Clinical Anatomy Blog

• Radial Nerve Palsy vs Posterior Interosseous Syndrome: How to Tell the Difference - Learn the key clinical differences between radial nerve palsy and posterior interosseous syndrome, including wrist drop patterns, sensory findings, and examination techniques.
• L5 Radiculopathy vs Common Peroneal Nerve Palsy: Clinical Differentiation - Foot drop can be caused by L5 radiculopathy or common peroneal nerve palsy. Learn the clinical examination findings that distinguish these two conditions.
• Carpal Tunnel vs Cubital Tunnel vs Guyon's Canal: Ulnar vs Median Nerve - Compare carpal tunnel syndrome, cubital tunnel syndrome, and Guyon's canal syndrome. Understand the sensory and motor differences between median and ulnar nerve compression.
• Hip Pathology Referred to Knee: Why Kids with Hip Problems Complain of Knee Pain - Learn why children with hip pathology like SCFE or Perthes disease present with knee pain. Understand the obturator nerve referral pattern and avoid this common clinical miss.
• Rotator Cuff Tear vs Labral Tear vs Impingement: Shoulder Pain Differential - Differentiate rotator cuff tears, labral tears, and shoulder impingement using clinical examination. Learn the key tests and pain patterns for each condition.
• ACL vs PCL vs Meniscus Tear: How to Tell from Physical Exam - Learn to differentiate ACL tears, PCL tears, and meniscal injuries through physical examination. Key tests include Lachman's, posterior drawer, and McMurray's.
• Cervical Radiculopathy vs Thoracic Outlet Syndrome vs Carpal Tunnel - Differentiate cervical radiculopathy, thoracic outlet syndrome, and carpal tunnel syndrome. Learn the distinct sensory patterns, provocative tests, and red flags.
• Plantar Fasciitis vs Tarsal Tunnel vs S1 Radiculopathy: Heel Pain Causes - Differentiate plantar fasciitis from tarsal tunnel syndrome and S1 radiculopathy. Learn the pain patterns, examination findings, and key distinguishing features.
• Gallbladder Pain vs Cardiac Pain: Right Shoulder Pain Referred Patterns - Understand why gallbladder and cardiac pathology can refer pain to the shoulder. Learn the phrenic and vagal nerve referral pathways and clinical red flags.
• Cauda Equina vs Conus Medullaris Syndrome: Emergency Differentiation - Learn to differentiate cauda equina syndrome from conus medullaris syndrome. Understand the onset patterns, motor findings, and bladder dysfunction differences.
• Upper Crossed Syndrome vs Cervical Radiculopathy: Neck Pain and Posture - Differentiate upper crossed syndrome from cervical radiculopathy. Learn how postural dysfunction mimics nerve root compression and the key examination findings.
• Trendelenburg Gait: Gluteus Medius Weakness vs Hip Pathology - Understand the Trendelenburg sign and gait pattern. Learn to differentiate gluteus medius weakness from hip joint pathology as causes of pelvic drop.
• Anterior vs Posterior Ankle Impingement: Diagnosis and Differentiation - Learn the differences between anterior and posterior ankle impingement. Understand the mechanisms, examination findings, and sport-specific associations.
• Scapular Winging: Long Thoracic vs Spinal Accessory Nerve - Differentiate medial scapular winging (long thoracic nerve/serratus anterior) from lateral winging (spinal accessory nerve/trapezius). Learn the examination maneuvers.
• Compartment Syndrome vs DVT vs Muscle Strain: Calf Pain Red Flags - Differentiate acute compartment syndrome, deep vein thrombosis, and muscle strain. Learn the red flags for each condition and when calf pain is an emergency.
• Headache Types: Cervicogenic vs Tension vs Migraine vs Temporal Arteritis - Differentiate cervicogenic headaches, tension-type headaches, migraines, and temporal arteritis. Learn the key features, red flags, and clinical reasoning for each type.
• Lumbar Facet vs Disc Pain: How to Differentiate Mechanically - Learn the mechanical differences between lumbar facet joint pain and discogenic pain. Understand the flexion vs extension loading patterns and clinical implications.
• Piriformis Syndrome vs True Sciatica: Clinical Reasoning - Differentiate piriformis syndrome from lumbar disc-related sciatica. Learn the FAIR test, seated piriformis stretch, and the clinical features that separate these conditions.
• Elbow Pain: Lateral Epicondylitis vs Radial Tunnel vs Cervical Radiculopathy - Differentiate lateral epicondylitis (tennis elbow) from radial tunnel syndrome and cervical radiculopathy. Learn the distinct pain locations and provocative tests.
• Dizziness: BPPV vs Vestibular Neuritis vs Vertebrobasilar Insufficiency - Differentiate BPPV, vestibular neuritis, and vertebrobasilar insufficiency. Learn the HINTS exam, Dix-Hallpike test, and red flags for central causes of vertigo.
• Brachial Plexus Birth Injuries: Erb's vs. Klumpke's - Understand the anatomical distinctions between Erb's palsy and Klumpke's palsy, common presentations, and clinical implications in neonates.
• Femoral vs. Obturator Nerve Lesions: Groin Pain & Dysfunction - Differentiate femoral and obturator nerve lesions by understanding their anatomical courses, motor and sensory functions, and clinical presentations.
• De Quervain's vs. Intersection Syndrome: Forearm Pain - Distinguish between De Quervain's tenosynovitis and intersection syndrome, two causes of radial-sided wrist and forearm pain.
• Sacroiliac Joint vs. Lumbar Radiculopathy: Back Pain - Differentiate sacroiliac joint dysfunction from lumbar radiculopathy, focusing on pain patterns, physical exam findings, and clinical pearls.
• Thoracic Disc vs. Intercostal Neuralgia: Chest Pain - Distinguish between thoracic disc herniation and intercostal neuralgia, two causes of thoracic back and chest wall pain with distinct etiologies.
• Pronator Teres Syndrome vs Anterior Interosseous Syndrome: Proximal Median Nerve Lesions - Distinguish pronator teres syndrome from anterior interosseous nerve syndrome. Learn the OK sign test, sensory patterns, and how to differentiate these from carpal tunnel.
• Adhesive Capsulitis vs Rotator Cuff Tear: How to Diagnose Frozen Shoulder - Differentiate adhesive capsulitis (frozen shoulder) from rotator cuff tears using passive range of motion. Learn the three phases of frozen shoulder and key clinical tests.
• Greater Trochanteric Pain Syndrome vs Hip Osteoarthritis vs Lumbar Referral - Lateral hip pain has three common causes: greater trochanteric pain syndrome, hip osteoarthritis, and lumbar referral. Learn the clinical exam findings that separate them.
• Morton's Neuroma vs Metatarsalgia vs Metatarsal Stress Fracture: Forefoot Pain Diagnosis - Differentiate Morton's neuroma, metatarsalgia, and metatarsal stress fracture using the Mulder click, palpation, and tuning fork tests. A complete forefoot pain workup.
• Cervical Myelopathy vs Cervical Radiculopathy: Upper vs Lower Motor Neuron Signs - Cervical myelopathy and radiculopathy can both present with neck and arm symptoms. Learn how to distinguish UMN from LMN signs and identify Hoffmann's, Lhermitte's, and clonus.
• Achilles Tendon Rupture: Thompson Test, Anatomy, and the Missed Diagnosis - Achilles tendon ruptures are missed in up to 25% of cases. Learn the Thompson test, the anatomy of the tendon's blood supply, and how to differentiate from a calf strain.
• USMLE Step 1 Anatomy: The 10 Highest-Yield Clinical Correlates - A focused breakdown of the anatomy topics that show up repeatedly on USMLE Step 1 - nerve lesions, vascular territories, embryology traps, and the clinical reasoning behind each.
• PLAB 2 Clinical Anatomy: Reasoning Patterns That Win Stations - PLAB 2 stations reward structured clinical reasoning. Learn the anatomy-driven thinking patterns that distinguish strong candidates in MSK, neurology, and acute presentations.
• LEK / LME Anatomy Prep: A Clinical-Reasoning Approach for Polish Medical Graduates - How Polish medical graduates can prepare for the LEK and LME anatomy components using clinical reasoning rather than rote recall. Practical strategy and high-yield topics.
• NMC CBT for Internationally Educated Nurses: Anatomy & Clinical Reasoning You Can't Skip - What the NMC CBT really tests in anatomy and clinical reasoning for internationally educated nurses, and how to prepare for the scenarios that decide pass marks.
• Spaced Clinical Cases vs Flashcards: What Actually Works for Long-Term Board Exam Retention - Flashcards build recognition; clinical cases build reasoning. A practical guide to why spaced case practice beats Anki for anatomy and physiology on USMLE, PLAB, LEK, and NMC exams.