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.
Variations. To activate the obliques, which lie at the sides of your torso, you can perform the side plank. Lie on your right side, stacking your hips. As you draw in your abdominal muscles, brace yourself on your forearm and raise your torso.