This study aimed to identify the exercise intensity associated with four common physical activities for adults (running, skipping rope, walking, and muscle strength exercises) and two horticultural activities (creating a vegetable bed and garden maintenance). For this experiment, 19 males (mean age:...
This study aimed to identify the exercise intensity associated with four common physical activities for adults (running, skipping rope, walking, and muscle strength exercises) and two horticultural activities (creating a vegetable bed and garden maintenance). For this experiment, 19 males (mean age: $25.8{\pm}2.3$ years) randomly participated in the activities at a glasshouse at Konkuk University. Each of the six activities lasted for 5 minutes; the subjects rested for 5 minutes during intervals between the activities. A portable metabolic analyzer was used to store the oxygen and energy consumption values obtained upon measurement of each activity. In addition, a wireless heart rate monitor was used to measure the subjects' heart rate. According to the results, the four types of physical activities and two horticultural activities carried out by the subjects are moderate- to high-intensity activities [i.e., $3.8{\pm}0.9$ to $9.9{\pm}2.1$ metabolic equivalents (METs)]. Running ($9.9{\pm}2.1$ METs) and skipping rope ($8.8{\pm}2.2$ METs) were categorized as high-intensity physical activities, whereas creating a vegetable bed ($5.0{\pm}1.2$ METs), walking ($4.9{\pm}0.8$ METs), muscle strength exercises ($4.5{\pm}1.3$ METs), and garden maintenance ($3.8{\pm}0.9$ METs) were classified as moderate-intensity physical activities. The exercise intensities of horticultural activities in this study were similar to those of walking and muscle strength exercises. Therefore, participating in these horticultural activities is expected to garner health benefits similar to those reaped from the physical activities described in the current study.
This study aimed to identify the exercise intensity associated with four common physical activities for adults (running, skipping rope, walking, and muscle strength exercises) and two horticultural activities (creating a vegetable bed and garden maintenance). For this experiment, 19 males (mean age: $25.8{\pm}2.3$ years) randomly participated in the activities at a glasshouse at Konkuk University. Each of the six activities lasted for 5 minutes; the subjects rested for 5 minutes during intervals between the activities. A portable metabolic analyzer was used to store the oxygen and energy consumption values obtained upon measurement of each activity. In addition, a wireless heart rate monitor was used to measure the subjects' heart rate. According to the results, the four types of physical activities and two horticultural activities carried out by the subjects are moderate- to high-intensity activities [i.e., $3.8{\pm}0.9$ to $9.9{\pm}2.1$ metabolic equivalents (METs)]. Running ($9.9{\pm}2.1$ METs) and skipping rope ($8.8{\pm}2.2$ METs) were categorized as high-intensity physical activities, whereas creating a vegetable bed ($5.0{\pm}1.2$ METs), walking ($4.9{\pm}0.8$ METs), muscle strength exercises ($4.5{\pm}1.3$ METs), and garden maintenance ($3.8{\pm}0.9$ METs) were classified as moderate-intensity physical activities. The exercise intensities of horticultural activities in this study were similar to those of walking and muscle strength exercises. Therefore, participating in these horticultural activities is expected to garner health benefits similar to those reaped from the physical activities described in the current study.
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제안 방법
The subjects took a 5 min break between each activity. Before each activity, the researcher provided a detailed explanation on what that activity involved and the method needed to carry it out, so as to ensure consistency among the subjects. The six activities performed by the subjects were as follows.
The subjects’ metabolic rate and heart rate were measured before the commencement of the six activities and during the resting periods. During the breaks, as the subjects sat on a chair in a stable position for 5min, their metabolism rate and heart rate were measured with the Cosmed K4b2 and radiotelemetry (Polar T 31), respectively. Subjects’ age and height measurements were collected through a demographic survey, while their weight and other physical characteristics were measured with a fat analyzer (Model ioi 353; Jawon Medical, South Korea).
Garden maintenance was divided into four stages, which consisted of weeding, propping up support, removing withered leaves, and watering plants. For each activity, the subjects were expected to complete each stage within a set time.
In addition, subjects wore a wristwatch and related equipment on the lower chest that recorded heart rate wirelessly through radiotelemetry (Polar T 31; FitMed, Kempele, Finland). The subjects’ metabolic rate and heart rate were measured before the commencement of the six activities and during the resting periods.
In this study, each subject wore a portable indirect calorimeter (K4b2; Cosmed, Rome, Italy) when carrying out the activities. This would enable the measurement of O2 uptake and energy expenditure for the six activities and would therefore provide the MET value, which represents physical activity intensity.
Subjects’ age and height measurements were collected through a demographic survey, while their weight and other physical characteristics were measured with a fat analyzer (Model ioi 353; Jawon Medical, South Korea).
The results of this study lend information towards devising horticultural activity programs based on activity intensity as well as physical activity programs designed to change adults’ physical activity patterns, with the aim of preventing sedentary lifestyles.
When creating a vegetable bed, the subjects had to do so in five stages, which involved moving, mixing, and filling soil, as well as planting seedlings and watering at set times. In the first stage, the subjects had to move soil from a bucket (75 L) into a container for a period of 60 s using a shovel (0.
대상 데이터
The measuring equipment consisted of a portable unit, a receiver unit, an exercise mask, a flowmeter, battery, battery changer, and a calibration kit, among others. The portable unit (weight: 1.
The measuring equipment consisted of a portable unit, a receiver unit, an exercise mask, a flowmeter, battery, battery changer, and a calibration kit, among others. The portable unit (weight: 1.5 kg), which collects the data, was composed of an O2 analyzer, a CO2 analyzer, sampling pump, UHF transmitter, and barometric sensors. The accuracy rate of the O2 analyzer, which enabled the measurement of VO2 and energy expenditure, was ± 0.
The study sample consisted of 19 male students at Konkuk University, Gwangjin-gu, Seoul. The subjects were required to male, aged in 20s, able to engage in physical activities, and without current physical illness.
The study subjects were 19 male adults with an average age of 25.3 ± 2.3 (age range 21 to 28 years) and an average body mass index of 22.7 ± 2.1 kg･m-2, which is within the normal range (Table 1).
The subjects visited the glasshouse at Konkuk University between late June and early July 2013, wherein they performed six activities (two horticultural activities and four common physical activities). The glasshouse had an average temperature of 27.
This study sought to examine the physical activity intensity and energy consumption associated with two horticultural activities and four physical activities as performed by 19 males in their twenties (mean 25.8 ± 2.3 years old).
데이터처리
In order to compare the intensity of the two gardening activities and four physical activities, Duncan’s multiple range test was conducted through SAS Version 9 for Windows (SAS Institute, Inc., Cary, NC, USA), with p ≤0.05 as the standard.
후속연구
Therefore, this study compared physical activity intensity and energy consumption between common physical activities (running, skipping rope, walking, and muscle strength exercises) and gardening activities (creating a vegetable bed and garden maintenance). The results from this study could help determine if gardening can be utilized as a physical activity to lead the same health benefits from non gardening forms of physical activities in adults.
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