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Full-Text Articles in Physiology
Evaluation Of Metabolic Stress Between Jumping At Different Cadences On The Digi-Jump Machine, Thomas S. Lyons, James W. Navalta, Zachary J. Callahan
Evaluation Of Metabolic Stress Between Jumping At Different Cadences On The Digi-Jump Machine, Thomas S. Lyons, James W. Navalta, Zachary J. Callahan
International Journal of Exercise Science
The American College of Sports Medicine (ACSM) recommends that healthy adults achieve a minimum of thirty minutes of moderate intensity aerobic exercise five days per week. While cycling, walking, and jogging are commonly observed methods of achieving these recommendations, another option may be repetitive jumping. The purpose of this study was to examine the metabolic responses between repetitive jumping at a cadence of 120 jumps per minute (JPMs) vs. 100 JPMs when utilizing the Digi-Jump machine. Twenty-eight subjects completed two jumping trials, one at 120 JPMs and one at 100 JPMs. Subjects jumped until volitional exhaustion, or for a maximum …
Association Of Body Surface Area And Body Composition With Heart Structural Characteristics Of Female Swimmers, Bahreh Sheikh Saraf, Hojat Allah Nikbakht, Mohammad Ali Azarbayjani
Association Of Body Surface Area And Body Composition With Heart Structural Characteristics Of Female Swimmers, Bahreh Sheikh Saraf, Hojat Allah Nikbakht, Mohammad Ali Azarbayjani
International Journal of Exercise Science
In healthy nonathletic populations, some left ventricle (LV) parameters such as LV mass (LVM) and LV end diastolic dimension (LVEDD) can be predicted by some of body size parameters such as body surface area (BSA), fat-free mass (FFM), and height (H). These body size parameters use to remove covariate influence of body size from cardiac dimension variables and allow comparisons to be made between individuals and groups of different body size. Endurance exercise has been associated with changes in LV size and body composition of athletes. The aim of this study was to evaluate in 30 trained female swimmers (age …
The Influence Of Handgrip And Pedal Cadence During Sustained Cycling Power Outputs, Randy Canivel, Frank B. Wyatt, Kinnari Prajapati, Nikesh Almeida, Sigal Patel, Diptesh Patel, Nikung Kalivada, Karishma Patel, Jayeshhumar Patel
The Influence Of Handgrip And Pedal Cadence During Sustained Cycling Power Outputs, Randy Canivel, Frank B. Wyatt, Kinnari Prajapati, Nikesh Almeida, Sigal Patel, Diptesh Patel, Nikung Kalivada, Karishma Patel, Jayeshhumar Patel
International Journal of Exercise Science: Conference Proceedings
In cycling performance, there has been interest in contribution the upper body (i.e. handgrip) provides during cycling efforts as well as power output during varying cadences. Little has been done pertaining to cardiovascular responses with the aforementioned during sustained power. PURPOSE: To determine the cardiovascular reactions to isometric hand-grip and different pedal cadences during sustained cycling efforts. METHODS: Subjects were nine (n=9) experienced cyclists. Each signed a medical-health and physical readiness questionnaire, and IRB approved informed consent. Resting values of heart rate (b*min.-1), blood pressure (mmHg), height (cm), weight (kg) and age (years) were assessed. A MonarkTM bicycle ergometer was …
Impact Of Blood Pressure Cuff Inflation Rates On Flow-Mediated Dilatation And Contralateral Arm Response, Hsin-Fu Lin, Mandeep Dhindsa, Takashi Tarumi, Steven Miles, Daniel Umpierre, Hirofumi Tanaka
Impact Of Blood Pressure Cuff Inflation Rates On Flow-Mediated Dilatation And Contralateral Arm Response, Hsin-Fu Lin, Mandeep Dhindsa, Takashi Tarumi, Steven Miles, Daniel Umpierre, Hirofumi Tanaka
International Journal of Exercise Science: Conference Proceedings
Flow-mediated dilatation (FMD) is widely used as an index of nitric oxide-mediated vasodilator function, yet its methodology has not been well established. Previous research indicates that rapid inflations of a blood pressure cuff evoke systemic vasoconstriction as it was observed on non-occluded contralateral arm. This would potentially contribute to the well-known variability of FMD readings and could complicate the emerging evidence that non-occluded contralateral arm responses during the FMD procedure is associated with the presence of coronary artery disease. Purpose: To test the hypotheses that fast inflation of a blood pressure cuff could reduce FMD values and influence contralateral vasodilatory …
Non-Invasive Techniques To Track Stroke Volume During Simulated Uncontrolled Hemorrhage, Chelsea R. Barrera (Undergraduate), Gilbert Moralez, Jesus I. Lara, Ashley Martinez, William H. Cooke
Non-Invasive Techniques To Track Stroke Volume During Simulated Uncontrolled Hemorrhage, Chelsea R. Barrera (Undergraduate), Gilbert Moralez, Jesus I. Lara, Ashley Martinez, William H. Cooke
International Journal of Exercise Science: Conference Proceedings
Battlefield medics and civilian first-responders have limited tools to assess the magnitude of blood loss in traumatically-injured patients. Accurate measures of stroke volume would provide important quantitative values for blood volume reductions, but battlefield medics and civilian first responders do not have access to standard laboratory methods to measure stroke volume. They may have access to arterial pulse wave detectors (for example, SPO2 monitors), but the usefulness of pulse wave detectors for determining stroke volume during hemorrhage has not been determined. PURPOSE: To compare stroke volumes estimated a with a standard laboratory rebreathing (RB) method to stroke volumes estimated from …
Thermographic Imaging To Detect Reductions Of Central Volume Induced By Simulated Hemorrhage, Ashley Martinez (Undergraduate Student), Gilbert Moralez, Chelsea R. Barrera, Jesus Lara, William H. Cooke (Ph.D)
Thermographic Imaging To Detect Reductions Of Central Volume Induced By Simulated Hemorrhage, Ashley Martinez (Undergraduate Student), Gilbert Moralez, Chelsea R. Barrera, Jesus Lara, William H. Cooke (Ph.D)
International Journal of Exercise Science: Conference Proceedings
Hemorrhage is the leading cause of death on the battlefield, but the magnitude of blood loss can be difficult to determine. Therefore, medics would benefit from advanced tools to detect blood loss. As skin temperature likely decreases with peripheral vasoconstriction, a portable thermographic imaging (TI) device capable of measuring skin temperature may assist in the detection hemorrhage. PURPOSE: To determine whether skin temperature measured with TI track stroke volume reductions during simulated hemorrhage. METHODS: We studied fifteen healthy volunteers (7 female and 8 male; 24±1 yrs; 171±3 cm; 69±3 kg). ECG, beat-by-beat finger arterial pressure (Finometer), respiratory rate (pneumobelt and …
Independent Multiple Correlates Of Post-Exercise Systolic Blood Pressure Recovery In Healthy Adults, Uchechukwu Dimkpa†, Andrew Ugwu‡
Independent Multiple Correlates Of Post-Exercise Systolic Blood Pressure Recovery In Healthy Adults, Uchechukwu Dimkpa†, Andrew Ugwu‡
International Journal of Exercise Science
Int J Exerc Sci 3(1): 25-35, 2010. The aim of the present study was to evaluate the independent relationships of systolic blood pressure recovery (SBPR) with age, sex, body mass index (BMI), waist circumference (WC), resting heart rate (HR), physical activity, and cigarette smoking in healthy adults. Subjects performed cycle ergometer exercise at progressive incremental workloads until subjects reached 80% of their age-predicted maximum HR. Blood pressure (BP) was measured before exercise (after 10 and 15 minutes of rest), during exercise (at 2-minute intervals), immediately after exercise (within the first minute) and subsequently at 2-minute intervals until recovery to baseline. …