapping of the disease locus within an interval of 250 Kb by haplotype analysis performed using a set of 11 novel[…][]

  • Myotonic Dystrophy Type 2
  • Nemaline Myopathy Type 6

    INTRODUCTION The differential diagnosis of congenital ophthalmoplegia and hypotonia includes suprasegmental processes, primary neuropathies, muscular dystrophies, and primary myopathies. We describe a case of an infant born with a primary myopathy of the nemaline subtype with total ophthalmoplegia. Nemaline myopathy[…][]

  • Monomelic Amyotrophy

    neck flexion.[] We report on a Caucasian male patient who developed a slowly progressive unilateral distal hand weakness in his teens.[] […] mostly considered as an anterior horn disorder resulting from local ischemia, triggered by arterial compression from an anterior shifting of the posterior cervical dura upon[]

  • Transient Neonatal Myasthenia Gravis

    Weakness: Strength of limbs or neck (weakness in extension flexion) assessed at rest and after repetitive movement to reproduce/ induce fatigue.[] Assess for ptosis and/or abnormal extra-ocular eye movements Coggan's twitch: Upon rapid up-gaze, the eye lids lift fully and then rapidly drop down; appearing to "twitch"[]

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