There are many yoga poses, and each pose has its own unique effects and suitable population. The following are some common yoga poses and their brief introductions: 1. Standing posture mountain pose: Stand with your feet together, your hands naturally droop, your shoulders relax and sink, and your spine extends upward. This posture helps improve bad postures such as round shoulders and hunchbacks, and enhances lower limb strength. Tree style: Stand with one leg, bend the other leg, and stick the soles of the feet to the inner or root of the thigh of the standing leg, and put your hands together on your chest or lift them up. This pose can strengthen leg muscles and improve body balance. Fantasy chair style: your feet are shoulder-width apart, raise your hands when inhaling, and squat when exhaling, as if sitting on a chair. This posture can relieve shoulder stiffness and strengthen the muscle strength of the legs. Eagle style: The legs are wrapped around and the arms are wrapped around to maintain balance. This posture can strengthen the ankles, relieve fatigue and pain in the legs, and improve the body's balance. Triangular: Spread your feet apart and one leg long, rotate your body and feet, raise your hands straight when inhaling, and bend your body to one side when exhaling, and touch the ground or raise your hands up. This pose can strengthen leg muscles, eliminate stiffness of hips and legs, and relieve back pain. 2. Sitting posture: sit and stand with your legs straight and close together, put your hands on both sides of your body, and your spine upright. This pose can relieve abdominal bloating, relieve stomach problems, and help eliminate waist fat. Positioning angle: sit and stand, bend your legs, face the soles of your feet, hold your feet with both hands, and bend your body forward. This pose can relieve sciatica, stretch the muscles on the inner thighs, and nourish the uterus and ovaries. Single-legged back extension: sit and stand, bend your right knee, place your right sole of your foot at the base of your left thigh, extend your spine when you inhale, bend forward downward when you exhale, hold your forefoot with both hands. This pose can relieve sciatica, protect the kidneys, and improve liver and spleen function. Sitting angle: Sitting with your legs wide open, your toes hook back, your spine extends when inhaling, bend forward and downward when exhaling, and place your hands on the front side of your body or support the ground. This pose can stretch the muscles on the back of the leg and promote blood circulation in the pelvic area. 3. Forward flexion posture: Stand forward flexion and stretching posture: Stand, spread your feet apart as hip as you hip, extend your spine upward when you inhale, straighten your back and bend forward when you exhale, support your hands or hold your calves. This pose can stretch the muscles on the back of the legs, strengthen the vitality of the abdominal organs, and soothe brain cells. Strengthen the side extension: stand, spread your legs apart and one leg long, rotate your body and feet, extend your spine when inhaling, bend your back forward when exhaling, and hold the wall or support the ground with both hands. This pose can relieve tension and stiffness of the legs and hip muscles, making the hip joints and spine more elastic. 4. Back-bend style cat and cow style: kneel, open your hands and knees as wide as your shoulders, raise your head and straighten your chest when inhale, hold your chest and arch your back when exhale. This pose can relieve back pain and flexibly maintain the spine. Cobra style: Lying prone, place your hands on both sides of your chest, extend your spine when inhaling, open the chest cavity and lift it up, and slowly straighten your arms. This posture can flex lumbar spine, relieve lumbar discomfort, and expand the chest area. 5. Inverted downward dog style: lie on prone, place your hands on both sides of your chest, hook your toes when exhale, lift your hips upward, straighten your hands, extend your back, and lift your satiety high. This pose can relieve heel stiffness and pain.