muscletesting

Muscle testing, also known as manual muscle testing (MMT), is a procedure used by clinicians to evaluate the strength of individual muscles or muscle groups. It involves applying resistance against a muscle's contraction to assess its capacity to move a limb or body part against gravity and the examiner's force. The assessment typically follows a standardized grading system, often from 0 to 5. A grade of 0 indicates no contraction, while a grade of 5 signifies normal strength, capable of overcoming maximal resistance. Intermediate grades represent varying degrees of weakness, such as the ability to move against gravity but not resistance, or movement only in a gravity-eliminated position.

This technique is a fundamental part of a physical examination, particularly in fields like physical therapy, occupational therapy, and sports medicine. It helps in diagnosing neuromuscular conditions, assessing the severity of injuries, tracking recovery progress, and guiding treatment interventions. Muscle testing can reveal muscle imbalances, identify weak muscles contributing to functional deficits, and inform decisions about rehabilitation programs. While widely used, the effectiveness and objectivity of muscle testing can be influenced by the examiner's skill, experience, and the patient's ability to follow instructions.