Number and Size of Motor Units in Thenar Muscles

Clinical Anatomy

Volumn 17, Issue 4, 2004, Pages 308-311

  Santo Neto, Humberto ^a   Meciano Filho, José ^a   Passini Jr , Renato ^a   Marques, Maria Julia ^a  

^a UNIVERSITY OF CAMPINAS   (Brazil)

Author keywords

Abductor pollicis brevis; Adductor pollicis; Flexor pollicis brevis; Motor unit number estimation; Opponens pollicis; Thenar muscles

Indexed keywords

ADDUCTOR POLLICIS; ADDUCTOR POLLICIS BREVIS; ADULT; AGED; ARTICLE; CADAVER; FEMALE; FLEXOR POLLICIS BREVIS; HAND MUSCLE; HISTOLOGY; HUMAN; HUMAN TISSUE; MALE; MOTOR UNIT; MUSCLE EXCITATION; MUSCLE MASS; OPPONENS POLLICIS; PRIORITY JOURNAL; THENAR;

ADULT; AGED; AXONS; CADAVER; FEMALE; HAND; HUMANS; IMAGE PROCESSING, COMPUTER-ASSISTED; MALE; MIDDLE AGED; MOTOR NEURONS; MUSCLE, SKELETAL; ULNAR NERVE;

EID: 2342462236     PISSN: 08973806     EISSN: None     Source Type: Journal    
DOI: 10.1002/ca.10205     Document Type: Article

References (26)

1. Ajmani ML. 1996. Variations in the motor nerve supply of the thenar and hypothenar muscles of the hand. J Anat 189:145-150.
2. Balice-Gordon RJ. 1997. Age-related changes in neuromuscular innervation. Muscle Nerve Suppl 5:S83-S87.
3. Basmajian JV. 1974. Muscles alive: their functions revealed by electromyography. Baltimore: Williams & Wilkins. p 224-228.
4. Blevins CE. 1967. Innervation patterns of the human stapedius muscle. Arch Otolaryngol 86:136-142.
5. Brown WF, Chan KM. 1997. Quantitative methods for estimating the number of motor units in human muscles. Muscle Nerve Suppl 5:S70-S73.
6. Cardasis CA. 1983. Ultrastructural evidence of continued reorganization at the aging (11-26 months) rat soleus neuromuscular junction. Anat Rec 207:399-415.
7. Carvalho VC. 1976. Study of motor units and arrangement of myons of human musculus plantaris. Acta Anat 96:444-448.
8. Carvalho VC, Cintra AID, Santo Neto H. 1988. Motor units and functional anatomy of the human musculus opponens digiti minimi. Anat Anz 165:65-68.
9. Chan KM, Doherty TJ, Brown WF. 2001. Contractile properties of human motor units in health, aging, and disease. Muscle Nerve 24:1113-1133.
10. Doherty TJ, Brown WF. 1993. The estimated numbers and relative sizes of thenar motor units as selected by multiple point stimulation in young and older adults. Muscle Nerve 16:355-366.
11. Eccles JC, Sherrington CS. 1930. Numbers and contraction-values of individual motor-units examined in some muscles of the limb. Proc R Soc London 106:326-357.
12. English DT, Blevins CE. 1969. Motor units of laryngeal muscles. Arch Otolaryngol 89:778-784.
13. Feinstein B, Lindegard B, Nyman E, Wohlfart G. 1955. Morphological studies of motor units in normal human muscles. Acta Anat 23:127-142.
14. Felice KJ. 1995. Thenar motor unit number estimates using the multiple point stimulation technique: reproducibility studies in ALS patients and normal subjects. Muscle Nerve 18:1412-1416.
15. Galea V, De Bruin H, Cavasin R, McComas AJ. 1991. The numbers and relative sizes of motor units estimated by computer. Muscle Nerve 14:1123-1130.
16. Gregori B, Accornero N, Canero G. 2001. Electrophysiologic correlates of anomalous course of the median nerve thenar motor branch. Muscle Nerve 24:1248-1249.
17. Karnovsky MJ. 1965. A formaldehyde-glutaraldehyde fixative of high osmolality for use in electron microscopy. J Cell Biol 27:137A.
18. McComas AJ. 1995. Motor unit estimation: anxieties and achievements. Muscle Nerve 18:369-379.
19. McComas AJ. 1998. Motor units: how many, how large, what kind? J Electromyogr Kinesiol 8:391-402.
20. McComas AJ, Fawcett PRW, Campbell MJ, Sica REP. 1971. Electrophysiological estimation of the number of motor units within a human muscle. J Neurol Neurosurg Psychiatr 34:121-137.
21. Olave E, Prates JC, Gabrielli C, Pardi P. 1996. Morphometric studies of the muscular branch of the median nerve. J Anat 189:445-449.
22. Pastor J, Ucles P, de Castro AR. 2001. Electrophysiological study of the anomalous innervation of the hand. Rev Neurol 32:112-118.
23. Santo Neto H, Carvalho VC, Marques MJ. 1998. Estimation of the number and size of human flexor digiti minimi muscle motor units using histological methods. Muscle Nerve 21: 112-114.
24. Santo Neto H, Carvalho VC, Penteado CV. 1985. Motor units of the human abductor digiti minimi. Arch Ital Anat Embryol 90:47-51.
25. Sica REP, McComas AJ, Upton ARM, Longmire D. 1974. Motor unit estimations in small muscles of the hand. J Neurol Neurosurg Psychiat 37:55-67.
26. Slawnych M, Laszlo C, Hershler C. 1996. Motor unit estimates obtained using the new "MUESA" method. Muscle Nerve 19:626-636.