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Topic: Adductor pollicis


  
  IV. Myology. 7e. The Muscles and Fasciæ of the Forearm. Gray, Henry. 1918. Anatomy of the Human Body.
The tendon is crossed near its insertion by the tendons of the Abductor pollicis longus and Extensor pollicis brevis; on its ulnar side is the radial artery.
—Absence; fusion of tendon with that of the Extensor pollicis longus.
tendons of the Abductor pollicis longus and of the Extensores pollicis longus and brevis.
www.bartleby.com /107/125.html   (4326 words)

  
 Research Results For Artery   (Site not responding. Last check: 2007-10-12)
The abductor pollicis brevis is one of the muscles forming the thenar eminence, the muscle mass of the thumb.
The adductor magnus is a large triangular muscle that forms a dividing wall between the muscles of the inner thigh and those on the back of the thigh.
The adductor transversus hallucis (adductor hallucis) is a narrow, flat band of muscle tissue that originates from the medial process of the tuber calcanei, the flexor retinaculum, and the plantar aponeurosis.
www.probertencyclopaedia.com /cgi-bin/res.pl?keyword=Artery&offset=0   (1643 words)

  
 Radial artery - Wikipedia, the free encyclopedia
These make their appearance between the medial and lateral insertions of the Adductor pollicis obliquus, and run along the sides of the thumb, forming on the volar surface of the last phalanx an arch, from which branches are distributed to the integument and subcutaneous tissue of the thumb.
The arteria volaris indicis radialis (radialis indicis artery) arises close to the preceding, descends between the first Interosseus dorsalis and Adductor pollicis transversus, and runs along the radial side of the index finger to its extremity, where it anastomoses with the proper digital artery, supplying the ulnar side of the finger.
It lies upon the carpal extremities of the metacarpal bones and on the Interossei, being covered by the Adductor pollicis obliquus, the Flexor tendons of the fingers, and the Lumbricales.
en.wikipedia.org /wiki/Radial_artery   (1149 words)

  
 Gray, Henry. 1918. Anatomy of the Human Body. Page 462
The Adductor pollicis (obliquus) (Adductor obliquus pollicis) arises by several slips from the capitate bone, the bases of the second and third metacarpals, the intercarpal ligaments, and the sheath of the tendon of the Flexor carpi radialis.
—The Abductor brevis, Opponens, and lateral head of the Flexor pollicis brevis are supplied by the sixth and seventh cervical nerves through the median nerve; the medial head of the Flexor brevis, and the Adductor, by the eighth cervical through the ulnar nerve.
The Adductor pollicis is the opponent of this muscle, and approximates the thumb to the palm.
www.bartleby.com /107/pages/page462.html   (343 words)

  
 Chapter 11: THE HAND
11-5) are the abductor pollicis brevis, flexor pollicis brevis, opponens pollicis, adductor pollicis, and the first palmar and dorsal interossei.
11-5 The "ulnar bursa" and the "radial bursa" are clinical terms for, respectively, the synovial sheath common to all the superficialis and profundus tendons and the sheath of the flexor pollicis longus.
The adductor pollicis, together with the deep head of the flexor brevis and the first palmar interosseus, is supplied by the ulnar nerve.
www.dartmouth.edu /~humananatomy/part_2/chapter_11.html   (4706 words)

  
 Abstract Collaborations 6   (Site not responding. Last check: 2007-10-12)
The pharmacokinetic-pharmacodynamic relationship of rocuronium at the laryngeal adductor muscles and the adductor pollicis was determined in eight patients during general anesthesia.
The concentration in the effect compartment producing 50% of the maximum effect was significantly greater at the adductor laryngeal muscles (1424 +/- 148 micrograms.L-1) than at the adductor pollicis (823 +/- 157 micrograms.L-1, p = 0.0001).
The shorter onset of neuromuscular blockade at the laryngeal muscles than at the adductor pollicis may be explained by a faster transfer rate at the laryngeal adductor muscles neuromuscular junction than at the adductor pollicis neuromuscular junction.
www.med.rug.nl /resgrp/abstractcol6.htm   (174 words)

  
 Adductor Pollicis - Wheeless' Textbook of Orthopaedics
- adductor pollicis consists of 2 parts, one of which is transverse and other oblique;
Restoration of pinch in ulnar nerve palsy by transfer of split extensor digiti minimi and Extensor Indicis.
The origin and innervation of the adductor pollicis muscle.
www.wheelessonline.com /ortho/adductor_pollicis   (246 words)

  
 Applied MSK anatomy of the hand
The muscles forming the bulge of the thenar eminence are the abductor pollicis brevis, the flexor pollicis brevis and the opponens pollicis.
The adductor of the thumb lies in the palm, together with the adductors of the other digits, and is innervated by the ulnar nerve.
The adductor pollicis arises by oblique and transverse heads from the second and third metacarpal bones and inserts into the base of the proximal phalanx of the thumb.
www.med.mun.ca /anatomyts/msk/hand.htm   (952 words)

  
 Apparatus and method for the quantitative measurement of the isometric contraction of the adductor pollicis muscle - ...   (Site not responding. Last check: 2007-10-12)
The output signal from the force transducer is proportional to the force of thumb adduction produced by increased isometric tension in the adductor pollicis muscle evoked by stimulation of the ulnar nerve at the wrist.
The adductor pollicis muscle is the only ulnar nerve supplied muscle, so that there is reasonable assurance that the same muscle mass is excited by voluntary and electrical stimulation.
According to the invention, the tension developed in an adductor pollicis muscle in response to ulnar nerve stimulation is quantitatively measured.
www.freepatentsonline.com:9003 /4236528.html   (5597 words)

  
 The effect of hypothermia on adductor pollicis twitch tension during continuous infusion of vecuronium in ...   (Site not responding. Last check: 2007-10-12)
The effect of hypothermia on adductor pollicis twitch tension during continuous infusion of vecuronium in isoflurane-anesthetized humans -- Heier et al.
The effect of hypothermia on adductor pollicis twitch tension during continuous infusion of vecuronium in isoflurane-anesthetized humans
pollicis was determined during a constant rate infusion of vecuronium.
www.anesthesia-analgesia.org /cgi/content/abstract/78/2/312   (271 words)

  
 Biomechanics of the thumb
Rapid flexion of the thumb's IP joint involves the flexor pollicis longus (FPL), and is often accompanied by palpable activity in the abductor pollicis longus.
Rapid extension of the thumb's IP joint involves the extensor pollicis longus (EPL), and is often accompanied by palpable activity in the thenar muscles.
Activity in the opponens pollicis counters the EPL's tendency to extend the first CMC joint or adduct it in a plane perpendicular to the palm.
moon.ouhsc.edu /gsharp/namics/thumb.htm   (294 words)

  
 Anatomy Tables - Hand
transmits the flexor pollicis longus, flexor digitorum superficialis and profundus, and the median n.
contains the adductor pollicis, 3 palmar interossei, 4 dorsal interossei, the deep palmar arterial arch, and the deep branch of the ulnar n.
the synovial sheath of the tendon of flexor pollicis longus
www.med.umich.edu /lrc/coursepages/m1/anatomy/html/musculoskeletal_system/hand_tables.html   (2155 words)

  
 Prelab Images - Hand
Plate 448 also shows adductor pollicis, which is not a thenar compartment muscle.
Plate 444 (top picture) shows that adductor pollicis has oblique and transverse heads, but the two are not labeled.
Plate 448 (top) shows adductor pollicis cut at its origin where you want to cut it to reflect it.
anatomy.med.umich.edu /musculoskeletal_system/hand_pre.html   (988 words)

  
 AAOS On-Line Service Orthopaedic Short Stories - Acute ulnar Collateral Ligament
The adductor pollicis inserts on the ulnar sesamoid and the extensor mechanism via the adductor aponeurosis.
Adductor aponeurosis interposition may occur only in complete ruptures, and is called Stener's lesion (figure 8).
After complete rupture of the UCL of the MCP of the thumb from its distal attachment (B) the adductor aponeurosis may interpose between the origin of the UCL and the ligament (C).
www5.aaos.org /case/ucl/discuss.htm   (507 words)

  
 Linking Hand Biomechanics and Functional Ability after Tetraplegia   (Site not responding. Last check: 2007-10-12)
Neuroprosthesis user - The subject's typical functional grasp generated 14.8 N of pinch force by stimulation of the adductor pollicis and the flexor pollicis longus; and the subject was able to easily lift the paperweight with this grasp pattern.
Comparison of force levels with the adductor pollicis indicates that the abduction force was responsible for causing the slip to occur, and slip was shown to occur between 1.6 and 2.7 N. Distal forces as high as 5.7 N and flexion forces as high as 17.1 N did not produce slip.
Stimulation of both abductor pollicis brevis and adductor pollicis simultaneously demonstrated that muscle forces could be combined to increase pinch force and reduce slip.
guide.stanford.edu /Projects/03projects/murray2.html   (909 words)

  
 BIOMECHANICS OF THE THUMB   (Site not responding. Last check: 2007-10-12)
Rapid flexion of the thumb's IP joint involves the flexor pollicis longus, and is accompanied by CMC abduction.
Rapid extension of the thumb's IP joint involves the extensor pollicis longus, and is accompanied by CMC flexion.
This CMC movement is evidence that the opponens pollicis acts to counter the EPL's tendency to extend CMC joint or to adduct it in a plane perpendicular to the palm.
w3.ouhsc.edu /dthompso/namics/thumb.htm   (193 words)

  
 Adductor pollicis muscle fatigue during acute and chronic altitude exposure and return to sea level -- Fulco et al. 77 ...
Adductor pollicis muscle fatigue during acute and chronic altitude exposure and return to sea level -- Fulco et al.
Adductor pollicis muscle fatigue during acute and chronic altitude exposure and return to sea level
adductor pollicis were obtained before and at the end of each minute of
jap.physiology.org /cgi/content/abstract/77/1/179   (633 words)

  
 PT Central - Muscles of the Arm
posterior surface of ulna (distal to extensor pollicis longus)
Nerve: recurrent branch of median nerve, C8,T1 Flexor pollicis brevis
Nerve: recurrent branch of median nerve, C8,T1 Adductor pollicis
www.ptcentral.com /muscles/musclearms.html   (1153 words)

  
 Rocuronium....the complete resource!   (Site not responding. Last check: 2007-10-12)
The authors compared the neuromuscular blocking effect of succinylcholine and rocuronium on the larynx, the diaphragm, and the adductor pollicis muscle.
Electromyographic response was used to compare the neuromuscular blocking effect of succinylcholine and rocuronium on the laryngeal adductor muscles, the diaphragm, and the adductor pollicis muscle.
The maximum effect was greater at the adductor pollicis (100 and 99%) than at the larynx (96 and 97%) and the diaphragm (94 and 96%) after administration of succinylcholine and rocuronium, respectively (P
www.rocuronium.com /artsumdisplay.asp?num=35   (189 words)

  
 Virtual Hospital: Atlas of Human Anatomy in Cross Section: Section 4. Upper Limb   (Site not responding. Last check: 2007-10-12)
When four palmer interosseous muscles are described the first palmer interosseous muscle is a division or part of flexor pollicis brevis or adductor pollicis.
One origin of adductor pollicis (18) from the third metacarpal bone (17) can be seen.
It is of some interest that flexor pollicis brevis is also supplied by the recurrent branch of the first palmer digital ramus of the median nerve as well as by the ulnar nerve.
www.vh.org /adult/provider/anatomy/HumanAnatomy/4Section/34.html   (231 words)

  
 [No title]
The 3 thenar muscles (muscles of the ball of the thumb) originate from the flexor retinaculum (abductor also arises from the tubercle of the scaphoid) and ridge of the trapezium.
Wrong, the answer is A. The median nerve enters the palm through the carpal tunnel just deep to the flexor retinaculum and becomes distributed to 5 muscles (thenar group and 2 lumbricals) and sensory to the lateral 3 and 1/2 digits.
The ulnar nerve supplies all the interossei, 3rd and 4th lumbricals, adductor pollicis and usually the deep head of the flexor pollicis brevis.
www.kumc.edu /research/medicine/pharmacology/CAI/webCAI/anatomy/an08.wbc   (1333 words)

  
 Non-volitional assessment of skeletal muscle strength in patients with chronic obstructive pulmonary disease -- Man et ...
Adductor pollicis muscle function was studied using the technique
Adductor pollicis twitch tension assessed by magnetic stimulation of the ulnar nerve.
The anatomy and fibre type composition of the human adductor pollicis in relation to its contractile properties.
thorax.bmjjournals.com /cgi/content/full/58/8/665   (3475 words)

  
 Simultaneous determination of neuromuscular block at the larynx, diaphragm, adductor pollicis, orbicularis oculi and ...
Simultaneous determination of neuromuscular block at the larynx, diaphragm, adductor pollicis, orbicularis oculi and corrugator supercilii muscles -- Hemmerling et al.
Simultaneous determination of neuromuscular block at the larynx, diaphragm, adductor pollicis, orbicularis oculi and corrugator supercilii muscles
Values are mean; error bars indicate standard deviation The larynx, the diaphragm and the adductor pollicis muscle monitored using EMG, the orbicularis oculi and the corrugator supercilii muscle are measured using AMG.
bja.oxfordjournals.org /cgi/content/full/85/6/856   (2730 words)

  
 biology - Thenar eminence
Flexor pollicis brevis, which lies next to the abductor, will flex the thumb, curling in up in the palm.
The third thenar muscle, opponens pollicis lies deep to abductor pollicis brevis.
Another muscle that controls movement of the thumb is adductor pollicis.
www.biologydaily.com /biology/Thenar_eminence   (284 words)

  
 Intrinsic Muscles of the Hand   (Site not responding. Last check: 2007-10-12)
The three thenar muscles produce the thenar eminence and are chiefly responsible for opposition of the thumb (flexion and medial rotation of the thumb when grasping or touching the fingers).
The adductor pollicis is not a thenar muscle but is included here because it is functionally related.
Unlike the thenar muscles, which are innervated by the recurrent branch of the medial nerve, the adductor pollicis is innervated by the deep branch of the ulnar nerve.
info.med.yale.edu /anatomy/notes/upper-limb7-3.html   (317 words)

  
 Potency of succinylcholine at the diaphragm and at the adductor pollicis muscle -- Smith et al. 67 (7): 625 -- ...   (Site not responding. Last check: 2007-10-12)
Potency of succinylcholine at the diaphragm and at the adductor pollicis muscle -- Smith et al.
electromyographic response of the adductor pollicis were measured and
for the adductor pollicis were 0.14 +/- 0.01 and 0.21 +/- 0.02 mg/kg.
www.anesthesia-analgesia.org /cgi/content/abstract/67/7/625   (245 words)

  
 Cisatracurium neuromuscular block at the adductor pollicis and the laryngeal adductor muscles in humans -- Kim et al. ...
Cisatracurium neuromuscular block at the adductor pollicis and the laryngeal adductor muscles in humans -- Kim et al.
Cisatracurium neuromuscular block at the adductor pollicis and the laryngeal adductor muscles in humans
2.7 (2.2-3.2) min at the larynx and 3.9 (3.0- 4.8) min at the adductor
bja.oxfordjournals.org /cgi/content/abstract/83/3/483   (404 words)

  
 Virtual Hospital: Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing ...   (Site not responding. Last check: 2007-10-12)
Adductor pollicis is a triangular muscle that shows a tendency to split into radial parts.
Although the muscle typically disappears as such, a part may persist and is incorporated into the adductor pollicis.
Hepburn, D. (1893) The adductor muscles of the thumb and great toe.
www.vh.org /adult/provider/anatomy/AnatomicVariants/MuscularSystem/Text/A/28Adductor.html   (374 words)

  
 Potency of atracurium on masseter and adductor pollicis muscles in children -- Saddler et al. 37 (1): 26 -- Canadian ...
Potency of atracurium on masseter and adductor pollicis muscles in children -- Saddler et al.
Potency of atracurium on masseter and adductor pollicis muscles in children
the adductor pollicis, corresponding values were 0.145 +/- 0.009 mg.kg-1,
www.cja-jca.org /cgi/content/abstract/37/1/26   (307 words)

  
 Train-of-Four Stimulation for Adductor Pollicis Neuromuscular Monitoring Can Be Applied at the Wrist or Over the Hand ...   (Site not responding. Last check: 2007-10-12)
Train-of-Four Stimulation for Adductor Pollicis Neuromuscular Monitoring Can Be Applied at the Wrist or Over the Hand -- Nepveu et al.
Adductor pollicis stimulation over the ulnar nerve at the wrist
during stimulation of the adductor pollicis in the hand and
intl.anesthesia-analgesia.org /cgi/content/abstract/100/1/149   (304 words)

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