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103 Possible Causes for Extensor Finger Muscle Weakness

  • Slow-Channel Congenital Myasthenic Syndrome

    The clinical features include ptosis, ophthalmoparesis, and weakness of the cervical and finger extensor muscles as well as marked phenotypic heterogeneity.[] The phenotype is characterized by dominant inheritance; selective weakness of cervical, scapular, and finger extensors and other distal muscles; and mild ophthalmoparesis.[] Bilateral ptosis, ophthalmoplegia and weakness of the finger and wrist extensors and cervical muscles have been present since childhood.[]

  • Distal Myopathy Type Welander

    Clinical description WDM is a late adult-onset disorder (onset between 40 and 60 years) characterized by initial weakness of index finger extensors followed by extension weakness[] […] index finger extensors followed by extension weakness in the other fingers.[] Weakness slowly progresses to all small hand and lower leg muscles.[]

  • Distal Myopathy

    Some patients also had proximal weakness, but none had signs of finger or hand extensor muscle involvement, even in advanced stages of the disease.[] Finger extensor and neck flexor weakness together with Achilles tendon retractions were other frequent findings.[] Muscle weakness predominantly affected ankle dorsiflexors, finger extensors and neck flexors, a distribution different both from the patterns of weakness seen in NM caused[]

  • Autosomal Recessive Inclusion Body Myopathy Type 2

    Disease of the heart muscle 0001638 Weakness of long finger extensor muscles 0009077 Percent of people who have these symptoms is not available through HPO Adult onset Symptoms[] Clinical Presence of muscle weakness Weakness of forearm muscles, particularly finger flexors, or wrist flexors more than wrist extensors Slowly progressive course Sporadic[] […] of extensor surfaces of fingers), shawl sign (erythematous rash over the shoulder and exposed areas of the back) Interstitial lung diseases Malignancy GI vasculitis Polymyositis[]

  • Oculopharyngodistal Myopathy

    Limbs Legs Arms Distal: Anterior tibial; Finger extensors Onset: 5 years after disease onset Limb strength normal (20%) Progression: To proximal muscles Respiratory Common[] Weakness of wrist extensors, finger extensors, and intrinsic hand muscles impairs function. Ankle dorsiflexor weakness may cause footdrop.[] […] and dysphagia Tongue myotonia Weakness of sternocleidomastoid May have weakness of neck flexion Distal weakness, especially of intrinsic muscles of the hand, finger flexors[]

  • Myofibrillar Myopathy 4

    Patients present with ankle weakness followed by weakness of finger and wrist extensors and later on of proximal muscles. Ambulation is usually preserved.[] weakness with initial involvement of posterior lower leg muscles, medial gastrocnemius and soleus.[] […] distal myopathy, Markesbery-Griggs type is a rare, genetic, non-dystrophic myofibrillar myopathy disorder characterized by late-adult onset of distal and/or proximal limb muscle[]

  • Becker Muscular Dystrophy

    Finger flexor muscles were severely weak in 3 of 5 patients, a feature that could lead to a misdiagnosis of inclusion body myositis.[] RESULTS: Predominant weakness and atrophy of biceps brachii, hip adduction, and quadriceps muscles was noted along with calf and extensor forearm hypertrophy.[]

  • Cervical Herniated Disc

    C6 – C7 (C7 nerve root) – Can cause weakness in the triceps (muscles in the back of the upper arm and extending to the forearm) and the finger extensor muscles.[] […] of the upper arm and extending to the forearm) and the finger extensor muscles.[] See All About the C5-C6 Spinal Segment Article continues below C6-C7 (C7 nerve root): A herniated disc in this area can cause weakness in the triceps (muscles in the back[]

  • Multifocal Motor Neuropathy

    […] of finger extensor muscles: A clinical pattern of multifocal motor neuropathy. ( 27396516 ) Ivanovski T....Miralles F. 2016 30 Comparative study of peripheral nerve Mri and[] Demyelinating Polyradiculoneuropathy and Multifocal Motor Neuropathy: Correlations with Clinical and Neurophysiological Data. ( 27313890 ) Merola A....Cocito D. 2016 29 Differential weakness[]

  • Miyoshi Myopathy

    Certain muscles of the hands and feet (intrinsic muscles and long extensors) and certain muscles of the fingers and toes (extensors) are predominantly affected.[] extensors: Most common Legs (Foot drop): 25% Weakness Hands Legs in most Muscles involved: Long finger extensors; Intrinsic hand; Thumb & index-finger Progression to legs[] ., wrist and finger flexors) and quadriceps muscles that is often asymmetric.[]

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