Pattern of physical exercise practice among university students in the Kingdom of Saudi Arabia (before beginning and during college): a cross-sectional study oleh Sarah Ahmed Alkhateeb, Najwa Fahad Alkhameesi, Ghadeer Nazeh Lamfon, Shahad Zuhair Khawandanh, Lujain Khalid Kurdi, Murooj Yaseen Faran, Alya Abdullah Khoja, Lujain Muhammed Bukhari, Hadeel Rajeh Aljahdali, Nuha Abdullah Ashour, Hessan Turki Bagasi, Raghdah Adel Delli, Ohood Abdullah Khoja, Osama Yousof Safdar