Judul: Pengaruh Frekuensi Latihan Aerobik Intensitas Sedang (Low Impact) terhadap Status Gizi dan Kebugaran Mahasiswi
Abstrak: Obesity is one risk of degenerative diseases that usually increase in years and is the leading cause of death in the world. Obesity can be prevented with regular physical activities, one of them is physical activity with moderate intensity aerobic exercise. The purpose of this study was to analyze the effect of the frequency of moderate-intensity aerobic exercise on nutritional status and fitness of female university students. This study used a quasi experimental design with sample of 21 students who were divided into three groups of moderate-intensity aerobic exercise intervention for eight weeks. The first group with a frequency of two times a week, the second group with a frequency of three times a week, and third group with frequency four times a week. Primary data collected include: anthropometry (BMI), subcutaneous fat (triceps, abdomen and thigh), body composition (lean body mass, soft body mass, total body water, body fat mass and body mass percent of fat), serum lipid profile (cholesterol, HDL-cholesterol, HDL-cholesterol and triglycerides), fitness (speed, strength, flexibility and endurance), consumptions (energy and protein). The results of statistical tests showed that the difference in frequency (one-way ANOVA) were significant different in vertical jump and protein intake (P <0.05), while the anthropometry, subcutaneous fat, body composition and serum lipid profiles were not significant (P>0.05).
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Judul: Analisis Hubungan antara Kecukupan Gizi dan Status Gizi dengan Tingkat Kebugaran Mahasiswa IPB
Abstrak: Economical progress in developing countries, including Indonesia, has generated many changes. There has been changes in lifestyle from active to less active as well as advances is technology. This resulted in changes in consumption which are generally use food instant. These changes can easily lead to degenerative diseases at a young age. The general objective of this study was to analyze the relationship between nutritional status and fitness levels of students with the specific objectives including 1) assess the characteristics, nutritional status and fitness level of samples; 2) analyze the relationship between the sample’s characteristics and BMI, body composition and fitness levels; 3) analyze the relationship between the adequacy level of energy - nutrient and BMI (Body Mass Index), body composition and fitness level; 4) analyze the relationship between BMI and fitness level; 5) analyze the relationship between body composition and BMI and fitness levels. The research was conducted using Cross Sectional study design with 75 students as samples. Primary data used included characteristics, nutritional status, body composition and fitness level of samples. The results showed that nutritional status of male students was not significantly different from the female students. In contrast, the percentage of body fat of men is lower than those in women. The level of fitness (flexibility and VO2max) was significantly higher in the men than of the women. BMI was significantly decreased with the level of fitness. Body fat percentage were significantly increased with BMI and body fat percentage were significantly decreased with the fitness level. The study suggested that students should improved the nutrients intake and do the exercise in order to have a good level of fitness.
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Judul: Lumut Suku Dicranaceae Khususnya Dicranoloma di Taman Nasional Gunung Leuser (Sumatra)
Abstrak: Lumut merupakan kelompok tumbuhan yang tidak memiliki berkas pembuluh. Tumbuhan ini memiliki peranan sebagai indikator kelembapan dalam ekosistem hutan. Dicranaceae merupakan kelompok lumut sejati yang umum ditemukan di hutan hujan tropis dataran rendah hingga hutan hujan pegunungan. Dicranoloma merupakan salah satu marga yang termasuk ke dalam suku Dicranaceae. Marga ini mudah dikenali di lapangan berdasarkan daunnya yang panjang dan kosta yang menyempit. Keanekaragaman jenis Dicranoloma yang telah dilaporkan di Sumatra hanya setengah dari total jenis yang diketahui berada di Malesia. Hal ini menunjukkan bahwa keanekaragaman Dicranoloma masih sedikit dilaporkan di Sumatra. Meski demikian, kawasan hutan hujan tropis di Sumatra telah berkurang karena perubahan penggunaan lahan. Taman Nasional Gunung Leuser (TNGL) merupakan kawasan konservasi yang menyediakan perlindungan bagi jenis tumbuhan termasuk lumut sejati. Oleh karena itu penelitian ini dilakukan untuk mengeksplorasi dan mencatat keanekaragaman Dicranaceae khususnya Dicranoloma TNGL dalam melengkapi daftar jenis lumut sejati Sumatra. Spesimen lumut sejati dikoleksi di sepanjang jalur pendakian di Gayo Luwes dari Rainforest Lodge Kedah hingga Puncak Angkasan di TNGL (1417-2925 mdpl). Spesimen di Herbarium Bogoriense (BO) juga diamati untuk melengkapi informasi yang dibutuhkan selama penelitian ini. Karakter morfologi pada fase gametofit dan sporofit digunakan untuk membuat kunci identifikasi dan deskripsi jenis yang tercatat di TNGL. Sebanyak 25 jenis Dicranaceae ditemukan di TNGL. Lumut tersebut tumbuh pada substrat yang bervariasi yaitu pada tanah, kayu lapuk, batang dan cabang pohon. Marga Dicranoloma memiliki variasi pada karakter gametofit yaitu perawakan (tegak atau menggantung), unting pusat pada batang (ada atau tidak), permukaan batang (rambut menggimbal banyak, rambut menggimbal sedikit, atau tidak ada rambut menggimbal), daun (bentuk, tepi ujung daun, ketebalan dinding sel alar, kehadiran papila pada abaksial kosta). Daun berbentuk membundar telur-melanset, menyegitiga, dan melanset. Tepi ujung daun halus, bergigi, dan bergigi ganda. Sel alar berdinding tipis atau berdinding tebal. Abaksial kosta dengan atau tanpa papilla. Variasi karakter sporofit yang diamati pada marga ini adalah jumlah seta tiap perikaetium, orientasi dan bentuk kapsul. Jumlah seta yaitu satu, dua atau enam tiap perikaetium. Kapsul menyilindris atau menyilindris-melengkung, tegak atau tercondong masuk. Terdapat 10 jenis Dicranaceae yang diketahui sebagai catatan baru untuk Sumatra yaitu Braunfelsia enervis, Braunfelsia edentula, Campylopus austrosubulatus, Dicranodontium asperulum, Dicranodontium uncinatum, Dicranoloma dicarpum, Dicranoloma eucamptodontoides, Dicranoloma rugifolium, Ditrichum flexicaule, Leucoloma amoene-virens, dan Dicranoloma sp. Jenis terakhir mirip dengan D. assimile tetapi berwarna kekuningan, tidak memiliki rambut menggimbal dan unting pusat. Tiga jenis catatan baru Dicranoloma menambah jumlah jenis Dicranoloma di Sumatra yang sebelumnya diketahui berjumlah tujuh jenis yaitu D. assimile, D. blumii, D. billardieri, D. braunii, D. brevisetum, D. daymannianum dan D. reflexum. Dicranoloma dicarpum sebelumnya hanya dilaporkan di New Guinea, Australasia dan Taiwan. Persebaran Dicranoloma eucamptodontoides sebelumnya mencakup Australia dan New Zealand sedangkan Dicranoloma rugifolium dilaporkan hanya dari New Guinea.
Keyword: Biodiversitas, Dicranaceae, Dicranoloma, lumut sejati, Sumatra