Riset dasar kesehatan (2007) menyatakan bahwa 48,2% penduduk Indonesia yang berusia lebih dari 10 tahun kurang melakukan aktivitas fisik dengan kelompok perempuan lebih tinggi daripada laki-laki. Fakultas Kedokteran Universitas Muhammadiyah Palembang menggunakan program student centered untuk mahasiswanya yang menyebabkan kesibukan belajar yang sangat padat sehingga mahasiswa kurang melakukan aktivitas fisik. Penelitian ini bertujuan mengetahui pengaruh latihan interval intensitas tinggi terhadap denyut nadi mahasiswa Fakultas Kedokteran Universitas Muhammadiyah Palembang selama periode November 2015-Februari 2016. Latihan interval intensitas tinggi ialah bentuk latihan kombinasi latihan intensitas tinggi dengan intensitas sedang atau rendah dalam selang waktu tertentu dengan efek sama dengan latihan intensitas sedang, namun tidak memerlukan waktu yang banyak. Data didapatkan dari pengukuran denyut nadi secara langsung sebelum dan setelah melakukan latihan interval intensitas tinggi pada 60 mahasiswa Fakultas Kedokteran Universitas Muhammadiyah Palembang yang memenuhi kriteria inklusi. Data diolah menggunakan uji T-dependent dan uji normalitas Shapirowilk. Didapatkan denyut nadi subjek meningkat setelah latihan interval intensitas tinggi. Denyut nadi rata-rata sebelum latihan 85,33±10,993 dan setelah latihan 152±8,975. Selanjutnya, dengan uji T-dependent didapatkan p=0,000. Simpulan, terdapat pengaruh latihan interval intensitas tinggi terhadap denyut nadi pada mahasiswa Fakultas
Mining process causes contamination of Aluminium in drinking water consumed by Bangka Island residents. The study was conducted to identify the influence of high aluminium water consumption on serum aluminium level, serum brain derived neurotrophic factor (BDNF), serum ferritin, blood haemoglobin (Hb), and urine albumin to creatinine ratio (UACR). Men aged 26-45 years old were allocated into two groups. The first group was subjects who have consumed well water for at least 5 years. Aluminium levels in well water were sampled from seven wells and the average levels were higher than threshold. The control group was subjects who have consumed tap water for at least 5 years. The average level of aluminium in the tap water from seven houses was still within the normal limit. Serum aluminium levels of men who consumed high aluminium containing water were significantly higher than control group. Men who consumed high aluminium water had significantly lower levels of BDNF and ferritin, and were also associated with lower Hb levels. Both groups had no difference in UACR and were still within normal limits. High aluminium water consumption may have an impact to decrease the indicators of cognitive and blood functions, but has no effect on renal functions.
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