Lying on a pink yoga mat, a woman with tattoos is doing a reclined oblique twist exercise

reclined oblique twist bhujangasana fitness woman lower back belly adho mukha svanasana tattoos flexibility upperback muscles spine alignment intercostal muscles balasana exercise core exercise workouts flexing lifting hip flexors lumbar spine motions midsection legs exercise mat muscular endurance resistance sets repitition yoga mat fitness knees arms woman sneakers shoulders upraised leg physical activity calorie burn oblique muscles situps training warm up aerobic exercise calisthenics drill stretching pushup woman with tattoos