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Articles 31 - 59 of 59

Full-Text Articles in Kinesiology

Effects Of Warm-Up And Stretching On Vertical Jump Performance And Leg Power, Douglas C. Samuelson May 2004

Effects Of Warm-Up And Stretching On Vertical Jump Performance And Leg Power, Douglas C. Samuelson

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This study compared the effects of a general warm-up, a general warm-up and sitting quietly, a general warm-up and static stretching, and a general warm-up and ballistic stretching protocols on vertical jump performance and leg power. Eleven National Collegiate Athletic Assoiciation (NCAA) Division 1-A female volleyball players served as subjects. The subjects performed four treatments prior to the three vertical jump trials, consisting of a general warm-up, a warm-up and sitting quietly, a warm-up and static stretch, and a warm-up and dynamic stretch. The subjects also performed a Sit and Reach test prior to and after each treatment to determine …

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The Effects Of Hypnosis And Guided Imagery On The Performance Of Track Athletes, Johnathan C. Mossey Dec 2003

The Effects Of Hypnosis And Guided Imagery On The Performance Of Track Athletes, Johnathan C. Mossey

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Although sport psychologists may utilize numerous hypnotic interventions and techniques intended to enhance the performance of athletes, many of these interventions have not been examined by systematic research. This exploratory study examined the effects of interventions using imagery and imagery plus hypnosis on the performance of track athletes. Twenty-nine students from a Midwestern high school track team were randomly assigned to one of two intervention groups: a) imagery and hypnosis or b) an imagery only group. Track team members at another high school served as the control group. The athletes in each group had their performance examined at track meets …

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Does Exercise And Placement Technique Affect Triceps Surae Thermocouple Position As Measured By Magnetic Resonance Imaging?, Breanne A. Piatt Dec 2003

Does Exercise And Placement Technique Affect Triceps Surae Thermocouple Position As Measured By Magnetic Resonance Imaging?, Breanne A. Piatt

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Context: Intramuscular temperatures are commonly recorded with the use of implantable thermocouples. Currently, there are 2 techniques of inserting intramuscular thermocouples, a traditional technique, which inserts the thermocouple with a sterile hypodermic needle, then retracts the needle, and a catheter-assisted technique, which uses a spring-loaded catheter to insert the catheter then a thermocouple is fed through the catheter to target position. Objective: The purpose of this study was first to investigate whether or not target position is obtained with either insertion method. A second purpose of this study was to quantify the amount of movement that occurs after exercise. Lastly, …

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External Ankle Stablization: Male High School Basketball Players' Perceptions On Functional Performance, Renae E. Bomar Aug 2003

External Ankle Stablization: Male High School Basketball Players' Perceptions On Functional Performance, Renae E. Bomar

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Objective: The purpose of this study was to measure and report athletes' perceptions of the effects an external ankle support has on functional performance, and to gain knowledge ofwhat type of ankle support the athletes choose to wear. Design and Setting: A questionnaire containing demographic information and 4 construct areas was designed to focus on assessing high school male basketball players' perception of functional performance while wearing an external ankle support. Survey p~ckets were sent to high school certified athletic trainers (ATCs) to be distributed to each male basketball player. Subjects: Approximately 770 surveys were sent out to ATCs in …

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The Effect Of Active Exercise On Rectus Femoris Cooling Time, Blaine C. Long Aug 2003

The Effect Of Active Exercise On Rectus Femoris Cooling Time, Blaine C. Long

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Context: The ability for cryotherapy to influence subcutaneous temperature has mainly been considered during resting skeletal muscle. However, most injuries occur when subcutaneous temperatures have been physically active. Objective: The purpose of this study was to evaluate the effect of ice on exercised rectus femoris musculature and the effect of exercise on cooling rectus femoris musculature to 1 0°C below resting temperature. Design and Setting: Two 2 x 2 repeated measures designs were used. The study was conducted in the Sports Injury Research Laboratory at Indiana State University. Subjects: Six (age= 26.0 ± 3.2 yrs, ht = 181.6 ± 2.4cm, …

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Certified Athletic Trainers' Knowledge And Perception Of Professional Preparation Involving Eating Disorders Among Athletes, Emily Jo Reliford Aug 2003

Certified Athletic Trainers' Knowledge And Perception Of Professional Preparation Involving Eating Disorders Among Athletes, Emily Jo Reliford

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Context: It was unclear in the current research how Certified Athletic Trainers (ATC) perceived their professional preparation about eating disorders and disordered eating. Objective: To establish how ATCs perceived their professional preparation and educational background in managing eating disorders. Design and Setting: A 42 item web based survey was specifically created for this study and disseminated to certified members of the NATA. Subjects: The survey was disseminated to 14,477 certified NATA members. The response rate was 13.6% (n=l 966) with a mean age 31.87±7.82. Measurements: This survey consisted of an 11 question demographics section, 13 Likert ( 1-7) scale questions, …

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Self Defense Instruction And Its Impact On Physical Self-Efficacy Of Female Cadets At The United States Military Academy, Jason Matthew Winkle May 2003

Self Defense Instruction And Its Impact On Physical Self-Efficacy Of Female Cadets At The United States Military Academy, Jason Matthew Winkle

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The purpose of this study was to determine the impact of self defense instruction of female cadets at the United States Military Academy on their physical self-efficacy. All95 female cadets enrolled in PE115 during the fall of2002 were surveyed on the first and last day of class to determine their levels of perceived physical ability (PPA) and physical self-presentation confidence (PSPC). Both the PP A and the PSPC are subscales ofthe Physical Self-Efficacy Scale (PSE). Completed data were collected from 80 (84 percent) ofthe subjects. Statistical data analysis included descriptive statistics and a 2x2 multivariate analysis of variance (MANOV A). …

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Technique Differences In Women's 100m Hurdles Between The Current Hurdle Height Of 84.0 Cm And A Proposed Hurdle Height Of 91.4 Cm, Jason M. Francis May 2003

Technique Differences In Women's 100m Hurdles Between The Current Hurdle Height Of 84.0 Cm And A Proposed Hurdle Height Of 91.4 Cm, Jason M. Francis

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This study examined women's 100 rn hurdle technique modifications over the proposed hurdle height of 91.4 ern compared to the current hurdle height of 84.0 ern. The technique modifications were determined by the kinematic variables composed of linear displacements and angular displacements, and the performance variables composed of velocity measures and timing information. Three women collegiate 1 OOrn hurdlers at Indiana State University and one post collegiate hurdler training at Indiana State University volunteered for the study. The athletes finished a six-week conditioning program prior to the start of hurdle training. The athletes were given two weeks or four hurdle …

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The Effect Of Local Muscle Fatigue On The Threshold Frequency Of An Electrically Induced Cramp, Marcus B. Stone May 2003

The Effect Of Local Muscle Fatigue On The Threshold Frequency Of An Electrically Induced Cramp, Marcus B. Stone

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Context: Muscle fatigue has been implicated as a factor in the cause of exercise associated muscle cramping. In an electrically induced muscle cramp, threshold frequency (TF) is the frequency of stimulation at which the cramp originates. Therefore, the TF of a fatigued muscle should shift from a previously established baseline. Objective: To determine the effect of local muscle fatigue on TF of electrically induced muscle cramp. Design: A 2 X 2 repeated measures design was used for this study. The independent variables were test (pre- and post-) and condition (control and fatigue). The dependent variable was TF of an electrically …

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Ethnic Differences Of Lower Extremity Kinematics And Ground Reaction Force During Walking, Takuya Okamoto Dec 2002

Ethnic Differences Of Lower Extremity Kinematics And Ground Reaction Force During Walking, Takuya Okamoto

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Although gait analysis has been conducted for a long time, there has been little attention paid to ethnic differences in kinematics and kinetics of walking gait. The purposes of this study were: to compare the lower extremity sagittal kinematics and ground reaction forces during walking gait cycle; and to compare the anthropometric dimensions oflower limbs during static standing between Japanese and American Caucasian males. 111 Thirty males from Indiana State University (fifteen from each ethnic group), aged twenty to twenty-nine years, served as subjects for this study. The lower extremity segmental characteristics were measured, using a tape measure, a Vernier …

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The Effects Of Post-Cryotherapy Exercise On Ankle Capsular Temperature, Craig A. Jamison Dec 2002

The Effects Of Post-Cryotherapy Exercise On Ankle Capsular Temperature, Craig A. Jamison

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Context: Cryokinetics is a common rehabilitative technique. To date, no data describing capsular temperature cycling during cryokinetics have been reported. Objective: To compare ankle capsular temperature before and at the end of each exercise bout during a typical cryokinetics session. Design: A 2 x 10 repeated measure factorial design was used. The independent variables were treatment and bout. The dependent variable for this study capsular temperature of the lateral talo-crural joint. Setting: Data were collected in the Sports Injury Research Laboratory at Indiana State University. Subjects: Nineteen volunteers participated in this study (age= 24.6 + .6 yr; mass= 74.1 + …

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An Investigation Of Perceived Restrictions On Certified Athletic Trainers Practice, Katy Taake Dec 2002

An Investigation Of Perceived Restrictions On Certified Athletic Trainers Practice, Katy Taake

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The purpose of this study was to identify the frequency and nature of perceived restrictions by certified athletic trainers (ATCs) and to determine the frequency of perceived restrictions for each practice setting within states that have legislation. This was a qualitative-descriptive study performed with a web-based survey. 10,000 ATCs receiving electronic mail from the National Athletic Trainers' Association (NATA) were invited to participate in this study. 1158 subjects participated in the study, and 724 subjects (295 female and 429 male; age=33.2 ± 8.3yrs) remained after exclusions. A webbased survey was created to evaluate perceived restrictions. Inorder to establish face validity …

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High School Grade Point Average Predicts Admission To An Entry-Level Athletic Training Education Program, Roger S. Dortch Aug 2002

High School Grade Point Average Predicts Admission To An Entry-Level Athletic Training Education Program, Roger S. Dortch

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Introduction: The increased number of applicants to allied health education programs has increased the responsibility of advisors and counselors to identify students that are most likely to succeed in the classroom and in the clinic. High school variables indicative of admission can be used as an early intervention to identify students' areas of strength. Students can be directed to resources that may improve his/her academic profile and possibly his/her chance of admission. Purpose: The purpose of this study was to identil\1 whether or not high school cumulative grade point average, high school rank in class, or standardized test scores can …

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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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A Comparison Of Isokinetic And Isotonic Predictions Of A Functional Task, Mitchell L. Cordova Dec 1994

A Comparison Of Isokinetic And Isotonic Predictions Of A Functional Task, Mitchell L. Cordova

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Controversy still exists regarding the use of isokinetic and isotonic exercise in rehabilitation of the injured athlete. Many studies have compared these two types of training methods on various strength measures and functional activity, but have focused on open kinetic chain training. The purposes of this investigation were to determine: 1) which form of closed kinetic chain training, isokinetic or isotonic, would produce the greatest increase in one-legged jump reaction force; and 2) which training method most accurately predicts peak force produced during a one-legged jump. Forty-two legs from 21 female volunteer subjects were used. Each subject had her dominant …

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Sensory Information And The Perception Of Cold-Induced Pain, Stephen S. Streator Aug 1994

Sensory Information And The Perception Of Cold-Induced Pain, Stephen S. Streator

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Specific terms are often used to describe the pain athletes will experience during cold treatments. It is not clear whether providing athletes with such sensory information will decrease their perceived pain during treatments. The purpose of this study was to determine if subjects' perception of cold-induced pain could be influenced by the type of information provided before treatment, such as "pain will be excruciating" or "pain will be minimal. 11 Ninety Division I intercollegiate athletes were randomly assigned to one of five groups: traditional terms (cold, burning, aching, numbness); high level (freezing, crushing, pounding, heavy), medium level (cold, gnawing, pulsing, …

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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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Temperature And Pain Changes Resulting From Post Surgical (Arthroscopy) Application Of Cold Packs, Caroline L. Creager Dec 1990

Temperature And Pain Changes Resulting From Post Surgical (Arthroscopy) Application Of Cold Packs, Caroline L. Creager

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Post-surgical cold applications are beneficial to orthopedic surgery patients. However, their use is limited because of the difficulty in maintaining a constant temperature, increased need for attention, and unwanted leaks or condensation from ice bags. Twenty-one arthroscopic surgery patients were divided into three groups: a Dura*Kold cold pack group, an Aircast Cryo/cuff compression dressing group, and a control group. Six dependent variables were examined: subjective pain ratings three and 48 hours after surgery, a subjective rating of functional activity 48 hours after surgery, skin temperature for three hours after surgery, and pain medication consumed during three hours and 48 hours …

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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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Skin Temperature Changes In The Ankle During And After Ice Pack Application Of 10, 20, 30, 45, And 60 Minutes, Joan H. Mlynarczyk Dec 1984

Skin Temperature Changes In The Ankle During And After Ice Pack Application Of 10, 20, 30, 45, And 60 Minutes, Joan H. Mlynarczyk

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This study investigated changes in ankle skin temperature during and following various durations of therapeutic cold application. Surface temperature was measured with a telethermister on the ankles of 10 male subjects during five treatment conditions. Experimental conditions involved the application of an ice pack to the ankle for 10, 20, 30, 45, and 60 minutes. Each subject was tested under all five treatment conditions utilizing a balanced Latin Square design. Subjects were required to lie at rest in a supine manner with both ankles elevated six inches above the treatment table. Following a 30 minute pre-treatment period, ice packs were …

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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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