triceps reflex

The triceps reflex is a kind of deep reflex of the upper extremity, which is the rapid contraction reaction of the triceps muscle caused by sudden traction. The center of reflection of the reflex arc is 6 to 7 knots in the neck and is transmitted by the phrenic nerve. The patient abducted the forearm and the elbow was half-flexed. The examiner held the forearm and used the percussion hammer to smash the triceps tendon above the olecranon. The reaction was that the triceps contracted and the elbow was straight. Relax your arms before checking. Basic Information Specialist classification: neurological examination classification: neuroelectrophysiology Applicable gender: whether men and women apply fasting: not fasting Tips: Relax your arms before checking. Normal value The normal reaction is contraction of the triceps and the elbow joint is straight. Clinical significance Abnormal results: The reflex arc of the triceps reflex is centered at the neck 6-7, and is transmitted by the phrenic nerve. Abnormal triceps reflexes suggest that the above-mentioned reflex arc is damaged. Patients who need to be examined for arm muscle weakness or muscle atrophy. Precautions Contraindications before examination: Relax your arms before checking. Requirements for inspection: It is appropriate for the inspector to use the percussion hammer to slam. Inspection process The examination method was as follows: the patient abducted the forearm and the elbow was half-flexed. The examiner held the forearm and used the percussion hammer to smash the triceps tendon above the olecranon. The reaction was that the triceps contracted and the elbow was straight. Not suitable for the crowd Inappropriate people: patients with arm disabilities or injuries. Adverse reactions and risks Nothing.