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  1. Article: The experimental effect of social media use, treadmill walking, studying, and a control condition on positive and negative affect in college students.

    Lepp, Andrew / Barkley, Jacob E

    Current psychology (New Brunswick, N.J.)

    2022  , Page(s) 1–10

    Abstract: ... 30-minute activity conditions: treadmill walking, self-selected schoolwork (i.e., studying ... social media use, and a control condition where participants sat in a quiet room (i.e., do nothing). Positive ...

    Abstract Using a within-subjects design, this study assessed the experimental effect of common activities upon positive and negative affect scores in a college student sample. All participants completed the following 30-minute activity conditions: treadmill walking, self-selected schoolwork (i.e., studying), social media use, and a control condition where participants sat in a quiet room (i.e., do nothing). Positive and negative affect scores were assessed at baseline, mid-, and post-condition. Positive affect scores increased by 26% and 10% during the treadmill and studying conditions, respectively. Conversely, positive affect decreased by 20% and 24% during the social media and "do nothing" conditions, respectively. Furthermore, negative affect was decreased by 8% in the studying condition. These changes were statistically significant (
    Language English
    Publishing date 2022-09-17
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2021598-8
    ISSN 1936-4733 ; 1046-1310
    ISSN (online) 1936-4733
    ISSN 1046-1310
    DOI 10.1007/s12144-022-03747-y
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  2. Article: Cell phone use predicts being an "active couch potato": results from a cross-sectional survey of sufficiently active college students.

    Lepp, Andrew / Barkley, Jacob E

    Digital health

    2019  Volume 5, Page(s) 2055207619844870

    Abstract: ... yet highly sedentary. Cell phones promote activities understood as sedentary behaviors (e.g. watching videos ... i.e. sitting for eight or more hours/day). Logistic regression determined if cell phone use predicted ...

    Abstract Objective: "Active couch potato" describes an individual who is sufficiently physically active yet highly sedentary. Cell phones promote activities understood as sedentary behaviors (e.g. watching videos). Research demonstrates that cell phone use is positively associated with sedentary behavior. Although sedentary behavior typically displaces physical activity, no relationship between cell phone use and physical activity has been found. Thus, it is possible that some sufficiently active individuals are also high-frequency cell phone users and therefore highly sedentary. In other words, cell phone use may predict being an "active couch potato" among active people. Testing this hypothesis was the purpose of this study. "Active couch potatoes" are of concern as the negative effects of excessive sedentary behavior are independent of the benefits of physical activity.
    Methods: College students (228) completed validated surveys assessing physical activity, sedentary behavior, and cell phone use. Using a previously validated method, participants were rated as sufficiently active or not based upon their physical activity survey score. Participants who were not sufficiently active were excluded from further analysis resulting in a final sample of 171. These sufficiently active individuals were categorized as "active couch potatoes" if they were also highly sedentary (i.e. sitting for eight or more hours/day). Logistic regression determined if cell phone use predicted being categorized as an "active couch potato."
    Results: Cell phone use was a significant, positive predictor of being an "active couch potato." With each additional hour of daily cell phone use, the odds of becoming an "active couch potato" increased by 11.4% (Wald = 5.934,
    Conclusion: Increased cell phone use was a significant predictor of being an "active couch potato." Explanations and implications are discussed.
    Language English
    Publishing date 2019-04-12
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2819396-9
    ISSN 2055-2076
    ISSN 2055-2076
    DOI 10.1177/2055207619844870
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  3. Article ; Online: Cell phone use predicts being an “active couch potato”

    Andrew Lepp / Jacob E. Barkley

    Digital Health, Vol

    results from a cross-sectional survey of sufficiently active college students

    2019  Volume 5

    Abstract: ... yet highly sedentary. Cell phones promote activities understood as sedentary behaviors (e.g. watching videos ... i.e. sitting for eight or more hours/day). Logistic regression determined if cell phone use predicted ...

    Abstract Objective “Active couch potato” describes an individual who is sufficiently physically active yet highly sedentary. Cell phones promote activities understood as sedentary behaviors (e.g. watching videos). Research demonstrates that cell phone use is positively associated with sedentary behavior. Although sedentary behavior typically displaces physical activity, no relationship between cell phone use and physical activity has been found. Thus, it is possible that some sufficiently active individuals are also high-frequency cell phone users and therefore highly sedentary. In other words, cell phone use may predict being an “active couch potato” among active people. Testing this hypothesis was the purpose of this study. “Active couch potatoes” are of concern as the negative effects of excessive sedentary behavior are independent of the benefits of physical activity. Methods College students (228) completed validated surveys assessing physical activity, sedentary behavior, and cell phone use. Using a previously validated method, participants were rated as sufficiently active or not based upon their physical activity survey score. Participants who were not sufficiently active were excluded from further analysis resulting in a final sample of 171. These sufficiently active individuals were categorized as “active couch potatoes” if they were also highly sedentary (i.e. sitting for eight or more hours/day). Logistic regression determined if cell phone use predicted being categorized as an “active couch potato.” Results Cell phone use was a significant, positive predictor of being an “active couch potato.” With each additional hour of daily cell phone use, the odds of becoming an “active couch potato” increased by 11.4% (Wald = 5.934, P = 0.015, Exp(B) = 1.114). On average, active couch potatoes used their cell phone 1.7 hours more each day than their sufficiently active but not overly sedentary peers. Conclusion Increased cell phone use was a significant predictor of being an “active couch potato.” Explanations and ...
    Keywords Computer applications to medicine. Medical informatics ; R858-859.7
    Subject code 004
    Language English
    Publishing date 2019-04-01T00:00:00Z
    Publisher SAGE Publishing
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article: VO

    Naylor, Jonathan B / Patton, Beth J / Barkley, Jacob E

    International journal of exercise science

    2020  Volume 13, Issue 5, Page(s) 1501–1511

    Abstract: The purpose of the current study was to examine physiologic response, liking, and relative reinforcing value (RRV) of children playing an exergame with a friend under two goal structures: competitive and cooperative. A sample of twenty participants (8.7 ± ...

    Abstract The purpose of the current study was to examine physiologic response, liking, and relative reinforcing value (RRV) of children playing an exergame with a friend under two goal structures: competitive and cooperative. A sample of twenty participants (8.7 ± 1.3 years old) and a self-selected friend completed three conditions: rest, competitive, and cooperative play. During the competitive condition, participants played Nintendo Wii Tennis® against their friend. During cooperative play, participants and their friend played together against a computer avatar. During each condition, oxygen consumption (VO
    Language English
    Publishing date 2020-12-01
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2411342-6
    ISSN 1939-795X
    ISSN 1939-795X
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  5. Article ; Online: Impact of Activity Monitoring on Physical Activity, Sedentary Behavior, and Body Weight during the COVID-19 Pandemic.

    Barkley, Jacob E / Farnell, Gregory / Boyko, Brianna / Turner, Brooke / Wiet, Ryan

    International journal of environmental research and public health

    2021  Volume 18, Issue 14

    Abstract: Decreases in individuals' physical activity and increases in sedentary behavior and bodyweight have been reported during the COVID-19 pandemic. The present study assessed the ability of physical activity monitoring, which may promote physical activity ... ...

    Abstract Decreases in individuals' physical activity and increases in sedentary behavior and bodyweight have been reported during the COVID-19 pandemic. The present study assessed the ability of physical activity monitoring, which may promote physical activity and discourage sedentary behavior, to mitigate these negative outcomes. An evaluation of university samples (
    MeSH term(s) Body Weight ; COVID-19 ; Exercise ; Humans ; Pandemics ; SARS-CoV-2 ; Sedentary Behavior
    Language English
    Publishing date 2021-07-15
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2175195-X
    ISSN 1660-4601 ; 1661-7827
    ISSN (online) 1660-4601
    ISSN 1661-7827
    DOI 10.3390/ijerph18147518
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  6. Article ; Online: The Experimental Effect of Parent Versus Peer Influence on Children's Physical Activity and Sedentary Behavior.

    Kobak, Mallory / Lepp, Andrew / Rebold, Michael / Glickman, Ellen / Barkley, Jacob E

    Pediatric exercise science

    2021  Volume 33, Issue 4, Page(s) 145–151

    Abstract: Purpose: To assess children's physical activity, sedentary behavior, liking, and motivation during 3 separate simulated recess conditions: playing alone, with their parent participating, and with their peer participating.: Methods: Children ... ...

    Abstract Purpose: To assess children's physical activity, sedentary behavior, liking, and motivation during 3 separate simulated recess conditions: playing alone, with their parent participating, and with their peer participating.
    Methods: Children participated in the 3 separate conditions. During each condition, the children had access to an outdoor playground and sedentary activity options for 30 minutes. Accelerometry recorded the physical activity. Time allocated to sedentary options was monitored via a stopwatch. A visual analog scale was used to assess liking, and motivation was assessed as the children's willingness to participate in an additional 10 minutes of each condition.
    Results: The children sat 88% less and were 33% more physically active with their peer versus playing alone. The children also sat 65% less during the parent condition than alone. Lastly, the children reported ≥34% liking and were ≥2-fold more likely to participate in the additional 10-minute activity bout during the parent and peer conditions than alone. The differences were significant (P ≤ .05) except for the children's decision to participate in the additional 10 minutes in the parent versus the alone condition (P = .058).
    Conclusions: Relative to the alone condition, the presence of a peer or parent reduced sedentary behavior and increased liking and the motivation to participate in that condition. However, only the presence of a peer increased physical activity versus alone.
    MeSH term(s) Accelerometry ; Child ; Exercise ; Humans ; Parents ; Peer Influence ; Sedentary Behavior
    Language English
    Publishing date 2021-06-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1042382-5
    ISSN 1543-2920 ; 0899-8493
    ISSN (online) 1543-2920
    ISSN 0899-8493
    DOI 10.1123/pes.2020-0149
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    In stock of ZB MED Cologne/Königswinter

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  7. Article ; Online: Cellular telephone use during free-living walking significantly reduces average walking speed.

    Barkley, Jacob E / Lepp, Andrew

    BMC research notes

    2016  Volume 9, Page(s) 195

    Abstract: Background: Cellular telephone (cell phone) use decreases walking speed in controlled laboratory experiments and there is an inverse relationship between free-living walking speed and heart failure risk. The purpose of this study was to examine the ... ...

    Abstract Background: Cellular telephone (cell phone) use decreases walking speed in controlled laboratory experiments and there is an inverse relationship between free-living walking speed and heart failure risk. The purpose of this study was to examine the impact of cell phone use on walking speed in a free-living environment.
    Methods: Subjects (n = 1142) were randomly observed walking on a 50 m University campus walkway. The time it took each subject to walk 50 m was recorded and subjects were coded into categories: cell phone held to the ear (talking, n = 95), holding and looking at the cell phone (texting, n = 118), not visibly using the cell phone (no use, n = 929).
    Results: Subjects took significantly (p < 0.001) longer traversing the walkway when talking (39.3 s) and texting (37.9 s) versus no use (35.3 s).
    Conclusion: As was the case with the previous laboratory experiments, cell phone use significantly reduces average speed during free-living walking.
    MeSH term(s) Cell Phone ; Female ; Humans ; Male ; Research Personnel ; Walking Speed/physiology
    Language English
    Publishing date 2016-03-31
    Publishing country England
    Document type Journal Article
    ZDB-ID 2413336-X
    ISSN 1756-0500 ; 1756-0500
    ISSN (online) 1756-0500
    ISSN 1756-0500
    DOI 10.1186/s13104-016-2001-y
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  8. Article ; Online: Impact of Activity Monitoring on Physical Activity, Sedentary Behavior, and Body Weight during the COVID-19 Pandemic

    Jacob E. Barkley / Gregory Farnell / Brianna Boyko / Brooke Turner / Ryan Wiet

    International Journal of Environmental Research and Public Health, Vol 18, Iss 7518, p

    2021  Volume 7518

    Abstract: Decreases in individuals’ physical activity and increases in sedentary behavior and bodyweight have been reported during the COVID-19 pandemic. The present study assessed the ability of physical activity monitoring, which may promote physical activity ... ...

    Abstract Decreases in individuals’ physical activity and increases in sedentary behavior and bodyweight have been reported during the COVID-19 pandemic. The present study assessed the ability of physical activity monitoring, which may promote physical activity and discourage sedentary behavior, to mitigate these negative outcomes. An evaluation of university samples ( N = 404, 40.5 ± 15.4 years) of self-reported physical activity, sedentary behavior, and bodyweight prior to the closure of campus due to the pandemic in March of 2020 and again at the time of the survey administration (May–June 2020) during pandemic-related restrictions was performed. Participants also reported whether they did ( n = 172) or did not ( n = 232) regularly use physical activity monitoring technology. While physical activity was unchanged during the pandemic ( p ≥ 0.15), participants significantly increased sitting by 67.8 ± 156.6 min/day and gained 0.64 ± 3.5 kg from pre-campus to post-campus closure ( p < 0.001). However, the use of activity monitoring did not moderate these changes. In conclusion, while physical activity was not affected, participants reported significant increases in sedentary behavior and bodyweight during the COVID-19 pandemic. These changes occurred regardless of whether participants regularly used physical activity monitoring or not.
    Keywords exercise ; sitting ; coronavirus ; fitness tracking ; Medicine ; R
    Subject code 796
    Language English
    Publishing date 2021-07-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Multimodal Training Reduces Fall Frequency as Physical Activity Increases in Individuals With Parkinson's Disease.

    Penko, Amanda L / Barkley, Jacob E / Rosenfeldt, Anson B / Alberts, Jay L

    Journal of physical activity & health

    2019  Volume 16, Issue 12, Page(s) 1085–1091

    Abstract: Background: Parkinson's disease (PD) results in a global decrease in information processing, ultimately resulting in dysfunction executing motor-cognitive tasks. Motor-cognitive impairments contribute to postural instability, often leading to falls and ... ...

    Abstract Background: Parkinson's disease (PD) results in a global decrease in information processing, ultimately resulting in dysfunction executing motor-cognitive tasks. Motor-cognitive impairments contribute to postural instability, often leading to falls and decreased physical activity. The aim of this study was to determine the effects of a multimodal training (MMT) versus single-modal (SMT) training on motor symptoms, fall frequency, and physical activity in patients with PD classified as fallers.
    Methods: Individuals with PD were randomized into SMT (n = 11) or MMT (n = 10) and completed training 3 times per week for 8 weeks. The SMT completed gait and cognitive training separately, whereas MMT completed gait and cognitive training simultaneously during each 45-minute session. Physical activity, 30-day fall frequency, and PD motor symptoms were assessed at baseline, posttreatment, and during a 4-week follow-up.
    Results: Both groups exhibited significant (P < .05) improvements in clinical ratings of motor function, as symptoms improved by 8% and 15% for SMT and MMT, respectively. Physical activity significantly increased (P < .05) for both groups from baseline (mean steps 4942 [4415]) to posttreatment (mean steps 5914 [5425]). The MMT resulted in a significant 60% reduction in falls.
    Conclusions: Although SMT and MMT approaches are both effective in improving physical activity and motor symptoms of PD, only MMT reduced fall frequency after the intervention.
    MeSH term(s) Accidental Falls/prevention & control ; Adult ; Aged ; Cognition ; Exercise/physiology ; Exercise Therapy/methods ; Female ; Gait/physiology ; Humans ; Male ; Middle Aged ; Parkinson Disease/physiopathology ; Parkinson Disease/psychology ; Parkinson Disease/rehabilitation ; Postural Balance/physiology
    Language English
    Publishing date 2019-10-24
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 1543-5474
    ISSN (online) 1543-5474
    DOI 10.1123/jpah.2018-0595
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  10. Article ; Online: Reinforcing Value of a Moderately Physiologically Challenging Active Videogame Versus a Minimally Challenging Active Videogame.

    Barkley, Jacob E / Frank, Megan L / Dulaney, Cody / Kearney, Sarah G / Paskert, Meredith C / Sanders, Gabriel / Carnes, Andrew / Santo, Antonio S

    Games for health journal

    2021  Volume 10, Issue 1, Page(s) 28–32

    Abstract: Objective: ...

    Abstract Objective:
    MeSH term(s) Body Mass Index ; Child ; Exercise Therapy/methods ; Exercise Therapy/standards ; Female ; Heart Rate/physiology ; Humans ; Male ; Motor Activity/physiology ; Oxygen Consumption/physiology ; Video Games/standards ; Video Games/trends
    Language English
    Publishing date 2021-01-12
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2650543-5
    ISSN 2161-7856 ; 2161-783X
    ISSN (online) 2161-7856
    ISSN 2161-783X
    DOI 10.1089/g4h.2020.0021
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