Jolesz F A, Cheng-Tao X, Ruenzel P W, Henneman E
Science. 1982 Jun 11;216(4551):1243-5. doi: 10.1126/science.7200635.
In paraplegics and quadriplegics a profound paralysis of skeletal muscles occurs below the level of the spinal lesion. Unexplained in this state is the development of an overactive external urethral sphincter, which interferes with emptying of the bladder and may lead to infection of the urinary tract. Studies of cats show that the discharge of motoneurons causing this contraction has all the characteristics of a flexor reflex.
在截瘫患者和四肢瘫患者中，脊髓损伤平面以下会出现严重的骨骼肌麻痹。在这种状态下无法解释的是，尿道外括约肌会出现过度活跃，这会干扰膀胱排空，并可能导致尿路感染。对猫的研究表明，引起这种收缩的运动神经元放电具有屈肌反射的所有特征。
