#Patellar Reflex

🦵 Testing your reflexes? 🔨 Let’s talk patellar reflexes! In this reel, I’m demonstrating the different grades of the patellar (knee-jerk) reflex, a crucial part of neurological exams. 🔵Understanding these grades helps assess the health of your nervous system. From absent to exaggerated, each response tells a story. 🟢Clinical Significance: - Absent reflexes (0 or 1+) may indicate peripheral nerve damage or lower motor neuron lesions. - Normal reflex response is graded +2 - Hyperreflexia (3+ or 4+) may suggest upper motor neuron lesions or central nervous system disorders. - Knowing the grades helps with neurological assessments. #Neurology #Reflexes #PatellarReflex #MedicalEducation #Healthcare #KneeJerk #Physicalexam #chiro #chiropractor #medicine #patienteducation #reels #instareel #fyp #fy

The patellar reflex, also known as the knee-jerk reflex, is a deep tendon reflex elicited by tapping the patellar tendon just below the kneecap with a reflex hammer. This action stretches the quadriceps muscle and causes an involuntary contraction, resulting in extension of the lower leg. 🟥🟥 The reflex arc involves sensory input traveling through afferent fibers to the spinal cord at levels L2-L4, where it synapses directly with motor neurons that send efferent signals back to the quadriceps muscle. This process occurs independently of conscious brain activity. 🟥🟥 Two conditions are essential for the reflex to occur: the leg must be free to move, and higher cortical control should not interfere with the spinal reflex pathway. Thus, it represents an automatic and objective neuromuscular response. 🟥🟥 Absence or reduction of the reflex often indicates damage to the reflex arc itself, such as peripheral neuropathies, radiculopathies, or injuries to the peripheral nerves supplying the quadriceps muscle. 🟥🟥 On the other hand, exaggerated reflexes are typically observed in upper motor neuron lesions, where the loss of inhibitory signals from higher brain centers leads to heightened reflex responses. 🟥🟥 Because of these contrasting presentations, assessment of the patellar reflex provides valuable diagnostic information for distinguishing between upper and lower motor neuron pathologies. 🟥🟥 Clinically, this reflex test is more than a routine step; it is a reliable and quick tool to reveal silent neurological disorders. Changes in its intensity guide further investigations such as electrophysiological studies or neuroimaging. 🟥🟥 In modern neurological practice, the patellar reflex remains a cornerstone of bedside examination, offering both simplicity and diagnostic precision in evaluating spinal and neuromuscular integrity. . . . . . . #MedicalBreakthroughs #HealthcareHeroes #MedicalResearch #PatientCare #MedicalTechnology #HealthAndWellness #DoctorLife #NursingCare #MedicineInnovation #HealthyLiving #SurgicalSkills #MentalHealthMatters #GlobalHealth #WellnessJourney #MedicalEducation #PediatricCare #EmergencyMedicine #HealthAwareness #Holis

The knee-jerk reflex (patellar reflex) is an involuntary, monosynaptic, spinal reflex where tapping the patellar tendon stretches the quadriceps muscle, causing it to rapidly contract and extend the leg. This deep tendon reflex helps maintain posture and balance, with neural pathways involving the 𝐿2-𝐿4spinal segments. ➡️Key Details About the Knee-Jerk Reflex: •Mechanism: A tap on the tendon causes the quadriceps muscle to stretch, stimulating sensory receptors. These send a signal to the spinal cord, which sends an immediate motor response back to the muscle to contract, kicking the leg out. •Monosynaptic: It is a monosynaptic reflex because it involves only one synapse between the sensory neuron and the motor neuron, making it very fast. •Clinical Importance: It is used by clinicians to assess the health of the nervous system, including the spinal cord. •Abnormalities: =Reduced/Absent (Hyporeflexia): Known as Westphal’s sign, this can indicate peripheral nerve damage or other neurological conditions. =Exaggerated: Can indicate upper motor neuron damage. #Neuro #physio #reflex #tone #positive

The knee reflex (also called the patellar reflex) is a type of deep tendon reflex that tests the integrity of the L2–L4 spinal segments, mainly the femoral nerve. Here’s how it works: Method: • The patient sits with legs dangling freely. • The examiner taps the patellar tendon just below the kneecap with a reflex hammer. Normal response: • The quadriceps muscle contracts → the lower leg kicks forward. Clinical significance: • Absent or reduced reflex → may indicate peripheral nerve lesion, femoral nerve injury, or L2–L4 radiculopathy. • Exaggerated reflex → suggests upper motor neuron lesion above L2–L4. #kneereflex #patellareflex #deeptendonreflex #dermatomes #myotomes #assessment #unl #l2 #l4 #physiotherapy #physiotherapists #pakistanphysios #indianphysios #drnazishmushtaq #insta #reels #viral #dpt #ms #lahore

Hyperreflexia an exaggerated deep tendon reflex (DTR) response, specifically of the patellar reflex (knee-jerk reflex)‼️✨ 🌱Possible Causes: 1️⃣ Upper Motor Neuron (UMN) Lesion: • Hyperreflexia occurs due to a loss of descending inhibitory control from the brain. • Common causes: Stroke, multiple sclerosis (MS), spinal cord injury, or tumors affecting the corticospinal tract. 2️⃣ Hyperthyroidism: • Increased sympathetic activity can lead to brisk reflexes. 3️⃣ Anxiety or Hyperexcitability: • Can temporarily exaggerate reflexes. 🏥Clinical Significance: • If only one leg shows hyperreflexia while the other is normal, it may indicate a unilateral UMN lesion (e.g., stroke or spinal cord compression on one side). • Further neurological examination (Babinski sign, clonus, muscle tone) and imaging (MRI/CT) are needed for diagnosis. ғᴏʟʟᴏᴡ - @aiims.nursing.officers ❦ ɪɴsᴛᴀɢʀᴀᴍ - @aiims.nursing.officers ❦ Yᴏᴜ ᴛᴜʙᴇ - Aman Kumar Nursing ❦ Tᴇʟᴇɢʀᴀᴍ - Aman Kumar Nursing 🅽🅾️🆃🅴🆂 🗒️ || 🆃🅴🆂🆃 🆂🅴🆁🅸🅴🆂 || 🅲🅻🅰️🆂🆂🅴🆂 ☞ ʙsᴄ ɴᴜʀsɪɴɢ | ɢɴᴍ | ᴀɴᴍ ☞ ɴᴏʀᴄᴇᴛ ᴀɪɪᴍs || ᴀʟʟ ɴᴜʀsɪɴɢ ᴇxᴀᴍ ☞ ᴀʟʟ ᴇɴᴛʀᴀɴᴄᴇ ᴇxᴀᴍ ☞ ᴍsᴄ ɴᴜʀsɪɴɢ Hᴀsʜᴛᴀɢs = #aknursing #aiimsnursingofficers #amankumarnursing #nursing #bscnursing #mscnursing #aiims #norcet #delhiaiims #reels #instagram #trending #nursingviral #mbbs #neetpg #medical #medico #nursingcollege #norcet2024 #neet2024 #nursingofficer #nursingdoctor #hospitallife

The patellar reflex test, also known as the knee-jerk reflex, evaluates the L2–L4 spinal nerves. By tapping the patellar tendon just below the kneecap with a reflex hammer, the lower leg extends automatically. This quick neurological test helps assess nerve function, spinal cord health, and the integrity of the reflex pathway. #patellarreflextest #colchesterphysio #neuroassessment #vigourplusclinic #sportsclinic

Inverted Patellar Reflex – Rare Localizing Neurological Sign Tapping the patellar tendon causes knee flexion instead of extension. Suggests L2–L4 spinal/root lesion or myelopathy. #Neurology #Reflexes #Spine

🔥PATELLAR REDUCTION TECHNIQUE 🔥 . 🤓Patella dislocation refers to when the kneecap is completely displaced out of its normal alignment. The most common direction for a patella to dislocate is outwardly (laterally). Dislocation of the patella is primarily caused by a traumatic incident (often twisting or a direct blow) to the knee. ☝️However, there are a variety of factors which can predispose you to dislocate your patella. Patella dislocation is most common in athletic teenagers. Pivoting your femur (thigh bone) internally on a planted foot while bending your knee if the most common dislocating movement. . 🔸The relocation technique: 1. Explain the procedure to the patient 2. Keep him as relaxed as possible 3. Place your thumb laterally to the patellar 4. Slowly extend the knee while you gently apply force to the patella medially! TIP: sometimes the patellar relocates just with knee extension and no force is required ! . Disclaimer: This post is for informational purposes! do not perform this alone . Seek medical advice from a health professional around your area !! . Video credit: @thegurneyroom 😊Hope you enjoyed this post for more stay tuned by following @rarephysio 👍🏻

This simple test, called the patellar reflex test, helps assess the health of your nervous system. The tap stretches your tendon, sending a signal to your spinal cord, which then sends a message back to your leg muscles to kick. It’s a quick way to ensure everything is connected and working properly! . . . #docregen #patellartest #reflexology #doctor #medical #healthcare #medicine #insta #reels #neurology #neurologist #docregen #prp #fyp #discover

Testing reflexes 🧠⚡️ Today I’m assessing a client’s neurological reflexes: • Biceps reflex • Triceps reflex • Brachioradialis reflex • Abdominal reflex • Patellar reflex • Babinski reflex A reflex is an automatic, involuntary response to a stimulus. It helps us quickly assess how well the nervous system is communicating with the muscles. ✔️ A normal response usually means the pathway between the nerve and muscle is intact and functioning well ⚠️ An exaggerated, reduced, or absent response can indicate possible nerve dysfunction, spinal cord involvement, or other neurological issues, and may need further investigation🚩 It’s a simple but powerful way to check what’s happening beneath the surface⚡️🧠 #nervetesting #reflextest #reflexes #sportstherapist #neurology

Many owners are surprised… That quick kick you see? It’s a reflex (patellar reflex) that most mammals have Dogs, cats, humans- same spinal reflex, same nerve-to-spinal cord loop. A simple tap gives us real-time insight into neurologic function Note 🐢: The sea turtle is being shown… reptiles don’t have a well-established or reliably tested patellar reflex

The patellar reflex is a deep tendon response that is mediated by spinal nerves at levels L2, L3, and L4 in the spinal cord, primarily in the root L4. The patellar reflex test is performed to determine the integrity of the neurological function. It is accomplished by hitting the patellar tendon below the kneecap with a test hammer.