• Facial nerve palsy due to involvement of branches to the frontalis or orbicularis oculi leads to frontalis weakness or lagophthalmos. (medscape.com)
  • in others (eg, certain cases of Charcot-Marie-Tooth disease type 1A (CMT1A) and inherited brachial plexus neuropathy [IBPN]/hereditary neuralgic amyotrophy [HNA]), proximal weakness predominates. (medscape.com)
  • Motor involvement may be reported as clumsiness, difficulty buttoning the shirt or opening jars, dropping objects, and weakness. (medscape.com)
  • Motor examination often reveals slight weakness of thumb abduction. (medscape.com)
  • A 35-year-old Caucasian man with no significant prior medical history developed ascending motor weakness and laboratory findings consistent with a diagnosis of Guillain-Barré syndrome. (biomedcentral.com)
  • Clinically, patients present with distal weakness/atrophy, sensory loss and cavus feet. (fortuneonline.org)
  • Skeptics have challenged the term "diabetic amyotrophy" because it erroneously implies a primary muscle disorder as well as the term "proximal diabetic neuropathy" because distal weakness is often present as well. (medlink.com)
  • This video clip demonstrates proximal and distal leg muscle weakness and atrophy in 2 patients of diabetic amyotrophy. (medlink.com)
  • Although the classic description of GBS is that of a demyelinating neuropathy with ascending weakness, many clinical variants have been well documented in the medical literature. (medscape.com)
  • The weakness may progress over hours to days to involve the arms, truncal muscles, cranial nerves, and muscles of respiration. (medscape.com)
  • There was no definite weakness or distal paresthesia in the upper and lower extremities. (e-acn.org)
  • Sensory cutaneous nerves running to the proximal edge of a skin lesion may be thickened in tuberculoid (TT) and borderline tuberculoid (BT) leprosy. (medscape.com)
  • NCV = conduction distance / (proximal latency-distal latency) Many times, Needle EMG is also performed on subjects at the same time as other NCS procedures because they aid in detecting whether muscles are functioning properly in response to stimuli sent via their connecting nerves. (wikipedia.org)
  • Radial Tunnel Syndrome Radial tunnel syndrome is compression of the radial nerve in the proximal forearm. (msdmanuals.com)
  • it affects both proximal and distal leg muscles. (medlink.com)
  • Typically, a predilection exists for distal limbs as the site of disease onset and more severe symptoms and signs. (medscape.com)
  • The bilateral mid palmar median sensory and bilateral mid palmar ulnar sensory action potential all have normal peak onset distal latencies, amplitudes, and conduction velocities. (fibromyalgiaforums.org)
  • onset of pain or paresthesia in the median nerve distribution within 30 seconds is a positive result. (orthobullets.com)
  • To the best of our knowledge, no association between plasmapheresis treatment and acute onset of facial neuropathy has been reported. (biomedcentral.com)
  • The time between the first symptoms of diphtheria and the onset of polyneuropathy is deemed the latency period. (cdc.gov)
  • The patient presented severe sensorimotor neuropathy with early onset. (fortuneonline.org)
  • Nerve conduction studies (NCSs) performed 7 days after symptom onset including for late responses revealed that the median, ulnar, peroneal, tibial, and sural nerves were normal. (e-acn.org)
  • In particular, Dr. Liao is studying OPTIC NERVE STROKE (also called anterior ischemic optic neuropathy), which is the most common acute optic neuropathy in those older than 50 years of age, and OPTIC DISC DRUSEN, which is associated with deposition of calcified deposits in the optic nerve and the most common cause of young-onset optic nerve stroke. (stanford.edu)
  • however, it significantly improved the motor nerve conduction velocities of bilateral median and tibial nerves, and distal sensory latencies of bilateral ulnar nerves in diabetic patients. (medicaljournals.se)
  • Motor evoked potentials (MEPs) to arms and legs, somato-sensory evoked potentials of median and tibial nerves, and nerve conduction studies of tibial, ulnar, sural, and radial nerves were assessed. (biomedcentral.com)
  • Nerve conduction velocity is just one of many measurements commonly made during a nerve conduction study (NCS). (wikipedia.org)
  • It is important to understand the effect of these various factors on the normal values for nerve conduction measurements to aid in identifying abnormal nerve conduction study results. (wikipedia.org)
  • Nerve conduction study is a highly specific and non-invasive technique used to differentiate between an axonal and demyelinating neuropathy. (ijpp.com)
  • [ 29 ] An increasing wrist ratio correlates with prolongation of the median nerve sensory latencies and distal motor latencies. (medscape.com)
  • Autoimmune neuropathies encompass acute forms such as Guillain-Barre syndrome (GBS) and its variants, as well as chronic forms including chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), multifocal motor neuropathy, and polyneuropathies associated with immunoglobulin M (IgM) monoclonal gammopathy and paraneoplastic neuropathies. (nursingcenter.com)
  • The objective of our study was to determine the development of EN in paretic and nonparetic extremities in acute and sub-acute periods in stroke patients with MRC score of 2 or below and in those with MRC score of 3 or above, and to investigate the frequency of development of this complication. (org.pk)
  • The initial electrodiagnostic tests, including nerve conduction test (NCT), were performed within the first 3 days of the stroke (the acute stage), and control examination were performed around 45-50 days following the stroke (the sub-acute stage). (org.pk)
  • It is considered more likely with higher release of exotoxin ( 6 , 7 ) The classic features of diphtheritic polyneuropathy include sensory and motor signs and symptoms, most notably acute flaccid paralysis (AFP) with reduced or absent deep tendon reflexes. (cdc.gov)
  • The cohort was a median age of 63 years old with a median Simplified Acute Physiology Score II of 52 (interquartile range [IQR], 37-65). (neurologylive.com)
  • Molecular mimicry and ganglioside antibodies play an important role in the pathogenesis of some variants of Guillain-Barré syndrome (eg, acute motor axonal neuropathy). (medlink.com)
  • Results: The prevalence of neuropathy at the wrist among engineers was 10.3% (right median), 3.4% (left median), 1.8% (right ulnar), and 2.9% (left ulnar). (cdc.gov)
  • The purpose of this prospective case-control study was to determine the prevalence of peripheral neuropathy (PN) using electrodiagnostic criteria. (hku.hk)
  • Charcot-Marie-Tooth disease (CMT) also known as hereditary sensory- motor neuropathies (HMSN) is the most common inherited neuropathy, with a prevalence of 1:2500 [1]. (fortuneonline.org)
  • Prevalence rate of peripheral neuropathy (PNP) in patients suffering with COPD has been stated between 28% and 94% in the literatures with smoking, chronic hypoxia, malnutrition, age, drugs, and metabolic derangement proposed as the possible causes. (ijpp.com)
  • Mononeuropathy and mononeuritis multiplex can occur, with the ulnar and common peroneal nerves most often involved. (medscape.com)
  • The study comprising 40 patients from January 2008 to June 2009 in the Stroke Unit of the Department of Neurology, Yuzuncu Yil University in Van, Turkey, entailed electrophysiological analysis of median, ulnar, radial nerves, peroneal, tibial and sural nerves in paretic and nonparetic upper and lower extremities. (org.pk)
  • Carpal tunnel syndrome (CTS) at wrist was found in 7 (35%) patients, cubital tunnel syndrome at elbow in 3 (15%) patients, and evident reduction in motor action potential values of peroneal, median and ulnar nerve in 10 (50%) patients in the control studies for conduction on our patients with Medical Research Council (MRC) score of (org.pk)
  • Sensory and motor symptoms are in the distribution of a single nerve-most commonly the ulnar or median nerve in the arm or peroneal (fibular) nerve in the leg. (unboundmedicine.com)
  • Median, ulnar, peroneal motor, and sural sensory nerve conduction latency, amplitude, and velocity were recorded in 100 known cases of COPD in the age group of 25-65 years as per the standard protocol. (ijpp.com)
  • The definition for median or ulnar mononeuropathy required the combination of distal upper extremity discomfort and abnormal distal motor latency. (cdc.gov)
  • PN in our study was defined as any abnormal values in motor and sensory distal latency, sensory action potential, motor action potential, or conduction velocity affecting 2 or more nerves. (hku.hk)
  • anterior interosseus syndrome Usual that sensory findings are abnormal while motor is preserved I CTS. (slideshare.net)
  • Tai chi chuan exercise had no significant effect on amplitudes of all nerves tested in diabetic patients. (medicaljournals.se)
  • There was a significant correlation between PN and anti-SM antibody, and there was a trend showing decreased motor and sensory action potential amplitudes in our systemic lupus erythematosus group compared to the controls. (hku.hk)
  • The bilateral median motor action potential has normal distal late cues, amplitudes, conduction, and F wave latencies. (fibromyalgiaforums.org)
  • Distal, motor, sensory velocities and sensory amplitudes were all clearly normal. (fibromyalgiaforums.org)
  • Motor amplitudes were low normal in some of the examined nerves. (fibromyalgiaforums.org)
  • Data on age, family history, age of menarche, body mass index (BMI), physical examination, breast ultrasonography and mammography findings and amplitudes, latency and cutaneous silent period (CSP) in EMG of the right and left PM muscles were noted. (hasekidergisi.com)
  • [ 28 ] Measured at the distal wrist crease, a ratio of greater than 0.7 for the anterior-posterior dimension divided by the mediolateral dimension had a sensitivity of 69% for electrophysiologically confirmed CTS. (medscape.com)
  • Mink skinning was characterized by a median angle of wrist flexion/extension of 16º extension, a median velocity of wrist flexion/extension of 22 °/s, and force exertions of 11% of maximal voluntary electrical activity. (sjweh.fi)
  • Conclusions In this natural experiment, impaired median nerve conduction developed during 22 days of repetitive industrial work with moderate wrist postures and limited force exertion. (sjweh.fi)
  • Carpal tunnel syndrome (CTS) is an impairment of the median nerve at the wrist with symptoms including numbness, tingling, and pain in the radial part of the hand ( 1 ). (sjweh.fi)
  • Little is known about the time relation between entry into a job that entails high mechanical exposures to the wrist and the development and course of median nerve impairment. (sjweh.fi)
  • Is Radial Deviation of Wrist Related With Median Nerve Swelling in Patients With Rheumatoid Arthritis? (archivesofrheumatology.org)
  • This study aims to investigate whether or not radial deviation developing after wrist involvement of rheumatoid arthritis (RA) is a cause of median nerve swelling. (archivesofrheumatology.org)
  • 5 ] We consider that the increase in radial deviation of the wrist may impair balance in the carpal tunnel, thereby increasing the pressure on the median nerve. (archivesofrheumatology.org)
  • Our hypothesis was that the increase in radial deviation of the wrist may increase the median nerve CSAs and the decrease in radial deviation of wrist may increase the ulnar CSA. (archivesofrheumatology.org)
  • these paresthesias can often be reproduced by tapping the compressed nerve, usually with the examiner's fingertip (Tinel sign). (msdmanuals.com)
  • In patients with severe paresis, if the affected extremity is not functional, symptoms of entrapment neuropathy are easy to occur. (org.pk)
  • The classic motor and sensory signs of CTS including the provocative bedside tests, but do not reliably distinguish among patients with suggestive CTS symptoms between focal median nerve neuropathy as confirmed by electrophysiological testing and other conditions with similar complaints and negative electrophysiological results. (medscape.com)
  • median follow-up period 60 days) with signs and symptoms suggestive of diphtheritic polyneuropathy. (cdc.gov)
  • Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy of the upper extremity and its diagnosis is based on clinical symptoms, physical examination, and nerve conduction studies (NCS). (archivesofrheumatology.org)
  • Since most CI-induced cases of neuropathy affect large, myelinated fibers, motor symptoms are more common than sensory symptoms. (austinpublishinggroup.com)
  • However, we have observed a patient with Small Fiber Neuropathy (SFN) complaining of sensory symptoms limited to both feet after frostbite and report the case with a literature review here. (austinpublishinggroup.com)
  • Because eye movement is very precisely controlled and intergrated with visual processing, vision loss or eye movement abnormality both lead to impairment of visuo-motor behavior, leading to debilitating symptoms such as eye strain, dizziness ,and headache during activities of daily living. (stanford.edu)
  • It may be unilateral or bilateral but spares other muscles innervated by the facial nerve. (medscape.com)
  • In gross anatomy, the nerves to skeletal muscles are branches of mixed peripheral nerves. (medscape.com)
  • The branches enter the muscles about one third of the way along their length, at motor points. (medscape.com)
  • In large muscles (eg, the flexors of the hip or knee), each motor unit contains 1200 or more muscle fibers. (medscape.com)
  • Methods: This is a cross-sectional study of 202 engineers using questionnaires and electrophysiological nerve testing. (cdc.gov)
  • We set out for an electrophysiological characterisation of motor and sensory tracts in patients with HSP. (biomedcentral.com)
  • Comprehensive electrophysiological testing disclosed a more widespread affection of long fibre tracts involving peripheral nerves and the sensory system in 40%, respectively. (biomedcentral.com)
  • To analyse the spread of long fibre tract affection in HSP and to explore potential effects of different pathomechanisms in distinct genotypes we studied motor and sensory involvement of the central and peripheral nervous system by clinical and electrophysiological means in a representative cohort of HSP patients. (biomedcentral.com)
  • In this study, we measured the median and ulnar CSAs using US in RA patients without clinical and electrophysiological CTS in order to determine the correlation between the nerve CSAs and the radiographic detection of radial deviation. (archivesofrheumatology.org)
  • The presence of distal paresthesia and pleocytosis can help to make a definitive diagnosis, 1 , 2 but few studies have investigated FD without paresthesia. (e-acn.org)
  • Carpal tunnel syndrome results from compression of the median nerve ( tunnel syndrome ) within the carpal tunnel . (radiopaedia.org)
  • According to one study, a 2 mm 2 difference in nerve CSA between the level of the pronator quadratus and the carpal tunnel has a 99% sensitivity and 100% specificity for carpal tunnel syndrome 9 . (radiopaedia.org)
  • 9 mink skinners had decreases in nerve conduction, 5 fulfilled electrodiagnostic criteria and 4 fulfilled electrodiagnostic and clinical criteria (a positive Katz hand diagram) for carpal tunnel syndrome (CTS). (sjweh.fi)
  • Carpal tunnel syndrome (CTS) is a compression neuropathy of the median nerve that results in sensorimotor deficits in the hand. (biomedcentral.com)
  • Carpal tunnel syndrome (CTS) is a compression neuropathy of the median nerve. (biomedcentral.com)
  • In the late 1960s, neurophysiologic testing allowed the classification of CMT into 2 groups, one with slow nerve conduction velocities and histologic features of a hypertrophic demyelinating neuropathy (hereditary motor and sensory neuropathy type 1 or CMT1) and another with relatively normal velocities and axonal and neuronal degeneration (hereditary motor and sensory neuropathy type 2 or CMT2). (medscape.com)
  • This suggests that, in most cases, axonal damage is the root cause of the neuropathy, not demyelination. (medscape.com)
  • Thenar muscle atrophy indicates axonal nerve injury in more advanced CTS. (medscape.com)
  • Occupational mechanical exposures may lead to increased pressure in the carpal tunnel and traction of the median nerve, which may initiate a series of changes such as ischemic microcirculation injury, edema, alterations in the blood-nerve barrier, thinning of myelin, altered ion channel dynamics and expression, and axonal degeneration ( 1 , 6 , 7 ). (sjweh.fi)
  • Guillain-Barré syndrome is now recognized to be a diverse disorder that can be divided into several patterns based on the predominant mode of fiber injury (demyelinating vs. axonal) and on nerve fibers involved (motor, sensory and motor, cranial). (medlink.com)
  • Charcot-Marie-Tooth disease type 2A (CMT2A) is an inherited axonal peripheral neuropathy mainly caused by mutations in the mitofusin 2 (MFN2) gene encoding for the MFN2 protein, a GTPase involved in the mitochondrial dynamics and bioenergetics. (fortuneonline.org)
  • These results support the hypothesis that the mutation in the MFN2 gene altering mitochondrial bioenergetics and fusion causes axonal sensory-motor neuropathy. (fortuneonline.org)
  • Depending on the motor conduction velocity (MCV) found on the median nerve at electrodiagnostic evaluation (EDX), CMTs can be classified into three principal groups, demyelinating (MCV ≤35 m/sec), intermediaries (MCV between 35 and 45 m/sec) or axonal (≥45 m/sec)[2]. (fortuneonline.org)
  • Prolonged mechanical compression of the nerve can result in ischemic damage and/or changes in the myelination of the nerve, which in turn leads to slowing of axonal conduction velocity, nerve block, and in severe cases axonal loss [ 1 , 2 ]. (biomedcentral.com)
  • It is predominantly axonal and mainly involving sensory nerve. (ijpp.com)
  • Diabetic amyotrophy is predominantly a motor condition that involves various elements of the lumbosacral plexus, particularly those related to the femoral nerve. (medlink.com)
  • Clinical examination is often sufficient to reliably diagnose leprous neuropathy. (medscape.com)
  • EMG is the most important component of electrodiagnosis of motor neuron diseases as it often leads to the identification of motor neuron involvement before clinical evidence can be seen. (wikipedia.org)
  • The clinical characteristics of diphtheritic polyneuropathy are presented in detail to remind clinicians of the key diagnostic features of this major cause of neuropathy and the value of a throat examination in persons with AFP. (cdc.gov)
  • A decreased nerve conduction velocity (NCV) is a clinical hallmark of peripheral nerve demyelination, and albumin-cytological dissociation can assist in making the diagnosis. (thenerve.net)
  • The former result may suggest a role for residual tactile sensitivity through afferent fibers spared by the median nerve compression, whereas the latter finding is reminiscent of compensatory strategies to prevent object slip elicited by anesthesia of the fingertips [ 7 - 10 ]. (biomedcentral.com)
  • 2 ] In recent years, ultrasonography (US) has also been used for the diagnosis of CTS, because US tracking of the median nerve helps detect morphological changes and external compression. (archivesofrheumatology.org)
  • Atrophy of the thenar muscle group is a late sign (see Motor examination below). (medscape.com)
  • The mother presented a distal muscle atrophy in the legs, the father was asymptomatic. (fortuneonline.org)
  • To examine the effect of tai chi chuan exercise on peripheral nerve modulation in patients with type 2 diabetes mellitus. (medicaljournals.se)
  • tai chi chuan, peripheral nerve modulation, diabetes mellitus. (medicaljournals.se)
  • Very few studies on prevention of diabetic neuropathy through exercise have been reported, and no study utilizing TCC exercise for the prevention of neuropathy or improvement of the nerve conduction studies in patients with diabetes mellitus (DM) has been reported in the literature. (medicaljournals.se)
  • Diabetic amyotrophy is a disabling neuropathy that usually occurs in patients with type 2 diabetes mellitus in middle or later age. (medlink.com)
  • CSP is an inhibitory spinal reflex which appears following strong electrical stimulation of a cutaneous nerve and causes suppression of voluntary muscle contraction for a certain period of time. (hasekidergisi.com)
  • As injury progresses, fine, terminal cutaneous nerves can also be injured, but this type of injury is rare and has not been found in all reported studies [1]. (austinpublishinggroup.com)
  • 9. Çelik M, Us Ö, Işık N : Latency and amplitude abnormalities of N18 potential in median nerve SEP. (ceotech.net)
  • Anzini P, Neuberg DH, Schachner M, Nelles E, Willecke K, Zielasek J, Toyka KV, Suter U, Martini R. Structural abnormalities and deficient maintenance of peripheral nerve myelin in mice lacking the gap junction protein connexin 32. (2medicalcare.com)
  • In neuroscience, nerve conduction velocity (CV) is the speed at which an electrochemical impulse propagates down a neural pathway. (wikipedia.org)
  • The distance between the stimulating and receiving electrodes is divided by the impulse latency, resulting in conduction velocity. (wikipedia.org)
  • There is slowing of the ulnar motor conduction velocity across both elbows. (fibromyalgiaforums.org)
  • On analysis, statistically significant lowering of sural nerve conduction velocity ( P = 0.002) and amplitude ( P = 0.003) was found with decreasing FEV1% in the three stages of COPD. (ijpp.com)
  • Patients with skin lesions overlying peripheral nerve trunks are more prone to the development of sensory or motor impairment. (medscape.com)
  • The inflammatory neuropathies affect 1 to 2 individuals per 100,000 population, resulting in major disability and impairment even with treatment. (nursingcenter.com)
  • To the extent that an impairment of nerve function is reversible in initial phases, early identification may be important to prevent chronicity. (sjweh.fi)
  • Entrapment neuropathy (EN) develops as a complication in patients with stroke, especially in those who are treated in rehabilitation units, and there is not enough data available regarding the specific period when this complication begins. (org.pk)
  • 5. Işık N, Us Ö, Çelik M : The changes of long latency reflex responses in patiens with multiple sclerosis. (ceotech.net)
  • Although facial nerve involvement is common in typical Guillain-Barré syndrome, the temporal association with treatment, near-complete resolution and later recurrence support the association. (biomedcentral.com)
  • Death from diphtheria occurs by parasympathetic dysfunction of the vagal nerve with cardiac arrhythmias, myocarditis, or from respiratory paralysis caused by laryngeal involvement ( 2 ). (cdc.gov)
  • Extra-articular involvement, such as pulmonary fibrosis, subcutaneous nodules, and peripheral neuropathy may be seen in 10-20% of RA cases. (archivesofrheumatology.org)
  • 12. Renkiltepe N, Akyüz G, Doğan N, Tomi - Yılmaz I, Canbulat N, Us Ö, Kayhan Ö : Electophysiological assesment of peripheral nerve involvement in diabetic patients. (ceotech.net)
  • Results from this study suggest that fasting blood glucose and peripheral nerve conduction velocities in diabetic patients can be improved by 12 weeks tai chi chuan exercise. (medicaljournals.se)
  • Now a large and ever increasing number of genetic subtypes has been described, and major advances in molecular and cellular biology have clarified the understanding of the role of different proteins in the physiology of peripheral nerve conduction in health and in disease. (medscape.com)
  • patient has numbness of dig I,II and low sensory signals from Dig I-III but normal CMAP amplitude Normal latency from APB and normal sensory signals from dig V. A likely diagnosis is: 1. (slideshare.net)
  • Besides the findings of the NCV showing both of your ulnar nerves being pinched at the elbow (extremely common), that EMG is completely normal. (fibromyalgiaforums.org)
  • Inherited neuropathies in which autonomic or sensory features predominate, conditions in which the neuropathy is part of a multiple-organ disturbance, and neuropathies with specific metabolic dysfunction are not discussed. (medscape.com)
  • Therefore, your problems are not due to lower motor neuron dysfunction or neuropathy or myopathy. (fibromyalgiaforums.org)
  • There was a significantly positive correlation between the connectivity of parafascicular nucleus-dorsal putamen projection and motor deficits. (bvsalud.org)
  • The connectivity from the parafascicular nucleus to the subthalamic nucleus was negatively correlated with motor deficits and apathy, while the connectivity from the parafascicular nucleus to the nucleus accumbens was negatively associated with depression. (bvsalud.org)
  • CTS also results in sensory deficits in the thumb, index, middle, and radial half of the ring finger (palmar and the most distal dorsal aspect of these digits). (biomedcentral.com)
  • In severe cases, CTS can also cause motor deficits particularly in the thumb. (biomedcentral.com)
  • Similarities to other symptom complexes have produced newer and more descriptive terms such as "diabetic lumbosacral radiculoplexus neuropathy" and "diabetic mononeuritis multiplex. (medlink.com)
  • Although patients often have difficulty isolating the sensory complaints to the median-innervated digits, sensory findings on examination are typically limited to the distribution of the median nerve. (medscape.com)
  • Other forms of chronically acquired inflammatory neuropathies include Lewis Sumner syndrome, a pure sensory disorder, and distal demyelinating neuropathy ( Table 1 ). (nursingcenter.com)
  • Whereas HSP is primarily considered as an upper motoneuron disorder, our data suggest a more widespread affection of motor and sensory tracts in the central and peripheral nervous system as a common finding in HSP. (biomedcentral.com)
  • Unilateral facial nerve palsy is a relatively common neurological disorder with a good prognosis. (e-acn.org)
  • Peripheral nerve damage of either the myelin or axon is mediated by an immune cascade involving cytokines, monocytes, and complement-fixing antibodies. (nursingcenter.com)
  • This is not surprising given the strong evidence for interaction between myelin and axon gene expression in development and after experimental nerve lesions. (medscape.com)
  • Adlkofer K, Frei R, Neuberg DH, Zielasek J, Toyka KV, Suter U. Heterozygous peripheral myelin protein 22-deficient mice are affected by a progressive demyelinating tomaculous neuropathy. (2medicalcare.com)
  • Using ultrasonography, the median nerve cross-sectional areas (CSAs) were measured from the four levels of the distal one third of the forearm, radioulnar joint, pisiform bone, and hook of hamate, while the ulnar nerve CSAs were measured from the pisiform bone. (archivesofrheumatology.org)
  • Different sensory receptors are innervated by different types of nerve fibers. (wikipedia.org)
  • Only 60% of the axons in the nerve to a given muscle are motor to the muscle fibers that make up the bulk of the muscle. (medscape.com)
  • The nerve supply branches within the muscle belly, forming a plexus from which groups of axons emerge to supply the muscle fibers. (medscape.com)
  • The axons supply single motor endplates placed about halfway along the muscle fibers. (medscape.com)
  • A motor unit comprises a motor neuron in the spinal cord or brainstem together with the squad of muscle fibers it innervates. (medscape.com)
  • CI can often cause peripheral neuropathy, and recent studies have reported that injury to large, myelinated fibers is obvious but lacking in small, myelinated, or unmyelinated fibers [1]. (austinpublishinggroup.com)