Contractures of the proximal interphalangeal joint.

Posttraumatic stiffness of proximal interphalangeal joints remains a difficult problem that severely compromises hand function. The emphasis of treatment must be on preventing the problem from developing, which begins within hours of the injury. Effective treatment involves a careful evaluation of the injury and then instituting a rational course of therapy.

"The vibrometer". An electro magnetic transducer as an attempt to examine sensibility of the hand in quantitative terms.

Large myelinated nerve fibres are quick adapting, and mediate moving touch or vibration sensation. The study of their function is valuable in sensory evaluation and re-education. An instrument is described which allows measurement in terms of decibels of the thresholds at which the sensation is felt in the skin of the hand.