Innervation zones of the external anal sphincter in healthy male and female subjects: Preliminary results

Digestion

Volumn 69, Issue 2, 2004, Pages 123-130

  Enck, P ^a   Franz, H ^b   Azpiroz, F ^c   Fernandez Fraga, X ^c   Hinninghofen, H ^a   Kaske Bretag, K ^b   Bottin, A ^d   Martina, S ^d   Merletti, R ^d  

^a UNIVERSITY HOSPITAL TÜBINGEN   (Germany)

^b VIVANTES KLINIKUM NEUKÖLLN   (Germany)

^c HOSPITAL UNIVERSITARI VALL D HEBRON   (Spain)

^d POLITECNICO DI TORINO   (Italy)

Author keywords

Electrode arrays; External anal sphincter; Innervation zone; Motor unit; Surface EMG

Indexed keywords

ADULT; ANALYSIS OF VARIANCE; ANUS SPHINCTER; ARTICLE; ELECTRODE; ELECTROMYOGRAM; FEMALE; HUMAN; HUMAN EXPERIMENT; MALE; MOTOR UNIT; MOTOR UNIT POTENTIAL; MUSCLE CONTRACTION; MUSCLE INNERVATION; NORMAL HUMAN; NULLIPARA; PRIORITY JOURNAL; SEX DIFFERENCE; STATISTICAL SIGNIFICANCE;

ADULT; ANAL CANAL; ANALYSIS OF VARIANCE; ELECTROMYOGRAPHY; FEMALE; HUMANS; MALE; MIDDLE AGED; SEX FACTORS;

EID: 2642565988     PISSN: 00122823     EISSN: None     Source Type: Journal    
DOI: 10.1159/000077878     Document Type: Article

References (26)

1. Binnie NR, Kawimbe BM, Papachrysostomou M, Clare N, Smith AN: The importance of the orientation of the electrode plates in recording the external anal sphincter EMG by non-invasive anal plug electrodes. Int J Colorectal Dis 1991;6:5-8.
2. Gee AS, Jones RS, Durdey P: On-line quantitative analysis of surface electromyography of the pelvic floor in patients with faecal incontinence. Br J Surg 2000;87:814-818.
3. Nielsen KK, Kristensen ES, Qvist N, Jensen KM, Dalsgard J, Krarup T, Pedersen D: A comparative study of various electrodes in electromyography of the striated urethral and anal sphincter in children. Br J Urol 1985;57:557-559.
4. O'Donnell P, Beck C, Doyle R, Eubanks C: Surface electrodes in perineal electromyography. Urology 1988;32:375-379.
5. Sorensen M, Tetzschner T, Rasmussen OO, Christiansen J: Relation between electromyography and anal manometry of the external anal sphincter. Gut 1991;32:1031-1034.
6. Enck P, Herdman J, Borgermann K, Theisen U, Zacchi P, Luebke H: Up and down the spinal cord: Afferent and efferent innervation of the human external anal sphincter. J Gastrointest Mot 1992;4:271-277.
7. Wietek B, Hinninghofen H, Jehle EC, Enck P, Franz HB: Asymmetric sphincter innervation, a contributing factor to incontinence after traumatic childbirth. Acta Obstetr Gynecol Scand, in press.
8. Dhaenens G, Emblem R, Ganes T: Fiber density in idiopatic ano-rectal incontinence, Electromyograph Clin Neurophysiol 1995;35:285-290.
9. Podnar S, Vodusek DB, Stalberg E: Comparison of quantitative techniques in anal sphincter electromyography. Muscle Nerve 2002;25:83-92.
10. Podnar S, Mrkaic M, Vodusek DB: Standardization of anal sphincter electromyography: Quantification of continuous activity during relaxation. Neurourol Urodyn 2002;21:540-545.
11. Snooks SJ, Swash M, Henry MM, Setchell M: Risk factors in childbirth causing damage to the pelvic floor innervation. Int J Colorectal Dis 1986;1:20-24.
12. Deletis V, Vodusek DB, Abbott R, Epstein FJ, Turndorf H: Intra-operative monitoring of the dorsal sacral roots: Minimizing the risk of iatrogenic micturition disorders. Neurosurgery 1992;30:72-75.
13. Merletti R, Bottin A, Cescon C, Farina D, Gazzoni M, Martina S, Mesin L, Pozzo M, Rainoldi A, Enck P: Multichannel surface EMG for the non-invasive assessment of the anal sphincter muscle. Digestion 2004;69:112-122.
14. Nelson RL: Epidemiology of fecal incontinence. Gastroenterology 2004;126:S3-7.
15. Enck P, Hinninghofen H, Wietek B, Becker HD: Functional asymmetry of pelvic floor innervation and its role in the pathogenesis of fecal incontinence. Digestion 2004;69:102-111.
16. Heesakkers JPFA, Gerretsen RR: Urinary incontinence: Sphincter functioning from a urological perspective. Digestion 2004;69:93-101.
17. Eckardt V, Konderding MA, Enck P: Ultrasonography; in Schuster MM, Crowell MD, Koch K (eds): Schuster Atlas of Gastrointestinal Motility, ed 2. Hamilton/London, Decker, 2002, pp 305-314.
18. Schäfer A, Enck P, Fürst G, Kahn T, Frieling T, Luebke HJ: Anatomy of the anal sphincters: Comparison of anal endosonography to magnetic resonance imaging. Dis Colon Rectum 1994;37:777-781.
19. Williams AB, Bartram CI, Halligan S, Marshall MM, Nicholls RJ, Kmiot WA: Multiplanar anal endosonography - normal anal canal anatomy. Colorectal Dis 2001;3:169-174.
20. Enck P, Kuhlbusch R, Luebke HJ, Frieling T, Erckenbrecht JF: Age and sex and anorectal manometry in fecal incontinence. Dis Colon Rectum 1989;32:1026-1030.
21. Beersiek F, Parks AG, Swash M: Pathogenesis of ano-rectal incontinence: A histometric study of the anal sphincter musculature. J Neurol Sci 1979;42:111-127.
22. Farina D, Mesin L, Martina S, Merletti R: A surface EMG generation model with multilayer cylindrical description of the volume conductor, IEEE Trans BME 2004;51:415-426.
23. Farina D, Merletti R, Indino B, Nazzaro M, Pozzo M: Surface EMG crosstalk between knee extensor muscles: Experimental and model results. Muscle Nerve 2002;26:681-695.
24. Deletis V, Krzan MJ, Bueno de Camargo A, Abbott R: Functional anatomical asymmetry of püudendal nerve sensory fibres; in Bruch HP, Köcherling F, Bouchard R, Schug-Pass C (eds): New Aspects of High Technology in Medicine. Milano, Monduzzi Editore, 2000, pp 153-158.
25. Hamdy S, Enck P, Aziz Q, Üngörgil S, Hobson A, Thompson DG: Laterality effects of pudendal nerve stimulation on human cortico-anal pathways: Evidence for functional asymmetry. Gut 1999;45:58-63.
26. Wunderlich M, Swash M: The overlapping innervation of the two sides of the external anal sphincter by the pudendal nerces. J Neurol Sci 1983;59:97-109.