WebDeep tendon (muscle stretch) reflex testing evaluates afferent nerves, synaptic connections within the spinal cord, motor nerves, and descending motor pathways. WebOct 31, 2024 · The triceps is also one of few muscles that demonstrates a distinct reflex. When the triceps tendon is sharply hit near the elbow when the arm is lifted up to shoulder height with the elbow bent, the forearm will involuntarily extend. Presence of this reflex indicates normal functioning of the C7 spinal nerve root. 3 Associated Conditions
Physiology, Deep Tendon Reflexes - PubMed
WebHyperactive deep tendon reflexes area sign of upper motor neuron lesion. They are also commonly seen in normal but tense people. Proper technique of reflexes examination and experience play a major role in eliciting and categorizing deep tendon reflexes. Clonus is the highest degree of hyperreflexia. WebFeb 6, 2024 · Definition/Introduction. Westphal’s sign refers to a decreased or absent patellar tendon reflex, also known as the knee-jerk reflex, observed on physical exam. The patellar tendon reflex refers to a kicking-like motion produced by the extension of the knee joint upon the ipsilateral stimulation of the patellar tendon. paywfcorp
Deep Tendon Reflexes: The What, Why, Where, and How of Tapping
WebTendon reflexes, also referred to as myotatic reflexes, are variably affected by lower motor neuron lesions. If the complete motor neuron innervation to a muscle is lost, the efferent … WebSep 11, 2024 · First described in 1875 by Wilhelm Heinrich Erb and Carl Friedrich Otto Westphal, the deep tendon reflex (DTR) is essential in examining and diagnosing … WebOct 10, 2024 · Grading Deep Tendon Reflexes. Reflexes are involuntary contractions of muscles in response to a stimulus and are classified as deep tendon, superficial, or pathologic (Hinkle, 2024). The most common reflexes tested are the deep tendon reflexes which include the biceps, triceps, brachioradialis, quadriceps (patellar), and Achilles (ankle). lightbeam edge