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  1. Article: Circuit Training Improves the Levels of β-Amyloid and Brain-Derived Neurotrophic Factor Related to Cognitive Impairment Risk Factors in Obese Elderly Korean Women.

    Kang, Duwang / Koh, Suhan / Kim, Taekyu / Bressel, Eadric / Kim, Doyeon

    Journal of clinical medicine

    2024  Volume 13, Issue 3

    Abstract: ... ...

    Abstract Background
    Language English
    Publishing date 2024-01-30
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm13030799
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Kinetics of Depth Jumps Performed by Female and Male National Collegiate Athletics Association Basketball Athletes and Young Adults.

    Louder, Talin / Thompson, Brennan J / Woster, Alex / Bressel, Eadric

    Journal of functional morphology and kinesiology

    2023  Volume 8, Issue 3

    Abstract: The depth jump (DJ) is commonly used to evaluate athletic ability, and has further application in rehabilitation and injury prevention. There is limited research exploring sex-based differences in DJ ground reaction force (GRF) measures. This study aimed ...

    Abstract The depth jump (DJ) is commonly used to evaluate athletic ability, and has further application in rehabilitation and injury prevention. There is limited research exploring sex-based differences in DJ ground reaction force (GRF) measures. This study aimed to evaluate for sex-based differences in DJ GRF measures and determine sample size thresholds for binary classification of sex. Forty-seven participants from mixed-sex samples of NCAA athletes and young adults performed DJs from various drop heights. Force platform dynamometry and 2-dimensional videography were used to estimate GRF measures. Three-way mixed analysis of variance was used to evaluate main effects and interactions. Receiver operating characteristic (ROC) curve analysis was used to evaluate the combined sensitivity and specificity of dependent measures to sex. Results revealed that reactive strength index scores and rebound jump heights were greater in males than females (
    Language English
    Publishing date 2023-07-29
    Publishing country Switzerland
    Document type Journal Article
    ISSN 2411-5142
    ISSN (online) 2411-5142
    DOI 10.3390/jfmk8030108
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Catching and throwing exercises to improve reactive balance: A randomized controlled trial protocol for the comparison of aquatic and dry-land exercise environments.

    Kim, Youngwook / Bolton, David A E / Vakula, Michael N / Bressel, Eadric

    PloS one

    2022  Volume 17, Issue 10, Page(s) e0275733

    Abstract: Reactive balance, a critical automatic movement pattern in response to a perturbation, is directly linked to fall prevention in older adults. Various exercise interventions have been broadly performed to improve reactive balance and thus prevent falls. ... ...

    Abstract Reactive balance, a critical automatic movement pattern in response to a perturbation, is directly linked to fall prevention in older adults. Various exercise interventions have been broadly performed to improve reactive balance and thus prevent falls. Curiously, aquatic exercises have been suggested as an effective balance intervention and a safer alternative to exercises on dry land yet the efficacy of aquatic exercises on reactive balance has not been formally investigated. The present clinical trial aims to identify if skills acquired during aquatic exercise are more effectively transferred to a reactive balance task than land exercise. This study is designed as a double-blinded, randomized controlled clinical trial. Forty-four older adults aged 65 years or above who meet the eligibility criteria will be recruited and randomized into an aquatic exercise group or land exercise group. Each group will participate in the same single bout intervention that includes a ball throwing and catching task. A modified lean-and-release test will be implemented on land immediately before, after, and one week after the single bout intervention. The outcomes will include reaction time, rapid response accuracy, and mini-BESTest scores obtained from stepping and grasping reactions. All statistical analyses will be conducted using an intention-to-treat approach. Our conceptual hypothesis is that participants in the aquatic exercise group will demonstrate more improved outcome scores in the lean-and-release test when compared to those in the land exercise group. The results of the present study are expected to provide evidence to support the benefits of aquatic exercises for improving reactive balance in older adults. Further, participants may find aquatic exercises safer and more motivating, thus encouraging them to participate in further aquatic exercise programs.
    MeSH term(s) Aged ; Exercise/physiology ; Exercise Therapy/methods ; Humans ; Physical Therapy Modalities ; Postural Balance/physiology ; Randomized Controlled Trials as Topic
    Language English
    Publishing date 2022-10-12
    Publishing country United States
    Document type Clinical Trial Protocol ; Journal Article
    ZDB-ID 2267670-3
    ISSN 1932-6203 ; 1932-6203
    ISSN (online) 1932-6203
    ISSN 1932-6203
    DOI 10.1371/journal.pone.0275733
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Transfer Effects of a Multiple-Joint Isokinetic Eccentric Resistance Training Intervention to Nontraining-Specific Traditional Muscle Strength Measures.

    Spencer, Steven / Thompson, Brennan J / Bressel, Eadric / Louder, Talin / Harrell, David C

    Sports (Basel, Switzerland)

    2023  Volume 11, Issue 1

    Abstract: Relatively few investigations have examined the transfer effects of multiple-joint isokinetic eccentric only (MJIE) resistance training on non-specific measures of muscle strength. This study investigated the transfer effects of a short-term MJIE leg ... ...

    Abstract Relatively few investigations have examined the transfer effects of multiple-joint isokinetic eccentric only (MJIE) resistance training on non-specific measures of muscle strength. This study investigated the transfer effects of a short-term MJIE leg press (Eccentron) resistance training program on several non-specific measures of lower-body strength. Fifteen participants performed Eccentron training three times/week for four weeks and were evaluated on training-specific Eccentron peak force (EccPF), nontraining-specific leg press DCER one-repetition maximum (LP 1 RM), and peak torques of the knee extensors during isokinetic eccentric (Ecc30), isokinetic concentric (Con150) and isometric (IsomPT) tasks before and after the training period. The training elicited a large improvement in EccPF (37.9%; Cohen's d effect size [ES] = 0.86). A moderate transfer effect was observed on LP 1 RM gains (19.0%; ES = 0.48) with the magnitude of the strength improvement being about one-half that of EccPF. A small effect was observed on IsomPT and Ecc30 (ES = 0.29 and 0.20, respectively), however, pre-post changes of these measures were not significant. Con150 testing showed no effect (ES = 0.04). These results suggest a short term MJIE training program elicits a large strength improvement in training-specific measures, a moderate strength gain transfer effect to DCER concentric-based strength of a similar movement (i.e., LP 1 RM), and poor transfer to single-joint knee extension measures.
    Language English
    Publishing date 2023-01-04
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2704239-X
    ISSN 2075-4663 ; 2075-4663
    ISSN (online) 2075-4663
    ISSN 2075-4663
    DOI 10.3390/sports11010009
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Association and Agreement between Reactive Strength Index and Reactive Strength Index-Modified Scores.

    Louder, Talin / Thompson, Brennan J / Bressel, Eadric

    Sports (Basel, Switzerland)

    2021  Volume 9, Issue 7

    Abstract: Since the reactive strength index (RSI) and reactive strength index-modified (RSI-mod) share similar nomenclature, they are commonly referred as interchangeable measures of agility in the sports research literature. The RSI and RSI-mod are most commonly ... ...

    Abstract Since the reactive strength index (RSI) and reactive strength index-modified (RSI-mod) share similar nomenclature, they are commonly referred as interchangeable measures of agility in the sports research literature. The RSI and RSI-mod are most commonly derived from the performance of depth jumping (DJ) and countermovement jumping (CMJ), respectively. Given that DJ and CMJ are plyometric movements that differ materially from biomechanical and neuromotor perspectives, it is likely that the RSI and RSI-mod measure distinct aspects of neuromuscular function. The purpose of this investigation was to evaluate the association and agreement between RSI and RSI-mod scores. A mixed-sex sample of NCAA division I basketball athletes (
    Language English
    Publishing date 2021-07-05
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2704239-X
    ISSN 2075-4663 ; 2075-4663
    ISSN (online) 2075-4663
    ISSN 2075-4663
    DOI 10.3390/sports9070097
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Predictive Ability of Body Fat Percentage and Thigh Anthropometrics on Tissue Cooling During Cold-Water Immersion.

    Rech, Nicholas / Bressel, Eadric / Louder, Talin

    Journal of athletic training

    2020  Volume 56, Issue 6, Page(s) 548–554

    Abstract: Context: Cold-water immersion (CWI) is a common aid in exercise recovery. The effectiveness of CWI depends on the magnitude of muscle and core cooling. Individual cooling responses to CWI vary and are likely influenced by the CWI dose and individual ... ...

    Abstract Context: Cold-water immersion (CWI) is a common aid in exercise recovery. The effectiveness of CWI depends on the magnitude of muscle and core cooling. Individual cooling responses to CWI vary and are likely influenced by the CWI dose and individual physiological characteristics.
    Objective: To evaluate body fat percentage and thigh anthropometric values as predictors of intramuscular and skin-cooling responses to CWI.
    Design: Descriptive laboratory study.
    Setting: Sports medicine research center.
    Patients or other participants: Sixteen young adults (8 males, 8 females, age = 24.3 ± 1.84 years, height = 176.4 ± 12.7 cm, mass = 86.6 ± 29.4 kg).
    Intervention(s): Body fat percentage was measured using a 3-site skinfold assessment. Thigh length, thigh circumference, anterior thigh adipose thickness, anterior thigh muscle thickness, and thigh volume were estimated using manual and ultrasound methods. Using sterile techniques, we placed thermocouple probes in the belly of the rectus femoris (2-cm deep to the subadipose tissue) and on the anterior midthigh surface. Participants cycled on an ergometer for 30 minutes at a target heart rate of 130 to 150 beats/min. Postexercise, participants were placed in CWI (immersion depth to the iliac crest; 10°C) until intramuscular temperature was 7°C below pre-exercise baseline temperature, with a maximum immersion duration of 30 minutes.
    Main outcome measure(s): Intramuscular rectus femoris and thigh skin temperatures measured postexercise, after 10 and 15 minutes of CWI, and post-CWI.
    Results: Body fat percentage significantly predicted the rectus femoris cooling magnitude and rate after 10 minutes of CWI, 15 minutes of CWI, and post-CWI (P < .001; R2 range = 0.58-0.67). Thigh anthropometric values significantly predicted the thigh skin-cooling rate post-CWI (P = .049; R2 = 0.46).
    Conclusions: A simple 3-site skinfold assessment may improve the effective prescription of CWI by allowing estimation of the dose required for minimal muscle tissue cooling.
    MeSH term(s) Adipose Tissue ; Adiposity ; Adult ; Anthropometry ; Body Temperature ; Cold Temperature ; Female ; Humans ; Immersion ; Male ; Thigh ; Water ; Young Adult
    Chemical Substances Water (059QF0KO0R)
    Language English
    Publishing date 2020-09-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2070051-9
    ISSN 1938-162X ; 1062-6050
    ISSN (online) 1938-162X
    ISSN 1062-6050
    DOI 10.4085/40-20
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Effects of aquatic exercise on insulin-like growth factor-1, brain-derived neurotrophic factor, vascular endothelial growth factor, and cognitive function in elderly women.

    Kang, Doo-Wang / Bressel, Eadric / Kim, Do-Yeon

    Experimental gerontology

    2020  Volume 132, Page(s) 110842

    Abstract: The purpose of this study was to investigate the effects of a 16-week aquatic exercise program on brain-derived neurotrophic factor (BDNF), insulin-like growth factor-1 (IGF-1), and vascular endothelial growth factor (VEGF) levels, as well as cognitive ... ...

    Abstract The purpose of this study was to investigate the effects of a 16-week aquatic exercise program on brain-derived neurotrophic factor (BDNF), insulin-like growth factor-1 (IGF-1), and vascular endothelial growth factor (VEGF) levels, as well as cognitive function in elderly women. The subjects were 20 elderly women aged 68-80 years, randomly divided into an aquatic exercise group (n = 10) and a control group (n = 10). The aquatic exercises were performed for 60 min, three times per week for 16 weeks, and the intensity was progressively increased every 4 weeks (40-50% of heart rate reserve (HRR) for weeks 1-4, 50-60% of HRR for weeks 5-8, 60-65% of HRR for weeks 9-12, and 65-70% of HRR for weeks 13-16). The data were analyzed using two-way repeated measures analysis of variance, paired t-test, and independent t-test with an alpha level to indicate significance set at.05 for all tests. After the 16-week aquatic exercise program, the BDNF and IGF-1 levels (p < .01, respectively), and cognitive function (p < .05) of the aquatic exercise group showed significant changes. BDNF, IGF-1, and cognitive function levels (p < .01, respectively) were significantly different between the aquatic exercise group and control group. The results of this study suggest that regular aquatic exercise in elderly women during the early stages of aging can increase the expression of BDNF and IGF-1, thus maintaining and improving cognitive function.
    MeSH term(s) Aged ; Aged, 80 and over ; Brain-Derived Neurotrophic Factor/blood ; Cognition/physiology ; Exercise/physiology ; Exercise Therapy/methods ; Female ; Heart Rate ; Humans ; Insulin-Like Growth Factor I/analysis ; Vascular Endothelial Growth Factor A/blood
    Chemical Substances Brain-Derived Neurotrophic Factor ; IGF1 protein, human ; Vascular Endothelial Growth Factor A ; Insulin-Like Growth Factor I (67763-96-6) ; BDNF protein, human (7171WSG8A2)
    Language English
    Publishing date 2020-01-15
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 390992-x
    ISSN 1873-6815 ; 0531-5565
    ISSN (online) 1873-6815
    ISSN 0531-5565
    DOI 10.1016/j.exger.2020.110842
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Effects of Flywheel Resistance Training on Muscle Function and Sport-Specific Performance in Collegiate Club Water Polo Players.

    Xu, Jennifer / Thompson, Brennan J / Spencer, Steven B / Studenka, Breanna E / Bressel, Eadric

    Research quarterly for exercise and sport

    2022  Volume 94, Issue 1, Page(s) 98–109

    Abstract: Purpose: ...

    Abstract Purpose:
    MeSH term(s) Male ; Humans ; Female ; Resistance Training ; Athletic Performance/physiology ; Muscle Strength/physiology ; Water Sports ; Muscles
    Language English
    Publishing date 2022-03-16
    Publishing country United States
    Document type Journal Article
    ZDB-ID 225654-x
    ISSN 2168-3824 ; 0270-1367
    ISSN (online) 2168-3824
    ISSN 0270-1367
    DOI 10.1080/02701367.2021.1942417
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Effects of Multi-joint Eccentric Training on Muscle Function When Combined With Aquatic Plyometric Training: A Minimal Dose, Mixed Training Study.

    Weeks, Cassidy / Thompson, Brennan J / Spencer, Steven B / Fisher, Cody / Althouse, Dianne / Louder, Talin J / Bressel, Eadric

    Journal of musculoskeletal & neuronal interactions

    2023  Volume 23, Issue 4, Page(s) 386–396

    Abstract: Objectives: To examine the effects of a combined eccentric overload and aquatic-based plyometric training program on muscle function/performance measures and soreness versus an eccentric-only training protocol using a minimal dose training paradigm.: ... ...

    Abstract Objectives: To examine the effects of a combined eccentric overload and aquatic-based plyometric training program on muscle function/performance measures and soreness versus an eccentric-only training protocol using a minimal dose training paradigm.
    Methods: Twenty-five participants were randomized into either an eccentric-only training group (ECC) or a combined eccentric and aquatic plyometric group (ECC + AQP). The ECC group performed eccentric training once per week for 6-weeks while the ECC + AQP group performed the same eccentric training but with an additional aquatic plyometric training session.
    Results: There was no group × trial interactions for any of the variables. However, the training elicited large improvements in eccentric strength in both ECC (27%; ES = 1.33) and ECC+AQP (17%; ES = .86) groups. Isometric strength improved moderately for ECC and ECC+AQP groups (17.2%, ES = .53;9%, ES = .45). A moderate increase was observed for depth jump height for both ECC and ECC+AQP groups (13.1%, ES = .48;8.8%, ES = .36). No changes were observed for countermovement jump or sprint time and muscle soreness did not differ between groups.
    Conclusions: Minimal dose multi-joint eccentric overload training improved strength and depth jump outcomes after 6-weeks regardless of the training condition but adding a minimal dose aquatic plyometric protocol does not improve muscle function-based outcomes.
    MeSH term(s) Humans ; Muscle, Skeletal/physiology ; Plyometric Exercise ; Muscle Strength/physiology ; Myalgia ; Athletic Performance/physiology
    Language English
    Publishing date 2023-11-30
    Publishing country Greece
    Document type Randomized Controlled Trial ; Journal Article
    ZDB-ID 2041366-X
    ISSN 1108-7161
    ISSN 1108-7161
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Book ; Online: Transfer Effects of a Multiple-Joint Isokinetic Eccentric Resistance Training Intervention to Nontraining-Specific Traditional Muscle Strength Measures †

    Spencer, Steven / Thompson, Brennan J. / Bressel, Eadric / Louder, Talin / Harrell, David C.

    Sports (Basel)

    2023  

    Abstract: Relatively few investigations have examined the transfer effects of multiple-joint isokinetic eccentric only (MJIE) resistance training on non-specific measures of muscle strength. This study investigated the transfer effects of a short-term MJIE leg ... ...

    Abstract Relatively few investigations have examined the transfer effects of multiple-joint isokinetic eccentric only (MJIE) resistance training on non-specific measures of muscle strength. This study investigated the transfer effects of a short-term MJIE leg press (Eccentron) resistance training program on several non-specific measures of lower-body strength. Fifteen participants performed Eccentron training three times/week for four weeks and were evaluated on training-specific Eccentron peak force (EccPF), nontraining-specific leg press DCER one-repetition maximum (LP 1 RM), and peak torques of the knee extensors during isokinetic eccentric (Ecc30), isokinetic concentric (Con150) and isometric (IsomPT) tasks before and after the training period. The training elicited a large improvement in EccPF (37.9%; Cohen’s d effect size [ES] = 0.86). A moderate transfer effect was observed on LP 1 RM gains (19.0%; ES = 0.48) with the magnitude of the strength improvement being about one-half that of EccPF. A small effect was observed on IsomPT and Ecc30 (ES = 0.29 and 0.20, respectively), however, pre-post changes of these measures were not significant. Con150 testing showed no effect (ES = 0.04). These results suggest a short term MJIE training program elicits a large strength improvement in training-specific measures, a moderate strength gain transfer effect to DCER concentric-based strength of a similar movement (i.e., LP 1 RM), and poor transfer to single-joint knee extension measures.
    Keywords Article
    Subject code 796
    Language English
    Publishing date 2023-01-04
    Publisher MDPI
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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