Screening for sleep apnea syndrome. A pulse oximeter with memory function is used to record oxygen saturation (SpO2) during. sleep to determine the frequency of hypoxemia events (oxygen desaturation index), as well. as the duration of desaturation.
Basic Workout: Side Plank. How to do a side plank: Lie on your right side with your legs straight. Prop yourself up with your right forearm so your body forms a diagonal line. Rest your left hand on your hip. Brace your abs and hold for 60 seconds. If you can't make it to 60 seconds, hold for 5 to 10 seconds and rest for 5; continue for 1 minute.
How to hold a plank position. Get into pushup position on the floor. Now bend your elbows 90 degrees and rest your weight on your forearms. Keep your torso straight and rigid and your body in a straight line from ears to toes with no sagging or bending.