1. butterfly posture and skills:
A. Body posture:
Lying flat on the water: The starting position of butterfly stroke is lying flat on the water, with the body in a horizontal state and the head facing forward.
Body balance: the whole body should maintain a stable balance, the abdomen should be tightened, and the crotch should sink slightly to keep level.
Legs: Legs close together, toes of legs close together, and start underwater.
B. arm and leg movements:
Arm stroke: both arms are straight forward at the same time, and then unfolded into a "Y" shape with the big arm horizontally unfolded. When the arm is unfolded, the arm crosses the water surface, forming a huge water current to push the body forward.
Leg frog pedal: when the arm is extended forward, the leg moves frog pedal. The legs suddenly gather inward, and then quickly spread outward, producing propulsion.
Breathing: while paddling, raise your head and open your mouth to inhale. Dip your head into the water and exhale when your legs are pushed apart.
C. shoulder and body rotation:
Shoulder turning: In the process of arm paddling, the shoulders turn slightly with the arm paddling to help push the body forward.
Waist and hips: slightly twisting the waist and hips when paddling and kicking will help improve the propulsion efficiency.
D. exercises and precautions:
Skill practice: Pay attention to the coordination of the body and the consistency of movements when practicing butterfly stroke, which can gradually increase the practice time and intensity.
Pay attention to breathing: the breathing rhythm of butterfly stroke is very important. It is necessary to control the timing of breathing at all times to ensure that breathing is full and natural.
2. Common mistakes and correction methods:
Inconsistent arm movements: ensure that the arms are coordinated during practice, and do not appear staggered or asymmetrical.
Poor breathing: Breathing should be coordinated with movements, and breathing gaps should be arranged reasonably to avoid poor breathing.
3. Safety tips:
When learning and practicing butterfly, especially beginners, it is recommended to have a coach or guardian to ensure safety.
Butterfly stroke is a swimming stroke with high technical requirements, which requires practitioners to master the correct movements and breathing rhythm. Through constant practice and gradual improvement, you will gradually master the butterfly technique, improve the efficiency of swimming and the beauty of swimming posture.