KIN 569 Lab 2 - Resting and Exercise Blood Pressure and Heart Rate HR can be measured by several techniques, during rest or exercise, including: · Palpation of pulse at an anatomic site, such as the radial artery or carotid artery (the frequency of pulse waves per minute propagated along the peripheral arteries is usually identical to HR) · Auscultation using a stethoscope to hear heartbeat on chest (the lub-dub sound is equal to one contraction) · HR monitor/watches · Electrocardiogramalectrical waves of depolarizing and repolarizing of heart cells) - not typically used in health and fitness testing Palpation of pulse: . Radial: lightly press the index and middle fingers against the radial artery in the groove on the lateral wrist (bordered by the abductor pollicis longus and the extensor pollicis longus muscles) . Carotid: may be more visible or easily found than the radial pulse; press fingers lightly along the medial border of the sternocleidomastoideole in the lower neck. Avoid the carotid sinus area (stay well below their thyroid cartilage) to avoid the reflexive slowing of HR or drop in BP by the baroreceptor reflex. Heart rate data collection: Measure your own resting heart rate (6fi second count sitting or lying down) RHR 9fi Measure a classmate's resting heart rate RHR 77 Measure your exercise heart rate while walking around the room (1fi or 15 second count) Exercise HR 11fi Measure a classmate's exercise heart rate while they are walking around the room or on an exercise bike Exercise HR 115
Blood pressure: Read attached information about blood pressure and pulse pressure. Measure five students' resting BP and allow five students to measure your resting BP. Record the values that were measured on you below (do not let the technician see the previous measurement values). Technician 1 2 3 4 5 6 SBP 11fi 114 72 11tti 76 11tti 12fi 11tti DBP 7fi 7fi 7tti 72 Using the mean values for SBP and DBP, provide an interpretation of your resting BP. Refer to Table 2.3 in GETP11 BP interpretation: 116/74 is mean values. My BP is normal so I should promote optimal lifestyle habits and reassess yearly. Does your systolic and/or diastolic arterial pressure change as your heart rate increases? As heart rate increases, systolic and diastolic pressure both increase because there is a greater increase in systolic pressure than diastolic pressure. Additionally, HR and Heart Contractility increase during exercise. How does this change affect your pulse pressure? This will increase pulse pressure due to the systolic and diastolic readings raising. As these values raise, the pulse pressure raises as well. How would you expect the systolic, diastolic, and pulse pressures to change in a normal healthy individual as the heart rate increases? I would expect the Systolic and diastolic pressure to increase. Pulse pressure also increases as HR increases after exercise. After exercise, arteries are more elastic; so, we can see the difference better between systolic and diastolic. When the arteries are hardened, they don't expand as well