5 Erb-Duchenne’s Palsy Injury to C5-6 at Erb’s point Muscles paralysed – Deltoid,biceps, brachialis,barachioradialisPosture – waiter’s tip deformityMechanism of injury : fall on shoulder or excessive pulling of head of new born during delivery
10 wrist-dropThe characteristic clinical sign of radial nerve injury is wrist-drop.
11 Fracture of the Humeral Shaft A midhumeral fracture may injure the radial nerve in the radial groove in the humeral shaft.Fracture is not likely to paralyze the triceps because of the high origin of the nerves to two of its three heads.
12 Main Effect: Radial Nerve Injury in Axilla: Mechanism: SATURDAY NIGHT PALSYRadial Nerve Injury in Axilla:Mechanism:Crutches pressing in axillaSaturday night palsy!Main Effect:WRIST DROP
22 Humerus Fractures Fracture of Surgical Neck of Humerus Damage to Axillary nerve and Post. Circumflex humoral ArteryFracture of Mid Shaft HumerusDamage to Radial Nerve and Deep artery of ArmFracture of Medial EpicondyleDamage to Ulnar NervestudyFracture of Supracondylar part:Damage to median nerve and Brachial artery
23 Overall : Dorsal Displacement of Wrist and Hand Fall on Out stretched HandOverall : Dorsal Displacement of Wrist and HandSpecifically: Dorsal and Proximal Displacement of Distal segment of fractured radiusThis is more common in older person
33 Nerve Injuries Injury to femoral nerve Injury to obturator nerve Injury to superior gluteal nerveInjury to inferior gluteal nerveInjury to sciatic nerveInjury to tibial nerveInjury to common fibular nerveInjury to deep fibular nerveInjury to superficial fibular nerve
34 Injury to femoral nerve Weakness of hip flexionIliopsoas, rectus femoris, and sartoriusKnee extensionQuadriceps femorisLoss of sensation over anterior thigh and medial leg and foot
35 Injury to superior gluteal nerve Loss of thigh abduction & medial rotationGluteus medius, gluteus minimus, and tensor fasciae lataePositive Trendelenburg sign
36 Injury to inferior gluteal nerve Weakened hip extensionGluteus maximusMost noticeable when climbing stairs or standing from a seated position
40 Dislocation of hip joint Posterior dislocationPosterior tearing of joint capsuleDislocated femoral head lies on posterior surface of ischiumOccurs in head-on collisionDamage to Ischiofemoral ligamentComplicationsSciatic nerve may damage.
46 Ankle InjuriesThe lateral ligament is injured because it is much weaker than the medial ligament.The anterior talofibular ligament part of the lateral ligament is most vulnerable and most commonly torn during ankle sprains.
49 Case 3During a football game, a player sustains a powerful blow to the lateral side of his weight-bearing leg. He experiences excruciating knee pain and is unable to walk. The three structures most likely to be injured are theAnterior cruciate and lateral collateral ligaments and the lateral meniscusAnterior cruciate and medial collateral ligaments and the medial meniscusPosterior cruciate and lateral collateral ligaments and the lateral meniscusPosterior cruciate and medial collateral ligaments and the lateral meniscusPosterior cruciate and medial collateral ligaments and medial meniscus
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