This study investigated the exercise intensity and energy expenditure involved in two gardening activities (planting transplants and sowing seeds in a garden plot) and four common physical activities (running, skipping rope, walking, and throwing a ball) in children. Eighteen children aged 11 to 13 ...
This study investigated the exercise intensity and energy expenditure involved in two gardening activities (planting transplants and sowing seeds in a garden plot) and four common physical activities (running, skipping rope, walking, and throwing a ball) in children. Eighteen children aged 11 to 13 years (mean age, $12.3{\pm}0.7$ years) participated in this study. The children made two visits to a high tunnel in Cheongju, Chungbuk, South Korea and performed randomly selected activities. Each activity was performed for 10 min, with a 5-min rest period between activities. The children wore a Cosmed $K4b^2$ (Cosmed $K4b^2$; Cosmed, Rome, Italy), which is a portable calorimetric monitoring system, to measure indicators of metabolic cost such as oxygen uptake and energy expenditure. The children's heart rates during the activities were measured by radiotelemetry (Polar T 31; FitMed, Kempele, Finland). We found that the two gardening and four physical activities performed by the 11-13 years old children in this study were moderate-to high-intensity physical activities [i.e.,$5.4{\pm}0.7$ to $9.1{\pm}1.4$ metabolic equivalents (METs)]. Running ($9.1{\pm}1.4$ METs) and skipping rope ($8.8{\pm}1.1$ METs) were high-intensity physical activities, whereas walking ($6.1{\pm}0.9$ METs), planting transplants ($5.8{\pm}1.1$ METs), throwing a ball ($5.6{\pm}1.1$ METs), and sowing seeds ($5.4{\pm}0.7$ METs) were moderate intensity physical activities. Running and skipping rope were significantly more intense than the other activities (P < 0.0001). The gardening tasks such as planting transplants and sowing seeds in a garden plot showed similar exercise intensities and energy costs as walking and throwing a ball. This study indicates that gardening can be used as a physical activity intervention to provide health benefits similar to more common physical activities such as walking and running.
This study investigated the exercise intensity and energy expenditure involved in two gardening activities (planting transplants and sowing seeds in a garden plot) and four common physical activities (running, skipping rope, walking, and throwing a ball) in children. Eighteen children aged 11 to 13 years (mean age, $12.3{\pm}0.7$ years) participated in this study. The children made two visits to a high tunnel in Cheongju, Chungbuk, South Korea and performed randomly selected activities. Each activity was performed for 10 min, with a 5-min rest period between activities. The children wore a Cosmed $K4b^2$ (Cosmed $K4b^2$; Cosmed, Rome, Italy), which is a portable calorimetric monitoring system, to measure indicators of metabolic cost such as oxygen uptake and energy expenditure. The children's heart rates during the activities were measured by radiotelemetry (Polar T 31; FitMed, Kempele, Finland). We found that the two gardening and four physical activities performed by the 11-13 years old children in this study were moderate-to high-intensity physical activities [i.e.,$5.4{\pm}0.7$ to $9.1{\pm}1.4$ metabolic equivalents (METs)]. Running ($9.1{\pm}1.4$ METs) and skipping rope ($8.8{\pm}1.1$ METs) were high-intensity physical activities, whereas walking ($6.1{\pm}0.9$ METs), planting transplants ($5.8{\pm}1.1$ METs), throwing a ball ($5.6{\pm}1.1$ METs), and sowing seeds ($5.4{\pm}0.7$ METs) were moderate intensity physical activities. Running and skipping rope were significantly more intense than the other activities (P < 0.0001). The gardening tasks such as planting transplants and sowing seeds in a garden plot showed similar exercise intensities and energy costs as walking and throwing a ball. This study indicates that gardening can be used as a physical activity intervention to provide health benefits similar to more common physical activities such as walking and running.
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문제 정의
Therefore, this study was performed to compare the exercise intensity and energy expenditure of gardening activities (planting transplants and sowing seeds) with those of common physical activities (running, skipping rope, walking, and throwing a ball) in children in order to determine whether gardening can be utilized as a health-promoting physical activity in elementary school children.
제안 방법
, 2001). Each child also wore a heart rate monitor under the pectoral region, and the heart rate data were measured continuously throughout each entire test session by radiotelemetry (Polar T 31; FitMed, Kempele, Finland).
In this study, eighteen 11-13 years old (mean 12.3 ±0.7 years old) children with body mass index values within the normal range performed two gardening and four common physical activities in order to determine the exercise intensities and energy costs of the activities.
The participants performed two gardening activities (planting transplants and sowing seeds) and four common physical activities (running, skipping rope, throwing a ball, and walking) in a high tunnel (14 × 6 m) in Cheongju, Chungbuk, South Korea (Table 1). The children visited the experimental site and performed four physical activities and two gardening activities in a random order that was determined by drawing lots. Each of the activities was performed for 10 min with a 5-min rest break between activities.
The descriptive data, such as height, weight, body composition, resting metabolic rate, and resting heart rate, were obtained before the start of the first test session (Table 2). Weight and body composition were measured using a body fat analyzer (ioi 353; Jawon Medical, Gyeongsan, South Korea), and height was measured using an anthropometer (Ok7979; Samhwa, Seoul, South Korea).
The descriptive data, such as height, weight, body composition, resting metabolic rate, and resting heart rate, were obtained before the start of the first test session (Table 2). Weight and body composition were measured using a body fat analyzer (ioi 353; Jawon Medical, Gyeongsan, South Korea), and height was measured using an anthropometer (Ok7979; Samhwa, Seoul, South Korea). Resting metabolic rate and heart rate were measured using a portable telemetric calorimeter (Cosmed K4b2 ) and heart rate monitor (Polar T 31) while the child sat quietly on a chair for 5 min.
대상 데이터
Eighteen Korean children aged 11 to 13 years were recruited from the community in Cheongju, Chungbuk, South Korea. A recruiting flyer containing a description of the study and its requirements was posted at churches, community centers, and residential areas in Cheongju. Recruitment was also conducted by word of mouth.
Table 2. Descriptive characteristics of the children (N = 18) who participated in this study to investigate the exercise intensities and energy costs of gardening and common physical activities in children.
Eighteen Korean children aged 11 to 13 years were recruited from the community in Cheongju, Chungbuk, South Korea. A recruiting flyer containing a description of the study and its requirements was posted at churches, community centers, and residential areas in Cheongju.
Eighteen children (13 males and 5 females) with a mean age of 12.3 ± 0.7 years and a mean body mass index of 21.2 ± 4.2 kg·m-2 participated in this study (Table 2).
The participants performed two gardening activities (planting transplants and sowing seeds) and four common physical activities (running, skipping rope, throwing a ball, and walking) in a high tunnel (14 × 6 m) in Cheongju, Chungbuk, South Korea (Table 1).
데이터처리
Duncan’s multiple range test was used to compare the mean metabolic rates for the two gardening and four physical activities with a significance level of P < 0.05 using the Statistical Analysis System (SAS Version 9 for Windows, SAS Institute, Inc., Cary, NC).
성능/효과
In conclusion, this study determined that common gardening tasks such as transplanting and sowing seeds can be considered a form of physical activity similar to other moderate intensity physical activities such as walking and throwing a ball for children aged 11-13.
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