The Corticospinal Tract and the Plantar Response: Difference between revisions
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<div class="editorbox"> '''Original Editor '''- [[User:Amr Abd El-Razeq|Amr Abd El-Razeq]] '''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}</div> | <div class="editorbox"> '''Original Editor '''- [[User:Amr Abd El-Razeq|Amr Abd El-Razeq]] '''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}</div> | ||
== Introduction == | == Introduction == | ||
The Plantar response is an integral part of any routine neurological exam. First introduced as the Babinski reflex by Joseph Francois Felix Babinski in 1896. He observed that pricking the affected side in hemiplegic patients affected by a pyramidal tract lesion would cause big toe extension even | The Plantar response is an integral part of any routine neurological exam. First introduced as the [[Babinski Sign|Babinski reflex]] by Joseph Francois Felix Babinski in 1896. He observed that pricking the affected side in hemiplegic patients affected by a pyramidal tract lesion would cause big toe extension even in patients who could not extend their toes voluntarily<ref>Babinski J. Sur le réflexe cutané plantaire dans certains affections organiques du système nerveux central. 1896.</ref>, and in later publications Babinski described that the response was best elicited with a firm stroke of the lateral sole of the foot<ref>Babinski J. Relachement des muscles dans l'hémiplégie organique. 1896.</ref>. | ||
In 1904, an American neurologist by the name of Alfred Gordon, described a similar response in patients with pyramial tract lesions, when firmly pressing the middle or lower portion of the calf muscles, even producing an extensor response in patients who exhibited an absent Babinski reflex<ref>Gordon A. A new reflex: paradoxic flexor reflex. Its diagnostic value. Am Med. 1904;8:971.</ref>. | In 1904, an American neurologist by the name of Alfred Gordon, described a similar response in patients with pyramial tract lesions, when firmly pressing the middle or lower portion of the calf muscles, even producing an extensor response in patients who exhibited an absent Babinski reflex<ref>Gordon A. A new reflex: paradoxic flexor reflex. Its diagnostic value. Am Med. 1904;8:971.</ref>. | ||
In 1911, Charles Gilbert Chaddock who had worked under Babinski in France, | In 1911, Charles Gilbert [[Chaddock Reflex|Chaddock]] who had worked under Babinski in France, published his own version of the Babinski reflex in which the lateral inframalleolar skin was stroked, rather the sole of the foot<ref>Chaddock CG. A preliminary communication concerning a new diagnostic nervous sign. Interstate Med J. 1911;18:742-6.</ref><ref>Chaddock CG. An explanation of the external malleolar sign made with a view to incite study of it to determine its place in semiology. J Mo State Med Assoc. 1911;8:138-44.</ref><ref>Chaddock CG. The external malleolar sign. Interstate Med J. 1911;13:1026-38.</ref>. | ||
Hermann Oppenheim who was celebrated in Germany in a similar regard to Babinski in France, described another version of the response achieved by firmly stroking the medial tibia<ref>Oppenheim H. Zur Pathologie der Hautreflexe an den unteren Extremitäten. European Neurology. 1902;12(6):518-30.</ref>.<br><br>While the Babinski is by far the most popular test used by clinicians worldwide, these other variations have their advantages and are worth knowing to increase the accuracy of the neurological examination. | Hermann [[Oppenheim Test|Oppenheim]] who was celebrated in Germany in a similar regard to Babinski in France, described another version of the response achieved by firmly stroking the medial tibia<ref>Oppenheim H. Zur Pathologie der Hautreflexe an den unteren Extremitäten. European Neurology. 1902;12(6):518-30.</ref>.<br><br>While the Babinski is by far the most popular test used by clinicians worldwide, these other variations have their advantages and are worth knowing to increase the accuracy of the neurological examination. | ||
== Evidence == | == Evidence == | ||
A study | A study published in 2008 has shown that the [[Babinski Sign|Babinski reflex]] was the most consistent between examiners, and that the most reliable combination was that of the Babinski and the Chaddock reflexes<ref>Singerman J, Lee L. [https://onlinelibrary.wiley.com/doi/full/10.1111/j.1468-1331.2008.02219.x Consistency of the Babinski reflex and its variants]. European journal of neurology. 2008 Sep;15(9):960-4.</ref>. | ||
A study | A study published in 2015 was conducted to compare between the Babinski, Chaddock, and Oppenheim reflexes found that the Babinski was of higher sensitivity, and that the Babinski and the Chaddock demonstrated similar sensitivity and PPV<ref>Araújo R, Firmino-Machado J, Correia P, Leitão-Marques M, Carvalho J, Silva M, Nogueira A, Nunes C. [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5764473/ The plantar reflex: A study of observer agreement, sensitivity, and observer bias]. Neurology: Clinical Practice. 2015 Aug 1;5(4):309-16.</ref>. | ||
== References == | == References == | ||
Latest revision as of 10:59, 20 February 2021
Original Editor - Amr Abd El-Razeq Top Contributors - Amr Abd El-Razeq, Kim Jackson and Vidya Acharya
Introduction[edit | edit source]
The Plantar response is an integral part of any routine neurological exam. First introduced as the Babinski reflex by Joseph Francois Felix Babinski in 1896. He observed that pricking the affected side in hemiplegic patients affected by a pyramidal tract lesion would cause big toe extension even in patients who could not extend their toes voluntarily[1], and in later publications Babinski described that the response was best elicited with a firm stroke of the lateral sole of the foot[2].
In 1904, an American neurologist by the name of Alfred Gordon, described a similar response in patients with pyramial tract lesions, when firmly pressing the middle or lower portion of the calf muscles, even producing an extensor response in patients who exhibited an absent Babinski reflex[3].
In 1911, Charles Gilbert Chaddock who had worked under Babinski in France, published his own version of the Babinski reflex in which the lateral inframalleolar skin was stroked, rather the sole of the foot[4][5][6].
Hermann Oppenheim who was celebrated in Germany in a similar regard to Babinski in France, described another version of the response achieved by firmly stroking the medial tibia[7].
While the Babinski is by far the most popular test used by clinicians worldwide, these other variations have their advantages and are worth knowing to increase the accuracy of the neurological examination.
Evidence[edit | edit source]
A study published in 2008 has shown that the Babinski reflex was the most consistent between examiners, and that the most reliable combination was that of the Babinski and the Chaddock reflexes[8].
A study published in 2015 was conducted to compare between the Babinski, Chaddock, and Oppenheim reflexes found that the Babinski was of higher sensitivity, and that the Babinski and the Chaddock demonstrated similar sensitivity and PPV[9].
References[edit | edit source]
- ↑ Babinski J. Sur le réflexe cutané plantaire dans certains affections organiques du système nerveux central. 1896.
- ↑ Babinski J. Relachement des muscles dans l'hémiplégie organique. 1896.
- ↑ Gordon A. A new reflex: paradoxic flexor reflex. Its diagnostic value. Am Med. 1904;8:971.
- ↑ Chaddock CG. A preliminary communication concerning a new diagnostic nervous sign. Interstate Med J. 1911;18:742-6.
- ↑ Chaddock CG. An explanation of the external malleolar sign made with a view to incite study of it to determine its place in semiology. J Mo State Med Assoc. 1911;8:138-44.
- ↑ Chaddock CG. The external malleolar sign. Interstate Med J. 1911;13:1026-38.
- ↑ Oppenheim H. Zur Pathologie der Hautreflexe an den unteren Extremitäten. European Neurology. 1902;12(6):518-30.
- ↑ Singerman J, Lee L. Consistency of the Babinski reflex and its variants. European journal of neurology. 2008 Sep;15(9):960-4.
- ↑ Araújo R, Firmino-Machado J, Correia P, Leitão-Marques M, Carvalho J, Silva M, Nogueira A, Nunes C. The plantar reflex: A study of observer agreement, sensitivity, and observer bias. Neurology: Clinical Practice. 2015 Aug 1;5(4):309-16.
