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Exercise Science Commons™

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Indiana State University

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Articles 31 - 42 of 42

Full-Text Articles in Exercise Science

Changes In Neuromuscular Function In Collegiate Sprinters During An Indoor Season, Jack W. Skaggs Aug 2002

Changes In Neuromuscular Function In Collegiate Sprinters During An Indoor Season, Jack W. Skaggs

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Objective: The purpose of this study was to determine the changes in neuromuscular function through the use of the Hoffman Reflex in male Division I collegiate sprinters during an indoor competitive season. Design: a 2 X 4 factorial design. The independent variables in this study were groups (Sprint and Control) and testing times (base, mid, peak and taper). The dependent variable was the soleus Hreflex, anaerobic power, and body composition. Setting: This study took place in the Exercise Physiology Laboratory located in the Health and Human Performance Building at Indiana State University. Subjects: Ten male Division I collegiate sprinters (age: …

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Predictive Factors Of Perceived Stress And Work-Related Strain Among Collegiate Athletic Trainers, Shinichiro Sugiura Aug 2002

Predictive Factors Of Perceived Stress And Work-Related Strain Among Collegiate Athletic Trainers, Shinichiro Sugiura

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Objective: In a college/university setting, certified athletic trainers (ATCs) may have sport coverage, classroom teaching, and clinical instructor responsibilities. The purpose of this study was to determine the most important predictors of perceived stress and work-related strain among ATCs in a college/university setting, how athletic level affected perceived stress and work-related strain, and if the perceived stress score correlated with the work-related strain score. Design and Setting: This study was a webbased survey consisting of demographic and job responsibility questionnaire, the Perceived Stress Scale (PSS), and the Work-Related Strain Inventory (WRSI). To evaluate predictors of perceived stress and work-related strain, …

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The Response Of The Hoffmann Reflex To Endurance Training In Male Cross-Country Runners, Randall J. Bergman Aug 2002

The Response Of The Hoffmann Reflex To Endurance Training In Male Cross-Country Runners, Randall J. Bergman

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Motoneuron pool excitability as measured by the Hoffinann reflex (H-reflex) in endurance-trained subjects has been shown to differ from their untrained counterparts. Further, the effects of endurance training on the H-reflex are equivocal. Objective: To determine if differences exist in the motoneuron pool excitability of the soleus in highly trained endurance athletes due to the effect of endurance training. Design: A 2 X 3 factorial design with repeated measures. Setting: This study took place in the Exercise Physiology Laboratory located in the Health and Human Performance Building on the Indiana State University campus. Subjects: Eleven male cross-country team members (XC; …

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The Application Of Kinesio Tape Does Not Alter Knee Extensor Torque Production Following Muscle Fatigue, Takeru Hatachi May 2002

The Application Of Kinesio Tape Does Not Alter Knee Extensor Torque Production Following Muscle Fatigue, Takeru Hatachi

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Objective: Muscle fatigue is defined as the inability to maintain force output. It seems plausible that some sports injuries can be prevented if muscular fatigue can be reduced. Research evaluating Kinesio tape is still limited. And further study is needed in this area for clearing the effects of the elastic tape to apply effectively, and safely to the clinical setting. The purpose of this study was to investigate the effects of Kinesio tape on knee extensor force output before and after muscle fatigue. Design and Setting: A 2 x 3 factorial design was used to compare force output before and …

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Focal Temperature Change Facilitates The Peak-To-Peak Soleus Hoffmann Reflex And Muscle Response, Bentley Andrew Krause May 2002

Focal Temperature Change Facilitates The Peak-To-Peak Soleus Hoffmann Reflex And Muscle Response, Bentley Andrew Krause

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Objective: Cryotherapy is a widely used rehabilitative modality in sports medicine. Cooling joint tissues has been observed to facilitate active exercise following injury. Mechanisms effecting motoneuron recruitment during and following cryotherapy are presumed to be both local and central in nature. Focal cooling facilitates motoncuron pool recruitment and may alter the excitability of motoncurons. The purpose of this investigation was to determine if changes in focal temperature alter the characteristics of the maximum peak-to-peak Hoffmann reflex (Hmax) and muscle response (Mmax). Design and setting: A 4x5 factorial design with repeated measures on time was used in this study. Hmax and …

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A Comparison Of Hot Packs And Light Or Moderate Exercise On Rectus Femoris Temperature, Sean J. Sreniawski Dec 2001

A Comparison Of Hot Packs And Light Or Moderate Exercise On Rectus Femoris Temperature, Sean J. Sreniawski

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Context: Hot packs, light exercise, and or moderate exercise are used to heat soft tissue injuries before rehabilitation or competition for their desired effects. This comparison is beneficial to clinicians, so that they may be better educated on the use of the most effective therapeutic modality heating protocols when treating a soft tissue injury. Objective: To compare the application of a hot pack to light intensity exercise and moderate intensity exercise on peak temperature of the rectus femoris muscle, and the time at which peak temperature is reached. Design: A 1 x 3 factorial design was used in this study. …

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Comparison Of The Effectiveness Of The Dynamic Effort, Maximum Effort, And Repeated Effort Methods With Compensatory Acceleration, Eric W. Patterson May 2001

Comparison Of The Effectiveness Of The Dynamic Effort, Maximum Effort, And Repeated Effort Methods With Compensatory Acceleration, Eric W. Patterson

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Resistance training is being used to better sports performances worldwide. Increases in strength have been shown to enhance performance and decrease the incidence of injury. The optimum speed and load needed to increase strength in the least amount of time has yet to be determined. Researchers have categorized different methods used to increase strength including the Dynamic Effort, Maximum Effort, and Repeated Effort Methods and Compensatory Acceleration. However, the optimum combination of these methods has not been shown through scientific study. The purpose of this study was to examine the effects of a six week training program using the Dynamic …

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Subcutaneous Adipose Tissue Thickness Changes Cooling Time During Cryotherapy, Jeffrey W. Otte Dec 2000

Subcutaneous Adipose Tissue Thickness Changes Cooling Time During Cryotherapy, Jeffrey W. Otte

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Context: Cryotherapy is often applied using a standard treatment time. Use of a standard treatment time fails to consider the insulating effect subculaneous adipose tissue has during cooling of underlying muscle. If differences in adipose lissuc thickness alter I he effects of cryotherapy, then a standard application time may not produce a slamlard clTcct for all patients. Objective: The purpose of this study was to examine the effects of subcutaneous adipose tissue on cooling time during cryothcrapy. Design: A 1 x 4 factorial design was used in this study. The independent variable was skin-fold thickness, 0-10mm, 1 l-20mm, 2 l-30mm, …

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The Relationship Between Intramuscular Temperature, Skin Interface Temperature, And Skin Fold Measurements During And After Cryotherapy, Lisa S. Jutte Aug 1999

The Relationship Between Intramuscular Temperature, Skin Interface Temperature, And Skin Fold Measurements During And After Cryotherapy, Lisa S. Jutte

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Objective: Many studies have questionably measured skin temperature to assess the efficacy of cryotherapy. In addition, there is controversy owr the relationship between subcutaneous adipose thickness and intramuscular temperature. Thcret'ore. the twofold purpose of this study was to examine the relationship between skin and intramuscular temperature and to describe the relationships between muscle temperature, skin temperature, room temperature, body core temperature, and subcutaneous adipose thickness. Design and Setting: A multiple linear regression was used. The independent variables were skin temperature, body core temperature, subcutaneous adipose thickness, and room temperature. The dependent variable was intramuscular temperature. Subjects: Fifteen volunteers (age= 22.9 …

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The Effects Of Ice And Compression Wraps On Intramuscular Temperatures At Various Depths, Mark A. Merrick Dec 1992

The Effects Of Ice And Compression Wraps On Intramuscular Temperatures At Various Depths, Mark A. Merrick

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The effects of ice and compression wrap applications on intramuscular temperature at the skin surface, 1 cm below the fat layer, and 2 cm below the fat layer were recorded in 11 subjects. Each subject was tested under all treatment conditions including control, compression only, ice only, and ice+ compression. Subjects underwent a 5-minute pre-application, a 3 ominute application, and a 20-minute post-application. Using thermocouples, surface and intramuscular temperatures were recorded at 30-second intervals for the entire study. A repeated measures ANOVA and Duncan Post Hoc tests were used to evaluate temperature differences between the treatment conditions and the depths …

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Effects Of Trigger Point Massage And Transcutaneous Electrical Stimulation On Muscular Tension In The Upper Trapezius, Kathryn L. Strum Aug 1990

Effects Of Trigger Point Massage And Transcutaneous Electrical Stimulation On Muscular Tension In The Upper Trapezius, Kathryn L. Strum

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The study investigated the treatment methods of trigger point massage therapy and transcutaneous electrical muscle stimulation (TENS) with the intent of clarifying which method decreased the level of muscular tension in the upper trapezius muscle more effectively over various time periods. The members of the Indiana State University softball team, consisting of sixteen women, were the subjects for this study. The subjects were randomly assigned to one of three groups: a trigger point massage group; a TENS group; and a control group. Using electromyography, the subjects were tested four times throughout the treatment procedure. The control group participated in the …

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A Comparative Study Of Beginning Swimming Techniques, Stephen C. Meyer Jul 1972

A Comparative Study Of Beginning Swimming Techniques, Stephen C. Meyer

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No abstract provided.

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