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Articles 1 - 6 of 6
Full-Text Articles in Motor Control
Strategies To Decrease Movement Variability In The Ankle Joint In Cyclists, Claudia Guadalupe Chavez
Strategies To Decrease Movement Variability In The Ankle Joint In Cyclists, Claudia Guadalupe Chavez
Boise State University Theses and Dissertations
Coordination variability is thought to be indicative of a cyclist’s skill level as novices have higher levels of variability than experts (Sides & Wilson, 2012). It was hypothesized that the externally focused instructions with visual feedback group would decrease coordination variability in the ankle joint to a greater extent than those in the internally focused instructions with visual feedback group. Six cyclists (30-40 years) completed a four day acquisition period and a retention test. During this time participants cycled for 10-15 minutes at a power output equal to 2.0-2.5W/kg of body mass. Participants were provided with internally or externally focused …
Variability Of Practice And Strength Training Periodization: When Theories Collide, Katherine Lauren Streder
Variability Of Practice And Strength Training Periodization: When Theories Collide, Katherine Lauren Streder
Master's Theses
The primary purpose of this study was to examine whether variability of practice enhances neuromuscular adaptations when compared to traditional strength training. The secondary purpose was to investigate whether there was a difference in perception of exertion between the two strength programs. Forty one subjects (23 women and 18 men) were assigned to either the control group or one of two treatment groups by a blocked-random method. Subject's one repetition maximum (1RM) for the kettlebell press and leg press were measured at baseline, after 4 weeks of training, and after 8 weeks of training. The treatment groups completed 8 weeks …
Functional Morphology Of Rat Hands And Feet: Correlation With The Ability To Grip Tree Branches During Locomotion, Jessica E. Fonce, Andrew R. Lammers
Functional Morphology Of Rat Hands And Feet: Correlation With The Ability To Grip Tree Branches During Locomotion, Jessica E. Fonce, Andrew R. Lammers
Undergraduate Research Posters 2013
Anatomy and function are usually closely related. Since locomotion on tree branches is common among mammals, we expect to find that the anatomy of the hands and feet is well-suited toward gripping narrow, cylindrical, branch-like substrates. We hypothesize that the ability of rats to grip arboreal supports relies on musculature responsible for adducting the first digit (thumb and big toe) and opposing medial-most and lateral-most digits. We dissected the hands and feet of four rat cadavers. There is a substantial muscle that may be responsible for the flexion/adduction of the thumb in the hands. We also found lumbricals, and dorsal …
The Relationship Among Ankle Function, Functional Capacity, And Body Composition To Balance In Geriatric Populations, Joseph Robert Chaney
The Relationship Among Ankle Function, Functional Capacity, And Body Composition To Balance In Geriatric Populations, Joseph Robert Chaney
Graduate Theses and Dissertations
The primary purpose of this research study was to identify significant relationships among measures of ankle strength, ankle range of motion, body composition, and functional capacity to balance ability in geriatric populations which may potentially assist in identifying older individuals with increased risk of falling. A battery of five test (ankle strength assessments, ankle range of motion , DXA, functional fitness, and balance) were administered to 20 participants (6 males, 14 females, mean age 69.78 ± 3.98) that had indicated to be at least 65 years of age or older and no history of falls within the previous 12 months. …
Additive Effects Of An External Focus And Enhanced Expectancy In Learning A Motor Skill, Luigi Antonio Pascua
Additive Effects Of An External Focus And Enhanced Expectancy In Learning A Motor Skill, Luigi Antonio Pascua
UNLV Theses, Dissertations, Professional Papers, and Capstones
An external focus of attention in has been shown to produce better performance in practice and retention of a motor skill when compared to an internal focus or control conditions in which no attentional focus cues are given to the learner (for a review, see Wulf, 2012). Enhancing learner expectancy (e.g., via positive feedback) has also been shown to improve learning (e.g., Lewthwaite & Wulf, 2010). This study sought to investigate whether combining the positive effects of an external focus of attention with an enhanced learner expectancy (through positive social-comparative feedback) would enhance learning relative to either variable alone or …
Examining Lower Extremity Range Of Motion And Movement Variability Chages Due To Focus Of Attention During Landing, Andrew Nordin, Janet Dufek
Examining Lower Extremity Range Of Motion And Movement Variability Chages Due To Focus Of Attention During Landing, Andrew Nordin, Janet Dufek
Interdisciplinary Research Scholarship Day
Attentional focus (AF) has been explored among a variety of motor skills providing evidence that external AF promotes automaticity and enhanced performance [6]. External focus of attention is distinguished from internal focus such that external focus is directed toward movement effect rather than body movements [6]. Movement variability provides a means of assessing functional characteristics of the neuromotor system, where normal functioning is suggested to occur within optimal limits, while excessively high or low movement variability is indicative of system dysfunction [2,4,5]. Additionally, the ability of the motor system to vary, or broadly distribute, internal loads is thought to reduce …