Sinistrosis is a medical term used to describe the type of joint that allows rotational movement around a central axis, such as the joint between the radius and ulna in the forearm. The word is spelled with the prefix sinistro- which means "left-hand side" and the suffix -osis which indicates a condition or process. The phonetic transcription of sinistrosis is /sɪˈnɪstroʊsɪs/, with the stress on the second syllable. The word is derived from the Latin words "sinister" meaning left and "osteosis" meaning "bone condition".
Sinistrosis is a term used in anatomy and orthopedics to describe the limited or abnormal range of motion in a joint due to a condition known as joint stiffness. It refers specifically to the condition whereby the joint's movement is restricted in a downward or downward-forward direction. This term typically applies to joints such as the shoulder or hip, where the restricted range of motion can be assessed clinically or using imaging techniques.
When sinistrosis occurs, the joint's normal flexibility and movement are hindered or impaired, resulting in difficulties or discomfort when performing actions that involve the affected joint. This restricted motion can be caused by various factors, including injury, previous surgery, muscle or ligament damage, inflammation, or degenerative diseases such as arthritis.
Treatment for sinistrosis may involve physical therapy, exercise programs, joint mobilization techniques, or surgical intervention in severe cases. The aim is to restore or improve the joint's range of motion, relieve pain, and enhance overall joint function. The specific treatment approach depends on the underlying cause and severity of the condition.
Overall, sinistrosis describes a reduced range of motion in a joint that hinder its proper functioning and can cause discomfort or pain. Timely diagnosis and appropriate management can help individuals regain joint mobility and alleviate associated symptoms.
Shell-shock.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.