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  • 1970-1974  (8)
  • 1965-1969  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    MOTOR-UNIT TRAINING AND INFLUENCE OF MANUAL SKILL (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Psychophysiology 5 (1969), S. 0 
    Details
    ISSN: 1469-8986
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: Employing the recently devised technique of training conscious control over individual motor units of skeletal muscles, the influence of prior manual skills was tested in 29 young adults. Twenty-five subjects succeeded with a median training-time of 20 minutes. The manually skilled took longer to train single motor units than the less skilled (at the .05 level of significance). The initial period of time to isolate a single motor unit is shorter than to train it to react on command. The technique offers a novel and useful method of testing the acquisition of a fundamental motor skill and factors which influence it. Further exploration is justified because trained motor units are now being harnessed to drive myoelectrical man–machine cybernetic devices.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1469-8986.1969.tb02864.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Force, Pain and Electrode Size in the Electrical Stimulation of Leg Muscles (1969)
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 645-645 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This communication deals with the effects of surface stimulation on normal human beings. The relationships between isometric force, pain and surface area of electrodes have been studied for stimuli which elicit tetanic contractions. Pain studies of various kinds have been performed in the past, and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/223645a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Neuromuscular Control of Trumpeters' Lips (1973)
    [s.l.] : Nature Publishing Group
    Nature 241 (1973), S. 70-70 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] With both science and art as our motives, we studied the effects of register, intensity and subjects' proficiency on the electromyographic potentials of selected facial muscles during trumpet performance by eighteen players with a wide range of experience. We recorded from bipolar fine-wire ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/241070a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Electromyography of pectineus muscle (1974)
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 180 (1974), S. 281-283 
    Details
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Using bipolar fine-wire electrodes, we investigated the function of the pectineus muscle. Electromyography revealed that the main function of pectineus muscle is flexion, adduction and medial (not lateral) rotation of the hip joint. These functions suggest that the spasm of this muscle may be important in the cause of deformities in cerebral palsy.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ar.1091800203
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Electromyography of genioglossus and geniohyoid muscles during deglutitionSupported by grants from the Medical Research Council and Defence Research Board of Canada to J. V. Basmajian. (1969)
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 165 (1969), S. 401-409 
    Details
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: An electromyographic investigation of the activity of the paired genioglossus and geniohyoid muscles of twenty-six human subjects during deglutition revealed a general pattern of muscular activity involving an initial build-up, gradual summation, and tapering of electrical potentials during swallowing of both saliva and water. There is an observable difference in the pattern of swallowing of individuals within a group and among the individual swallows of a single subject. There are longer periods of electrical activity during a saliva swallow than during a water swallow. The type of bolus also seems to affect the pattern of activity in the individual muscles as well as the length of time that they are working. The geniohyoid muscles do not appear to begin their activity with the genioglossus muscles but rather lag behind and they do not appear to be active for as long. Both pairs of muscles appear to remain active during and after the time that the bolus has passed the area of the laryngopharynx. A period of electrical silence occurs prior to the characteristic burst of activity associated with a swallow. This appears to be the result of an active inhibition.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ar.1091650309
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Electromyography of sartorius muscle (1972)
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 173 (1972), S. 127-130 
    Details
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The sartorius muscle of ten normal subjects was studied by elec-tromyography. It is most active during flexion of the hip and only slightly active during lateral rotation and abduction of the hip. The muscle is usually more active during knee flexion than during extension, but this is not universal. Apparently in some persons it plays a role in knee extension in addition to its knee flexion action, depending on knee position and variations in insertion. Sartorius appears to be a regulator in hip flexion and lateral rotation during the swing phase of gait.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ar.1091730201
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  • 7
    Electronic Resource
    Electronic Resource
    Electromyography of the human cheeks and lipsSupported in part by grant 16-P-56808/4-08 from the Social and Rehabilitation Service, Department of H.E.W., Washington, D.C. (1973)
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 176 (1973), S. 143-147 
    Details
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: To clear up indecision and disparities in the literature of muscular functions in the cheek and lips, multichannel electromyography with fine-wire intramuscular electrodes was used in eight subjects. Both facial expressions and musical performance were investigated. Intersubject variations were common in the various muscles and intrasubject variation also appeared. The production of specific notes at specific volume on the trumpet or trombone did not depend on exact patterns of activity in the muscles of the lips and buccinator. Gentle puffing out of the cheek produces little or no activity in any muscle, but when this is done forcefully the orbicularis oris activity is marked. Buccinator can be kept deliberately relaxed or active during puffing. Smiling always produces buccinator activity as does forceful retraction of the corners of the mouth. Levator anguli oris activity always recruits concurrent buccinator activity but the reverse is not true.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ar.1091760203
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    The integrated roles of longus colli and sternocleidomastoid muscles: An electromyographic studyThis work was supported by grant 16-P-56808/4-08 from the Social and Rehabilitation Service, Department of Health, Education and Welfare, Washington, D.C. We are grateful to Mr. James Perry for excellent technical assistance. (1973)
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 177 (1973), S. 471-484 
    Details
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Using bipolar fine-wire electrodes, we examined the right and left longus colli (LC) and sternocleidomastoideus (StM) muscles electromyographically in ten healthy young adults. Action potentials were recorded on FM magnetic tape and each experiment was also videotaped. The head-neck motions were recorded using a special neck goniometer. The muscles were studied in sitting, supine, prone and lateral positions, both during free movements and against resistance. There was complete inactivity in both muscles in relaxed sitting, normal breathing, deep expiration, and wet and dry swallowing. There was very marked synchronous EMG activity of the LC and StM muscles during resisted forward flexion, marked activity during neck flexion against head weight in the supine position, and during resisted right and left side-bending. Variable activity was found in both muscles during deep breathing, coughing, forceful blowing, loading on top of the head, resisted backward extension, neck holding against head weight in the prone position and in twisting movements downwards and upwards. During free flexion-extension movements, LC and StM act synchronously. During free lateral bending they work homolaterally, but during free rotation to the right, the right LC works with the left StM and vice versa.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ar.1091770402
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    The functions of semispinalis capitis and splenius capitis muscles: An electromyographic study (1974)
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 179 (1974), S. 477-480 
    Details
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The functions of the normal semispinalis capitis and splenius capitis muscles of fifteen subjects were evaluated electromyographically with bipolar fine-wire electrodes. The voltage-output data were integrated and analyzed by computer and showed that the main function of semispinalis capitis is limited to extension of the head. However, splenius capitis both extends the head and rotates it to its own side.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ar.1091790407
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  • 10
    Electronic Resource
    Electronic Resource
    Electromyography and cinematography of leg and foot (“normal” and flat) during walking (1968)
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 161 (1968), S. 1-15 
    Details
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Electromyography with fine-wire electrodes and special equipment for synchronized motion pictures were used to study six muscles of the leg and foot during walking in five different ways in ten “normal” and ten flatfooted subjects. Detailed analyses and comparisons of the two groups are described and discussed.Tibialis Anterior has two peaks of activity at heel-strike and toe-off of the stance phase; is inactive during mid-swing and middle of the stance phase; is active at full-foot in flatfooted subjects, and generally more active during toe-out and toe-in walking. Tibialis posterior is inactive through the swing phase. In flatfooted persons it becomes activated at heel-strike and more active at full-foot during level walking. The toe-out position reduces its activity. Flexor hallucis longus is most active in mid-stance; during toe-out walking, activity increases in both phases, generally being more active in “normal” persons. Peroneus longus is most active at mid-stance and heel-off and generally more active in flatfooted persons. Abductor hallucis and Flexor digitorum brevis are generally more active in flatfooted persons. An important regular pattern of inversion and eversion during the walking cycle is described. Contingent arch support by muscles rather than continuous support is the rule, muscles being recruited to compensate for lax ligaments and special stresses during the walking cycle.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ar.1091610101
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