作者的研究目的是了解颈部等长伸展运动对心血管和交感神经的影响,并将其与相匹配强度的等长手握紧动作引起的变化作比较。健康志愿者9人,男6人,女3人,年龄20-25岁。受试者俯卧,双肩平齐床沿,头和颈部悬空,未测试时将头支撑。受 The aim of the study was to understand the effects of long equidistant stretching exercises on cardiovascular and sympathetic nerves and to compare them with changes caused by equal-length hand clenching at matching strength. 9 healthy volunteers, 6 males and 3 females, aged 20-25 years old. Subjects were prone, shoulders were level along the bed, heads and neck were vacant, and head support was not tested. By