The basic techniques of volleyball used to use muscular group in our body, especially the leg’s muscles that is facilitating the springboard movement. Explosive power is the ability of muscles to exert maximum force in a very quick time. Leg muscle explosive power is one of the essential components required in the sport of volleyball particular in the motion of smash, passing and blocking hat needs to be improved by training plyometrics. The training that were conducted during this research are the plyometric depth jump and plyometric box jump training using the principle of progressive load with 3 times frequencies a week within 6 weeks. The aim of this study is to compare the explosive power of training leg muscle. This study use a randomized experimental design with pre test and post test group design for six weeks with 3 times frequencies a week. The sample’s numbers is 32 participants that was divided into two groups. The first group was given training in plyometrics depth jump and the second group was given training plyometrics box jump. The explosive power of leg muscle is measured by using a jump DF which measured before and after training for each groups. The result of this research is shown before training in group I is 42.25 ± 3.92 cm and 51.81 ± 4.41cm after training (p <0.05). While, in group II the mean shows 40.25 ± 5.14 cm before training and 45.25 ± 5.07 cm after training (p <0.05). Training in group I can increase explosive power leg muscle than group II (p <0.05). Based on the result, it is concluded that the plyometric depth jump training is more better than the plyometric box jump training in increasing explosive power leg muscle for the students of volley ball extracurricular at SMK Negeri 1 Petang.Keywords: plyometrics depth jump training and box jump, explosive power leg muscle, sports volleyball.
Keseimbangan mengacu pada kemampuan tubuh untuk menjaga keseimbangan sambil menyesuaikan diri dengan gravitasi, permukaan tanah, dan objek lain di lingkungannya. Gangguan keseimbangan dapat menurunkan kualitas hidup serta menurunkan kemandirian lansia. Lansia dengan gangguan keseimbangan berisiko lebih tinggi untuk jatuh, yang dapat mengakibatkan berbagai trauma termasuk patah tulang, luka berat, dan bahkan kematian. Kegiatan ini bertujuan untuk memeriksa dan memberikan edukasi kepada lansia mengenai keseimbangan dan berbagai risiko yang ditimbulkan akibat gangguan keseimbangan serta upaya preventif yang dapat dilakukan berupa latihan keseimbangan. Metode dalam kegiatan ini terbagi dalam beberapa tahap yaitu tahap perizinan dan audiensi, tahap implementasi kegiatan dengan melakukan pemeriksaan keseimbangan dengan Fukuda step test. Tahap selanjutnya memberikan edukasi keseimbangan dan upaya preventif yang dapat dilakukan untuk mencegah gangguan keseimbangan. Output dari kegiatan ini adalah peningkatan kualitas hidup lansia, sedangkan outcomenya adalah kepuasan lansia terhadap pelayanan yang diberikan. Hasil dari kegiatan pengabdian kepada masyarakat ini adalah jumlah lansia yang mengikuti kegiatan sebanyak 26 orang dengan rincian laki-laki berjumlah 8 (30,8%) orang, sedangkan perempuan berjumlah 18 (69,2%) orang. Lansia yang mengalami gangguan keseimbangan adalah 17 (65,4%) orang dan dengan keseimbangan baik sebesar 9 (34,6%) orang. Berdasarkan hasil diatas, disimpulkan bahwa banyak lansia mengalami gangguan keseimbangan pada Kelompok Lansia Karang Lansia Rahayu, Banjar Kertha Bhuwana, Denpasar.
Background: The elderly are very sensitive to disease and health problems. The lack of economic support, such as nutritious food as the source of energy, is the most often cause of health problems in the elderly. Reduced energy in the elderly's body causes the elderly's lack of physical activity, which affects the VO2max level of the elderly. Objective: The purpose of this study was to determine the relationship between physical activity and VO2max in the elderly. Methods: The research design was a cross-sectional study conducted in March 2021 with a population of all elderly in Banjar Tegalnarungan, Sobangan Village, Mengwi District, Bali, Indonesia, who met the inclusion and exclusion criteria. The sampling technique in this study was total sampling and obtained 38 people. This study used the International Physical Activity Questionnaire questionnaire and 6 Minutes Walking Test to measure the physical activity levels and VO2max, respectively. Data were analyzed by computer software, namely Somers'd to determine the relationship between physical activity and VO2max in the elderly. Results: The results showed a significant relationship between physical activity and VO2max, resulting in p < 0.001. Conclusion: There is a significant positive relationship between physical activity and VO2max in the elderly, which represents the higher the physical activity level, the higher VO2max belongs to the elderly.
Background: Elderly is assumed as a person who has been at the age of 60 and will be some alterations, physical alteration in term ages. The physical alteration that is commonly found in the elderly is a condition of the body mass index that will not be taken care of optimally due to the degenerative factor. Purpose: This study is aimed at proving the relation of body mass index towards the cardiorespiratory endurance along with the relation of physical activities towards the cardiorespiratory endurance. Methods: The study design was cross sectional with the population of the elderly in Banjar Alas Arum in which they qualified the inclusion and exclusion criteria. From the elderly that had been selected by means of purposive sampling, it was obtained 48 samples. The BMI was measured by formula calculation. The physical activity level was measured by the International Physical Activity Questionnaire and the cardiorespiratory endurance used 6 minutes walking test. The data were analyzed by software computer which was Somers’ D test. Results: The result of this study showed that by 48 the relation of BMI towards the cardiorespiratory endurance showed that the result of p was 0.000 (p<0.05). Concerning on the relation of physical activities towards the cardiorespiratory endurance shown that the result of p was 0.000 (p<0.05). Conclusion: It can be concluded that there is a significant relation in this study.
The number of elderly people in Indonesia from year to year continues to increase. With the increasing amount of elderly, it is followed by an increase in musculoskeletal complaints. The outbreak of Covid-19 has resulted in limited and disrupted physical activity and health services for the elderly. The elderly are a group at risk of death if infected with Covid-19 because there is a degenerative process and there are co-morbidities. Community service activities carried out at the Tresna Werdha Wana Seraya Social Home in Ketalanggu Village aims to provide health services so that during the Covid-19 pandemic the quality of life for the elderly will be better. Activities carried out using blood pressure screening methods and examination of musculoskeletal complaints as well as providing physiotherapy services related to musculoskeletal complaints such as exercise and infrared therapy for free to the elderly. The participation in this community service activity was 34 people with the most aged 66-70 years. The results of this activity are the presence of the elderly, and the results of blood pressure screening and services for musculoskeletal complaints in the elderly at the Tresna Werdha Wana Seraya Social Institution during the Covid-19 pandemic.
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