Blood Pressure Responses of Males During Isometric and Dynamic Exercise in Cold Temperature PDF Download
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Author: Bret G. Hammig
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
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Book Description
Author: Bret G. Hammig
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
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Book Description
Author: Jacqueline L. Vanderluit
Publisher:
ISBN:
Category : Exercise
Languages : en
Pages : 214
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Book Description
Author: Anthony C. Lentini
Publisher:
ISBN:
Category : Blood pressure
Languages : en
Pages : 360
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Author: Darren A. Johnson
Publisher:
ISBN:
Category : Exercise
Languages : en
Pages : 0
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Book Description
This study compared the cardiovascular responses to the PWC 140, cold pressor test (CPT), and isometric hand grip (IHG), to evaluate the consistency in the blood pressure response among these physical stressors. Eighteen resting normotensive males were classified as either normotensive at exercise or exercise hypertensive on the basis of their blood pressure response to the first stage of the Canadian Aerobic Fitness Test (CAFT) for their age group. Subjects were administered a 6-min PWC 140 bicycle ergometer test, a 120 sec CPT (forearm and hand immersion), and a 120 sec IHG at 30% MVC. Systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), heart rate (HR), stroke volume (SV), cardiac output (CO), and ejection fraction (EF) were recorded every 5 seconds during a one min resting period, during exercise, and for 3 min post exercise using a Finapress 2000 BP monitor and BoMed bioimpedance cardiac monitor. The results of this study indicate that: (1) there were no significant differences between the two groups for the cardiovascular responses to the PWC 140, IHG, and CPT with the exception of a greater CO and SV in normotensives on the PWC 140, and a higher HR in exercise hypertensives on the CPT; (2) the exercise hypertensives had a greater rate of increase in SBP and DBP than the normotensives over the first 90 seconds of the CPT; (3) there was no consistent pattern in the individual responses to the CAFT, CPT, and IHG with respect to $\Delta$SBP. It was concluded that within the context of this study, the blood pressure responses to dynamic exercise, isometric exercise, and cold stress were not consistent among the subjects and tests.
Author: Yun Lin
Publisher:
ISBN:
Category : Blood pressure
Languages : en
Pages : 166
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Author: Tracy Dottori
Publisher:
ISBN:
Category : Blood pressure
Languages : en
Pages : 248
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Although the cardiovascular changes associated with dynamic exercise have been investigated, there still remain many unanswered questions with respect to blood pressure following exercise. This study examined the effect of temperature on systolic (SBP), diastolic blood pressure (DBP), heart rate (HR), oxygen consumption $\rm(VO\sb2),$ and skin temperature (Tsk) in 10 healthy, young males (23-28 years of age), during a 60-minute supine post-exercise recovery period. On separate occasions, 20 minutes of treadmill exercise at heart rate of 140 beats per minute, preceded a 60-minute recovery period in a supine position conducted at either $\rm18\sp\circ C,\ 27\sp\circ C,\ or\ 40\sp\circ C.$ Results indicated that mean SBP was significantly more above baseline values at $\rm18\sp\circ C$ than at either $\rm27\sp\circ C\ or\ 40\sp\circ C.$ However, no significant difference in SBP was observed between recovery at $\rm27\sp\circ C\ and\ 40\sp\circ C.$ Also, no significant differences were observed among the three conditions for mean DBP. HR decreased progressively during recovery but remained above baseline values, except at $\rm18\sp\circ C$. No significant differences among recovery conditions were observed for $\rm VO\sb2.$ Mean skin temperatures were significantly different among the three recovery conditions except immediately upon entering the chamber. It was concluded that recovery at $\rm18\sp\circ C$ maintained post-exercise SBP above baseline values while $\rm27\sp\circ C\ and\ 40\sp\circ$C caused a decrease in post-exercise SBP with respect to baseline values. DBP and $\rm VO\sb2$ during recovery were not influenced by temperature. HR decreased gradually post-exercise with the lowest HR observed during cold exposure. Therefore, for the conditions of this experiment temperature had a significant effect on SBP, HR and skin temperature all of which effectively appeared to be associated with peripheral vasodilation/constriction mechanisms.
Author: Donald J. Torok
Publisher:
ISBN:
Category : Blood pressure
Languages : en
Pages : 120
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Book Description
Author: Brent E. Faught
Publisher:
ISBN:
Category : Blood pressure
Languages : en
Pages : 172
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Author: Tracy Dottori
Publisher:
ISBN:
Category : Blood pressure
Languages : en
Pages : 0
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Book Description
Although the cardiovascular changes associated with dynamic exercise have been investigated, there still remain many unanswered questions with respect to blood pressure following exercise. This study examined the effect of temperature on systolic (SBP), diastolic blood pressure (DBP), heart rate (HR), oxygen consumption $\rm(VO\sb2), $ and skin temperature (Tsk) in 10 healthy, young males (23-28 years of age), during a 60-minute supine post-exercise recovery period. On separate occasions, 20 minutes of treadmill exercise at heart rate of 140 beats per minute, preceded a 60-minute recovery period in a supine position conducted at either $\rm18\sp\circ C, \ 27\sp\circ C, \ or\ 40\sp\circ C.$ Results indicated that mean SBP was significantly more above baseline values at $\rm18\sp\circ C$ than at either $\rm27\sp\circ C\ or\ 40\sp\circ C.$ However, no significant difference in SBP was observed between recovery at $\rm27\sp\circ C\ and\ 40\sp\circ C.$ Also, no significant differences were observed among the three conditions for mean DBP. HR decreased progressively during recovery but remained above baseline values, except at $\rm18\sp\circ C$. No significant differences among recovery conditions were observed for $\rm VO\sb2.$ Mean skin temperatures were significantly different among the three recovery conditions except immediately upon entering the chamber. It was concluded that recovery at $\rm18\sp\circ C$ maintained post-exercise SBP above baseline values while $\rm27\sp\circ C\ and\ 40\sp\circ$C caused a decrease in post-exercise SBP with respect to baseline values. DBP and $\rm VO\sb2$ during recovery were not influenced by temperature. HR decreased gradually post-exercise with the lowest HR observed during cold exposure. Therefore, for the conditions of this experiment temperature had a significant effect on SBP, HR and skin temperature all of which effectively appeared to be associated with peripheral vasodilation/constriction mechanisms.
Author: Jack Plummer Williams
Publisher:
ISBN:
Category : Blood pressure
Languages : en
Pages :
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"Arterial blood pressure may decrease below pre-exercise resting levels immediately after both aerobic and dynamic resistance exercise. This response is known as post-exercise hypotension (PEH). The purpose of this study was to determine and compare the blood pressure responses to isometric and dynamic handgrip exercise through two hours following exercise in pre-hypertensive subjects. The isometric protocol consisted of 3 sets of sustained isometric handgrip with the non-dominant arm for 3 minutes at 30% MVC. The dynamic resistance handgrip exercise protocol consisted of 3 sets of 45 rhythmic contractions at 60% MVC with the non-dominant arm for 3 minutes. Neither isometric nor dynamic handgrip exercise significantly lowered post-exercise systolic and/or diastolic blood pressure compared to the control condition."--Abstract from author supplied metadata.
