Abstract:
CONTEXT:The infraspinatus muscle plays a particularly important role in producing primary external rotation (ER) torque and dynamic stability of the shoulder joint. Previous studies have reported that prone external rotation with horizontal abduction (PER), side-lying wiper exercise (SWE), and standing external rotation (STER) were effective exercises for strengthening the infraspinatus. However, we do not have enough knowledge about changes in muscle strength and dynamic muscle activity in each exercise under dynamic conditions. OBJECTIVE:To compare the ER muscle strength, muscle activity among exercise methods and between muscle contraction types during 3 different exercises. DESIGN:Repeated measures design in which ER muscle strength and muscle activities data were collected from subjects under 3 exercise conditions. SETTING:Outpatient clinic. PARTICIPANTS:A total of 15 healthy men with no shoulder, neck, or upper-extremity pain were participated. INTERVENTION:The subjects performed 3 different exercises randomly in concentric and eccentric using a Biodex dynamometer at an angular velocity of 60°/s. MAIN OUTCOME MEASURES:The ER peak torque (PT) data was collected and surface electromyography was used to measure the activity of the infraspinatus and posterior deltoid muscles and infraspinatus to posterior deltoid muscle activity ratio. RESULTS:There was significant main effect for muscle contraction type in ER PT (P < .05). The concentric PT was greater during PER (P < .05) and SWE (P < .05) compared with eccentric. The main effect for exercise was found in ER PT and muscle activity (P < .05). The ER PT and infraspinatus muscle activity were the largest increased during PER whereas the lowest during STER in both concentric and eccentric (P < .05). CONCLUSION:The results of this study suggest that PER is an exercise for strengthening the infraspinatus muscle effectively.
journal_name
J Sport Rehabiljournal_title
Journal of sport rehabilitationauthors
Yu IY,Lee DK,Kang MJ,Oh JSdoi
10.1123/jsr.2017-0110subject
Has Abstractpub_date
2019-03-01 00:00:00pages
229-235issue
3eissn
1056-6716issn
1543-3072journal_volume
28pub_type
杂志文章abstract:CONTEXT:Walking in water has been included in rehabilitation programs. However, there is a dearth of information regarding the influence of a water current on physiological responses, rating of perceived exertion (RPE), and stride characteristics of subjects while they walk in water. OBJECTIVE:To compare physiological...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.21.2.175
更新日期:2012-05-01 00:00:00
abstract:CONTEXT:Decreased flexibility in muscles and joints of lower extremities is commonly observed in runners. Understanding the effect of decreased flexibility on knee walking kinematics in runners is important because, over time, altered gait patterns can make runners vulnerable to overuse injuries or degenerative patholo...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.22.4.279
更新日期:2013-11-01 00:00:00
abstract:CONTEXT:Baseline testing is a common strategy for concussion assessment and management. Research continues to evaluate novel measures for potential to improve baseline testing methods. OBJECTIVES:The primary objective was to (1) determine the feasibility of including physiological, neuromuscular, and mood measures as ...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2017-0038
更新日期:2018-07-01 00:00:00
abstract:CONTEXT:Low back pain (LBP) is a serious health problem, both in the general population as well as in athletes. Research has shown that psychosocial aspects, such as dysfunctional pain responses, play a significant role in the chronification of LBP. Recent research supports the relevance of the multidisciplinary concep...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2019-0245
更新日期:2020-04-25 00:00:00
abstract:CONTEXT:Functional movement screening (FMS) has been gaining popularity in the fields of sports medicine and performance. Currently, limited research has examined whether FMS screening that identifies low FMS scores is attributed primarily to limits in range of motion (ROM). OBJECTIVE:To compare scores from the FMS hu...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2015-0070
更新日期:2017-01-01 00:00:00
abstract:CLINICAL SCENARIO:Lateral epicondylitis (LE) is a relatively common pathology capable of producing chronic debilitation in a variety of patients. A newer treatment for orthopedic conditions is platelet-rich plasma (PrP) local injection. FOCUSED CLINICAL QUESTION:Is PrP a more appropriate injection therapy for LE than ...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章,评审
doi:10-1123/jsr.2014-0198
更新日期:2016-02-01 00:00:00
abstract:CONTEXT:Understanding how muscles activate in a population with a previous glenohumeral-joint (GH) injury may help clinicians understand how to build a conservative treatment plan to strengthen or activate the specific muscles in an attempt to reduce recurrent shoulder injury and development of GH laxity. OBJECTIVE:To...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2014-0160
更新日期:2015-08-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章,随机对照试验
doi:10.1123/jsr.2013-0114
更新日期:2015-08-01 00:00:00
abstract:CONTEXT:Reduced strength and activation of hip muscles might correlate with increased weight-bearing knee valgus. OBJECTIVE:To describe relationships among frontal-plane hip and knee angles, hip-muscle strength, and electromyographic (EMG) recruitment in women during a step-down. DESIGN:Exploratory study. SETTING:La...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.18.1.104
更新日期:2009-02-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2017-0035
更新日期:2017-09-01 00:00:00
abstract:CONTEXT:In clinical and sports settings, static stretching (SS) is usually performed to increase range of motion (ROM) and decrease passive muscle stiffness. Recently, the shear elastic modulus was measured by ultrasonic shear wave elastography as an index of muscle stiffness. Previous studies reported that the shear e...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2018-0376
更新日期:2019-10-18 00:00:00
abstract:CONTEXT:Achilles tendinopathy is a common and often debilitating condition, and autologous blood injection is a promising treatment option. OBJECTIVE:To determine whether autologous blood injection added to standard management was effective in alleviating symptoms of Achilles tendinopathy. DESIGN:A prospective random...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章,随机对照试验
doi:10.1123/jsr.21.3.218
更新日期:2012-08-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2017-0221
更新日期:2019-05-01 00:00:00
abstract:CONTEXT:Some questions remain regarding the anthropometric differences between the feet of young men and women, but the gap is much greater when dealing with older adults. No studies were found concerning these differences in an exclusively older adult population, which makes it difficult to manufacture shoes based on ...
journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.20.3.277
更新日期:2011-08-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2016-0187
更新日期:2018-09-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.17.3.269
更新日期:2008-08-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.20.1.17
更新日期:2011-02-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.21.1.18
更新日期:2012-02-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: meta分析
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更新日期:2020-10-19 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2015-0179
更新日期:2017-07-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
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更新日期:2020-03-04 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 临床试验,杂志文章
doi:10-1123/jsr.2014-0282
更新日期:2016-05-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章,随机对照试验
doi:10.1123/jsr.18.3.358
更新日期:2009-08-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
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更新日期:2017-11-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2020-0155
更新日期:2021-01-19 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
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更新日期:2019-10-18 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2019-0211
更新日期:2020-03-31 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2018-0137
更新日期:2020-02-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
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更新日期:2019-01-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
doi:10.1123/jsr.2018-0334
更新日期:2020-01-01 00:00:00