Abstract:
:To evaluate the effect of concurrent augmented feedback on isometric force output during familiar and unfamiliar muscle movements, 18 men and 21 women, 18 to 23 years of age, completed two isometric exercises: flexion of the thumb (a familiar muscle movement) and abduction of the fifth digit (an unfamiliar movement). The exercises consisted of 10 maximum voluntary isometric contractions lasting 10 s each and separated by 10-s intertrial rest intervals. Concurrent visual feedback was provided during alternate contractions. The order of exercises and trials for feedback was randomly assigned and balanced over subjects. Peak force output during abduction of the fifth digit was significantly (p less than or equal to .01) greater with (4.4 +/- 0.29 kg) than without feedback (4.1 +/- 0.26 kg). Feedback did not influence (p greater than .05) peak force output during thumb flexion (23.2 +/- 1.09 kg vs 22.5 +/- 1.05 kg). Muscular fatigue was more pronounced during thumb flexion without feedback (18.4 +/- 1.17%) than when feedback was provided (11.8 +/- 1.36%). These data suggest that fatigue may increase the effect of feedback on force generation during familiar muscular movements. To obtain maximal isometric force measures during strength testing, augmented feedback should be provided.
journal_name
Res Q Exerc Sportjournal_title
Research quarterly for exercise and sportauthors
Graves JE,James RJdoi
10.1080/02701367.1990.10607480subject
Has Abstractpub_date
1990-03-01 00:00:00pages
75-9issue
1eissn
0270-1367issn
2168-3824journal_volume
61pub_type
临床试验,杂志文章,随机对照试验abstract:PURPOSE:The requirement for postural stability during the performance of motor skills has been clearly demonstrated in infants, but the necessity for such a postural substrate is not well documented in adults. The present study investigated the role of postural stability during a ballistic ball-kicking task in adults b...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2017.1303134
更新日期:2017-06-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2019.1639602
更新日期:2019-12-01 00:00:00
abstract::With the needs of experienced teachers potentially overshadowed by a focus on recruitment, the purpose of this study was to retrospectively explore the reasons why three experienced physical education teachers resigned. They were interviewed through Louis and Smith's (1990) quality of work life (QWL) model. Data sugge...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2007.10599448
更新日期:2007-12-01 00:00:00
abstract::Qualitative research encompasses two distinct approaches, interpretive research and critical research. Locke has provided an excellent review of the assumptions and methods of interpretive research. His article provides an important service to the field by informing the broad range of scholars within physical educatio...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章,评审
doi:10.1080/02701367.1989.10607408
更新日期:1989-03-01 00:00:00
abstract::The purpose of this study was to determine whether the Index of Coordination (IdC) and the propulsive phase durations can differentiate performance level during a maximal 400-m front crawl swim trial. Sixteen male swimmers constituted two groups based on performance level (G1: experts; G2: recreational). All participa...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2011.10599716
更新日期:2011-03-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1993.10608775
更新日期:1993-03-01 00:00:00
abstract::Statewide physical fitness testing is gaining popularity in the United States because of increased childhood obesity levels, the relations between physical fitness and academic performance, and the hypothesized relations between adult characteristics and childhood physical activity, physical fitness, and health behavi...
journal_title:Research quarterly for exercise and sport
pub_type:
doi:10.1080/02701367.2009.10599610
更新日期:2009-12-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2011.10599758
更新日期:2011-06-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2019.1693012
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章,随机对照试验
doi:10.1080/02701367.2018.1510170
更新日期:2018-12-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2002.10609017
更新日期:2002-09-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2016.1166474
更新日期:2016-06-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1992.10607555
更新日期:1992-03-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2017.1270157
更新日期:2017-03-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2012.10599875
更新日期:2012-09-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2004.10609143
更新日期:2004-06-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章,随机对照试验
doi:10.1080/02701367.2019.1674443
更新日期:2020-06-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2019.1650878
更新日期:2020-03-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2010.10599696
更新日期:2010-09-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1080/02701367.1994.10607635
更新日期:1994-12-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2005.10599315
更新日期:2005-12-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2017.1335851
更新日期:2017-09-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2015.1023099
更新日期:2015-06-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1990.10607495
更新日期:1990-12-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
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更新日期:2020-05-13 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2013.843399
更新日期:2013-12-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
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更新日期:1997-03-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1991.10607538
更新日期:1991-12-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2019.1576838
更新日期:2019-06-01 00:00:00
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2019.1600652
更新日期:2019-09-01 00:00:00