Abdominal Muscle Activity During a Standing Long Jump

Okubo, Yu; Kaneoka, Koji; Shiina, Itsuo; Tatsumura, Masaki; Miyakawa, Shumpei

doi:10.2519/jospt.2013.4420

Cited by 17 publications

(19 citation statements)

References 35 publications

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“…From the descending motion through the ascending motion, it is important that the trunk and leg extensors be activated in the coordinated sequence to produce the large force [24]. The previous study has reported that the transverse abdominis was activated earlier than the EO and RA during a standing long jump [29]. These previous studies indicated that the strength and coordination of the trunk and leg muscles are related to CMJ.…”

Section: Discussion ▼mentioning

confidence: 99%

Immediate Effects of Different Trunk Exercise Programs on Jump Performance

et al. 2015

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The aim of this study was to investigate the immediate effects of trunk stabilization exercise (SE) and conventional trunk exercise (CE) programs on jump performance. 13 adolescent male soccer players performed 2 kinds of jump testing before and immediate after 3 experimental conditions: SE, CE, and non-exercise (NE). The SE program consisted of the elbow-toe, hand-knee, and back bridge, and the CE program consisted of the sit-up, sit-up with trunk rotation and back extension. Testing of a countermovement jump (CMJ) and rebound jump (RJ) were performed to assess jump performance. Jump height of the CMJ and RJ-index, contact time, and jump height of the RJ were analyzed. The RJ index was improved significantly only after SE (p=0.017). However, contact time and jump height did not improve significantly in the SE condition. Moreover, no significant interaction or main effects of time or group were observed in the CMJ. Consequently, this study showed the different immediate effect on the RJ between the SE and CE, and suggested the possibility that the SE used in this study is useful as a warm-up program to improve the explosive movements.

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Section: Discussion ▼mentioning

confidence: 99%

Immediate Effects of Different Trunk Exercise Programs on Jump Performance

et al. 2015

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“…They mentioned that abdominal muscles are activated before landing. The researchers also reported that abdominal muscles are used in an orderly way (from the deep muscles to surface muscles) during this operation [33]. Kulas et al (2006) [37] reported that abdominal muscles are activated during the landing operation before contact is made with the ground.…”

Section: Discussionmentioning

confidence: 99%

“…Okubo et al (2013) investigated abdominal muscles activities during the jump landing. They mentioned that abdominal muscles are activated before landing.…”

Section: Discussionmentioning

confidence: 99%

“…This reduction of load amount and the force exerted on the joints needs a strong control of musculoskeletal system [36,37]. It has been shown that in various landing conditions, the core muscles are alternatively involved in the energy absorption and the forces exerted on the trunk [24,33,34]. Iida et al (2013) reported that landing training program for 2 weeks contributed to 19% significant reduction of the landing force per kilogram of body weight, in the first phase of landing, compared to 1.4% reduction in the control group [35].…”

Section: Discussionmentioning

confidence: 99%

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The Effect of 8 Weeks of Core Stability Muscles Training on Kinetics of Single-Leg Landing

Fatahi

Ghasemi

Karimi

2016

PTJ

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Purpose: Core stability training (CST) has increased among athletes. The study hypothesis is that neuromuscular training and exercises of central area of trunk, pelvis and hip can reduce injury risk, and specifically peak vertical ground reaction forces in drop landing task. Therefore, the objective of this study was to evaluate kinetics during single leg drop landing test following a CST intervention. Methods:The present research was a quasi-experimental study with pretest/posttest and a control group. After giving their informed written consent, 30 athletes (15 in the experimental group, and 15 in the control group) volunteered to participate in the training program consisting of CST sessions, 3 times per week for 8 weeks. Training group was performed the CST during 8 weeks but control group did not perform these exercises. Kinetics variables in pretest and posttest during single-leg drop landing were measured by motion analysis and force plate device. To compare the obtained data, mixed ANOVA repeated measure at significance level of P<0.05 was used. All analyses were done by SPSS 22. Results:The results revealed that the peak vertical ground reaction forces, loading rate, and average loading rate significantly reduced following 8 weeks CST intervention (P<0.05). Conclusion:This study shows evidence that core stability training improves landing kinetics, and may reduce lower extremity injury risk in athletes.

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“…In addition, subjects were asked to perform the maximal contraction of the hip extension in a prone position with 90 knee°exion position, and maximal abdominal hollowing in a crook lying position to derive RVC for GM and IO/TA, respectively. 26,27 These RVC were further used to normalize EMG data for each muscle group. Subjects were instructed to perform 2 sets of 3 consecutive repetitions of forward bending movement.…”

Section: Methodsmentioning

confidence: 99%

Association between lumbopelvic motion and muscle activation in patients with non-specific low back pain during forward bending task: A cross-sectional study

Wattananon

Sinsurin

Somprasong

2019

Hong Kong Physiother. J.

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Background: Evidence suggests patients with non-speci¯c low back pain (NSLBP) have altered lumbar and pelvic movement patterns. These changes could be associated with altered patterns of muscle activation. Objective: The study aimed to determine: (1) di®erences in the relative contributions and velocity of lumbar and pelvic movements between people with and without NSLBP, (2) the di®erences in lumbopelvic muscle activation patterns between people with and without NSLBP, and (3) the association between lumbar and pelvic movements and lumbopelvic muscle activation patterns. Methods: Subjects (8 healthy individuals and 8 patients with NSLBP) performed 2 sets of 3 repetitions of active forward bending, while motion and muscle activity data were collected simultaneously. Data derived were lumbar and pelvic ranges of motion and velocity, and ipsilateral and contralateral lumbopelvic muscle activities (internal oblique/transverse abdominis (IO/TA), lumbar multi¯dus (LM), erector spinae (ES) and gluteus maximus (GM) muscles). Results: Lumbar and pelvic motions showed trends, but exceeded 95% con¯dence minimal detectable difference (MDD 95 ), for greater pelvic motion (p ¼ 0:06), less lumbar motion (p ¼ 0:23) among patients with NSLBP. Signi¯cantly less activity was observed in the GM muscles bilaterally (p < 0:05) in the NSLBP group. A signi¯cant association (r ¼ À0:8, p ¼ 0:02) was found between ipsilateral ES muscle activity and

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Abdominal Muscle Activity During a Standing Long Jump

Cited by 17 publications

References 35 publications

Immediate Effects of Different Trunk Exercise Programs on Jump Performance

Immediate Effects of Different Trunk Exercise Programs on Jump Performance

The Effect of 8 Weeks of Core Stability Muscles Training on Kinetics of Single-Leg Landing

Association between lumbopelvic motion and muscle activation in patients with non-specific low back pain during forward bending task: A cross-sectional study

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