School of Kinesiology - Student work

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    video test
    (2019) test, test
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    Biomechanical Knee Risk Factors Between Horizontal and Vertical Landing Conditions.
    (2015-04-15) Vining, Melissa; Neally, Ashleigh; Fuller, Kaitlyn; Lee, Sang Woo
    The purpose of this experiment was to determine biomechanical risk factors for knee injury between horizontal and vertical landing conditions. This experiment was performed using a 3 dimensional motion camera system, reflective markers, and two force plates. There were twelve participants who were all physically active females age 18-25. They each performed three vertical and three horizontal landing trials. The variables analyzed included ground reaction force which was used to calculate loading rate, knee orientation angle, and sagittal and frontal joint knee moment. It was found that loading rate was higher in the horizontal component; there was greater knee flexion angle in the vertical direction. Varus knee moment was greater in the horizontal direction, and greater knee extension moment in the horizontal direction. In conclusion, the horizontal landing conditions result in greater risk of knee injury.
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    Lower-limb dynamics in two approaches of stair descent initiation: walk and stand
    (Texas Woman's University, Denton, 2014-04) Ketki Rana; Kunal Singhal; Sangwoo Lee; Young-Hoo Kwon
    The purpose of this study was to study the effects of different stair descent strategy on peak joint moment and peak joint power in healthy young adults. Fourteen healthy young subjects (8 males and 6 females) performed the stair descent. Walk approach included the component of level walking and stair walking. Stand approach included the component of only stair walking. A three-step stairway with a walkway was used for the motion trials. Significant difference was found in hip abductor moments, knee extensor moment and knee eccentric power between the two approaches. No significant difference was found for any variable between the genders. Stair descent initiation with walk approach requires larger hip and knee dynamics than stand approach in both the genders in order to achieve a safe stair descent.
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    Effects of Different Exercise Environments on Perceived Exercise Affect for an Adult with Cerebral Palsy
    (2014-04-08) Pan, Cheng-Chen; Davis, Ron
    Purpose: The purpose of this study was to examine the influence of different exercise environments (public vs non-public gym) on perceived exercise affect (feelings) for an adult with cerebral palsy (CP). Method: The Physical Activity Affect Scale (PAAS) was used once a week for seven weeks to assess the pre-post perceived exercise affect. Results: The results of this study indicated highly positive exercise affects in either environment . However, the increase of perceived exercise affect in the public gym setting was greater than non-public environment prior to exercising. Conclusion: Both environments impacted perceived exercise affect; the public exercise setting may have increased a greater positive influence. Additional research is needed to further determine the effects of exercise setting on exercise induced affect for persons with disabilities.
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    Influences of a Token Economy Reward System with Visual and Verbal Cues on Treadmill Walking Time for an Adult with Autism and an Intellectual Disability
    (2014-04-08) Pan, Cheng-Chen; Adams, David; Kim, Kyungjin
    The purpose of this study was to examine the influence of a token economy reward system with visual and verbal cues on treadmill walking time for an adult diagnosed with autism and an intellectual disability. An A1-B-A2 single subject design with a changing criterion method was used in a home setting. In Phase A1 (baseline), there was no reinforcement or visual and verbal cues provided during treadmill walking. During the B Phase (intervention) a token economy reward system was initiated when desired walking time was achieved within every trial during the B Phase visual and verbal cues were provided. During the A2 Phase, as in the A1, there was no reinforcement or visual and verbal cues provided during treadmill walking. Based on the results of this investigation, the average walking time within the Phase B compared to the Phase A1 increased 176% (14.7 to 26 min.) Without reinforcement in the A2 Phase the participant‘s walking time decreased 76% (35.4 to 8.5 min.) compared to the B Phase. Within the limitation of this study, it was concluded that the use of reinforcement combined with visual and verbal cues were highly effective in increasing the targeted walking time.
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    Bullying of Students with Disabilities in Physical Education: A bibliometric analysis (1988 to 2013)
    (2014-04-08) Pan, Cheng-Chen
    The purpose of the bibliometric study was to determine the quantity and quality of research on bullying of students with disabilities in physical education through a trend analysis. Using this research method, the initial search related to the key terms of- “bullying” and “physical education” which resulted in 3,146 articles in four databases (EBSCOhost, ProQuest, Scopus, and Science Direct ) from 1988 to 2013. Of the 3,146 articles , 223 (14%) articles were related to bullying students with disabilities in physical education. Eight articles met the selection criteria to further evaluate the levels of quality and evidence using Strength of Recommendation Taxonomy (SORT, 2004). Based on the SORT, eight articles (4%) out of 223 articles were rated low because of the quality of study and level of evidences. In addition, seven (88%) were rated as having a low quality of the research design and five (63%) with a low level of evidence to support the finding for 3 related to SORT. It was concluded that there is little research in the literature (1988-2013) and of the 8 used questionnaires or descriptive research designs, instead of using a highly evidence-based research design