Sweater body-building method: When knitting, the fingers, wrists, arms and shoulders of both hands keep moving, so that the muscles and joints of upper limbs are exercised, and they improve local blood circulation in regular and coordinated exercise.

People who have been knitting for a long time have well-developed upper limb muscles and obviously increased joint flexibility. As long as we insist on proper knitting activities every day, it has obvious effects on neurasthenia, scapulohumeral periarthritis, sequela of upper limb fracture, finger numbness, muscle atrophy and other diseases.