Measure the Energy Expenditure When Seniors Using Outdoor Fitness Equipment

Abstract

Background: In recent years there are many outdoor fitness equipment built in the park that provides the seniors a new way to doing exercise Although these facilities are modified from many gym facilities these facilities are without resistance and strength levels Hence the aim of this study is to examine energy expenditures when seniors using the outdoor fitness equipment In addition this study also use a wearable device to measure the energy expenditure to compare the differences Purpose: This study was designed for 1 Measure the energy expenditure and exercise intensity when seniors using outdoor fitness equipment in the park 2 Examine if the data produced by a wearable device (iNCKU smart watch) and the amount of energy required are different when using outdoor fitness equipment Method: The subjects were above 65 years old participated in this research They equipped iNCKU smart watch on the left hand a metabolic system (K4b2) and polar heart rate belt on the chest to measure the energy expenditure while they are using the outdoor fitness equipment The subjects were follow the exercise prescriptions to manipulate four kinds of outdoor fitness equipment Subjects were practiced each equipment before the experiment started and used the equipment at a random order A break were be given between manipulating each equipment The K4b2 provides breath-by-breath pulmonary data which were capture by Matlab to obtain the data during the stable phase between 100~160 seconds when subject was exercising Data from the iNCKU smart watch were recorded to an experimental record sheet One-way ANOVA was used for analyzing the energy expenditure record from the iNCKU smart watch with that from K4b2 Result: A total of sixteen healthy seniors (eight males and eight females) finished all protocols the average age of the subjects is 70 69±5 59 years old The energy expenditure for Air walker from frequency 80 Bpm 100 Bpm and 120 Bpm are 50 78±14 76 cal/kg/min 59 62±14 23 cal/kg/min and 65 62±18 27 cal/kg/min for Ski machine from frequency 80 Bpm 100 Bpm and 120 Bpm are 54 00±14 31 cal/kg/min 68 87±22 74 cal/kg/min and 74 55±23 39 cal/kg/min for Waist twister is 38 43±20 16 cal/kg/min Double arm stretch is 31 05±12 58 cal/kg/min A 3 2 kph speed of walking is 58 53±19 29 cal/kg/min and 4 0 kph speed of walking is 60 90±20 69 cal/kg/min The METs levels for Air walker from frequency 80 Bpm 100 Bpm and 120 Bpm are 2 81±0 85 3 26±0 82 and 3 55±1 02 Ski machine from frequency 80 Bpm 100 Bpm and 120 Bpm are 3 02±0 87 3 82±1 35 and 4 05±1 35 for Waist twister is 2 05±1 15 and for Double arm stretch is 1 63±0 70 A 3 2 kph speed of walking is 3 23±1 04 and 4 0 kph speed of walking is 3 36±1 14 According to one-way ANOVA it is significantly different between K4b2 and iNCKU smart watch in all projects when comparing the energy expenditure Conclusion: This study presents energy expenditure and exercise intensity when seniors using four kinds of outdoor fitness equipment in the park The finding shows that Ski machine and Air walker are moderate-intensity exercise for 3~4 METs while the Waist twister and the Double arm stretch are light-intensity exercise for about 1~2 METs When comparing the intensity of outdoor fitness equipment with the similar fitness equipment it is found that METs values are lower This research also tries to use the iNCKU smart watch to measure the energy expenditure when seniors using outdoor fitness equipment Unfortunately two kinds of devices in the statistics were significantly different in all measurements It is demonstrating that single sensor measurement has some limitations when measuring the complex motion activities It may be necessary to rely on combined sensors which can measure different parts of physical functions or use different physiological indicators to calculate the measurement values

Date of Award	2017 Jan 23
Original language	English
Supervisor	Hsueh-Wen Chow (Supervisor)