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Physical ExaminationPhysical ExaminationLower ExtremityLower Extremity
Sohail Bajammal, MBChB, MSc, FRCS(C)Sohail Bajammal, MBChB, MSc, FRCS(C)
November 4, 2008November 4, 2008
ObjectivesObjectives
• Fundamentals of DiagnosisFundamentals of Diagnosis
• Principles of Physical ExaminationPrinciples of Physical Examination
• Principles of MSK Physical ExaminationPrinciples of MSK Physical Examination
• MSK Physical Examination Approach:MSK Physical Examination Approach:– HipHip– KneeKnee– Foot & AnkleFoot & Ankle
Fundamentals of DiagnosisFundamentals of Diagnosis
• Have a list of D/D as you read the CCHave a list of D/D as you read the CC– VITAMIN C&DVITAMIN C&D
• Re-visit your D/DRe-visit your D/D
• Narrow your list by the end of HistoryNarrow your list by the end of History
• Further narrow by the end of PhysicalFurther narrow by the end of Physical
• Confirm by further investigationsConfirm by further investigations
PPrinciples of Physical Examrinciples of Physical Exam
• PermissionPermission
• Pre-amblePre-amble
• PrivacyPrivacy
• PolitenessPoliteness
• PassionatePassionate
• PacingPacing
Principles of MSK ExamPrinciples of MSK Exam
• Do not forget the patient Do not forget the patient – General exam, Vital signsGeneral exam, Vital signs
• Two sides: right and leftTwo sides: right and left
• Two joints: above and belowTwo joints: above and below
• Two surfaces: front and backTwo surfaces: front and back
Approach to MSK ExamApproach to MSK ExamAny Lower Extremity JointAny Lower Extremity Joint
• General & GaitGeneral & Gait
• Look, Feel & MoveLook, Feel & Move
• Special TestsSpecial Tests
• Neurovascular ExaminationNeurovascular Examination
GeneralGeneral
• Well or ill-lookingWell or ill-looking
• CachecticCachectic
• Vital signs: febrile, hemodynamic Vital signs: febrile, hemodynamic stabilitystability
GaitGait
• Antalgic gait: painful, short stance phaseAntalgic gait: painful, short stance phase• Trendelenburg (abductor lurch) gait: weak Trendelenburg (abductor lurch) gait: weak
abductorsabductors• Waddling gait: bilateral weak abductors, Waddling gait: bilateral weak abductors,
bilateral DDHbilateral DDH• Steppage gait: foot dropSteppage gait: foot drop• Toe-walkingToe-walking• In-toeing vs out-toeingIn-toeing vs out-toeing• Others: ataxic, scissoring, etc.Others: ataxic, scissoring, etc.
HipHip
Hip - LookHip - Look• Principles:Principles:
– Enough exposureEnough exposure– Compare both sidesCompare both sides– Examine joint above (Examine joint above (backback) and joint below) and joint below
• Look for:Look for:– Leg length discrepancy: blocks vs. tapeLeg length discrepancy: blocks vs. tape– Alignment & Asymmetry (wasting)Alignment & Asymmetry (wasting)– Swelling, Skin changes (erythema), ScarsSwelling, Skin changes (erythema), Scars
Hip - FeelHip - Feel• Principles:Principles:
– Start from non-painful areaStart from non-painful area– Feel for warmth, swelling, tendernessFeel for warmth, swelling, tenderness
• Sites:Sites:– From the front: ASIS, pubic tubercleFrom the front: ASIS, pubic tubercle– From the side: GT, iliotibial bandFrom the side: GT, iliotibial band– From the back: SI joint, PSISFrom the back: SI joint, PSIS
Examination of a MassExamination of a Mass “ “6 6 SStudents and 3 tudents and 3 TTeachers go for eachers go for CAMPFIRE”CAMPFIRE”
• SSite, ite, SSize, ize, SShape, hape, SSurface, urface, SSkin, kin, SScarcar• TTenderness, enderness, TTemperature, emperature, TTransilluminationransillumination• CConsistencyonsistency• AAttachmentttachment• MMobilityobility• PPulsationulsation• FFluctuationluctuation• IIrreducibilityrreducibility• RRegional lymph nodesegional lymph nodes• EEdgedge
Hip - MoveHip - Move• Principles:Principles:
– Active then passiveActive then passive– Feel for crepitus, excessive movement Feel for crepitus, excessive movement
(laxity), limited movement (contracture), (laxity), limited movement (contracture), painful limitationpainful limitation
– ? Do the motor neurological exam now? Do the motor neurological exam now
• Movements:Movements:– Flexion & ExtensionFlexion & Extension– Abduction & AdductionAbduction & Adduction– IR & ER in flexion & extensionIR & ER in flexion & extension
Hip – Move (Motor)Hip – Move (Motor)MovementMovement Muscle(s)Muscle(s) InnervationInnervation
FlexionFlexion IliopsoasIliopsoas Lumbar plexus & Lumbar plexus & femoral nervefemoral nerve
ExtensionExtension Gluteus maximusGluteus maximus Inferior glutealInferior gluteal
AbductionAbduction Gluteus medius & Gluteus medius & minimusminimus Superior glutealSuperior gluteal
AdductionAdduction Adductor magnus, Adductor magnus, longus and brevislongus and brevis Mainly obturatorMainly obturator
Hip – Special TestsHip – Special Tests
• Trendelenburg test: for abductor strengthTrendelenburg test: for abductor strength
• Thomas test: for hip flexion contractureThomas test: for hip flexion contracture
• Ober’s test: for iliotibial band tightnessOber’s test: for iliotibial band tightness
• Patrick’s (FABER) test: for SI jointPatrick’s (FABER) test: for SI joint
• Labral tear testLabral tear test
KneeKnee
Knee - LookKnee - Look• Principles:Principles:
– Enough exposureEnough exposure– Compare both sidesCompare both sides– Examine joint above (Examine joint above (hiphip) and joint below) and joint below
• Look for:Look for:– Leg length discrepancyLeg length discrepancy– Alignment (varus, valgus, Q-angle)Alignment (varus, valgus, Q-angle)– Asymmetry (wasting)Asymmetry (wasting)– Swelling, Skin changes (erythema), ScarsSwelling, Skin changes (erythema), Scars
Knee - FeelKnee - Feel• Principles:Principles:
– Start from non-painful areaStart from non-painful area– Feel for warmth, swelling, effusion, tendernessFeel for warmth, swelling, effusion, tenderness– Do not forget the back of the kneeDo not forget the back of the knee
• Sites:Sites:– Patella: margins and surfaces, quadriceps & Patella: margins and surfaces, quadriceps &
patellar tendon & its insertion, bursaepatellar tendon & its insertion, bursae– Ligaments, tendons, & ITB attachmentLigaments, tendons, & ITB attachment– Joint line: medial & lateralJoint line: medial & lateral– Effusion: milking test, balloon test, ballotmentEffusion: milking test, balloon test, ballotment
Knee - MoveKnee - Move• Principles:Principles:
– Active then passiveActive then passive– Feel for crepitus, excessive movement Feel for crepitus, excessive movement
(laxity), limited movement (contracture, locked (laxity), limited movement (contracture, locked knee), painful limitationknee), painful limitation
– ? Do the motor neurological exam now? Do the motor neurological exam now
• Movements:Movements:– Extension: quadriceps by femoral nerveExtension: quadriceps by femoral nerve– Flexion: hamstrings by sciatic nerveFlexion: hamstrings by sciatic nerve
Knee – Special TestsKnee – Special Tests• Patellar tests:Patellar tests:
– Patellar apprehension testPatellar apprehension test– Patellofemoral grind testPatellofemoral grind test
• Meniscal tests:Meniscal tests:– McMurray testMcMurray test– Apley’s testApley’s test
• Ligaments tests: ACL, PCL, MCL, LCL, Ligaments tests: ACL, PCL, MCL, LCL, PLCPLC
Knee – Ligaments Special TestsKnee – Ligaments Special Tests
• ACL: Lachman’s, Anterior drawer, Pivot ACL: Lachman’s, Anterior drawer, Pivot shiftshift
• PCL: posterior sag sign, Posterior drawerPCL: posterior sag sign, Posterior drawer
• MCL: valgus stress in neutral & 30 flexionMCL: valgus stress in neutral & 30 flexion
• LCL: varus stress in neutral & 30 flexionLCL: varus stress in neutral & 30 flexion
• PLC: dial testPLC: dial test
Foot & AnkleFoot & Ankle
Foot & Ankle - LookFoot & Ankle - Look• Principles:Principles:
– Enough exposure, Compare both sidesEnough exposure, Compare both sides– Examine joint above & belowExamine joint above & below
• In hindfoot, midfoot & forefoot, look for:In hindfoot, midfoot & forefoot, look for:– Leg length discrepancyLeg length discrepancy– Alignment:Alignment:
• Ankle: valgus or varus, Ankle: valgus or varus, • Foot: pes planus or cavus, Foot: pes planus or cavus, • Big toe: hallux valgus or varus Big toe: hallux valgus or varus • Toes: claw, hammer, malletToes: claw, hammer, mallet
– Asymmetry (wasting)Asymmetry (wasting)– Swelling, Skin changes (erythema), ScarsSwelling, Skin changes (erythema), Scars
ToesToes Claw Toes
Hammer Toe
Mallet Toe
Foot & Ankle - FeelFoot & Ankle - Feel• Principles:Principles:
– Start from non-painful areaStart from non-painful area– Feel for warmth, swelling, effusion, tendernessFeel for warmth, swelling, effusion, tenderness
• Sites:Sites:– Bones: malleoli, bones of the hindfoot, midfoot Bones: malleoli, bones of the hindfoot, midfoot
and forefootand forefoot– Ankle jointAnkle joint– Tendons: Achilles, posterior tibial, peronealTendons: Achilles, posterior tibial, peroneal– Interdigital neuromaInterdigital neuroma
Foot & Ankle - MoveFoot & Ankle - Move• Principles:Principles:
– Active then passiveActive then passive– Feel for crepitus, excessive movement (laxity), limited Feel for crepitus, excessive movement (laxity), limited
movement (contracture), painful limitationmovement (contracture), painful limitation– ? Do the motor neurological exam now? Do the motor neurological exam now
• Movements:Movements:– Ankle: dorsiflexion & plantarflexionAnkle: dorsiflexion & plantarflexion– Subtalar joint: inversion & eversionSubtalar joint: inversion & eversion– Forefoot: abduction & adductionForefoot: abduction & adduction– Toes: extension & flexionToes: extension & flexion
Foot & Ankle – Move (Motor)Foot & Ankle – Move (Motor)
MovementMovement Muscle(s)Muscle(s) InnervationInnervation
Ankle DFAnkle DF Tib AntTib Ant Deep PeronealDeep Peroneal
Ankle PFAnkle PF GastrocnemiusGastrocnemius TibialTibial
InversionInversion Tib Post mainlyTib Post mainly TibialTibial
EversionEversion Peroneus longus & Peroneus longus & brevisbrevis
Superficial Superficial PeronealPeroneal
Foot & Ankle – Special TestsFoot & Ankle – Special Tests
• Tendons:Tendons:– Achilles Tendon: Thompson testAchilles Tendon: Thompson test– Posterior Tibial Tendon: Heel raise testPosterior Tibial Tendon: Heel raise test
• Instability:Instability:– Anterior drawer testAnterior drawer test– Inversion stress testInversion stress test– Peroneal tendon instability testPeroneal tendon instability test
• Morton’s test: Mulder’s clickMorton’s test: Mulder’s click
Neurovascular Neurovascular ExaminationExamination
Neurological ExaminationNeurological Examination
• If suspecting peripheral pathology, test If suspecting peripheral pathology, test motor & sensory for all peripheral nervesmotor & sensory for all peripheral nerves
• If suspecting spine pathology:If suspecting spine pathology:– Dermatome sensation, myotome power Dermatome sensation, myotome power
testing & deep tendon reflexestesting & deep tendon reflexes
Peripheral Nerves of Lower ExtremitiesPeripheral Nerves of Lower Extremities
NerveNerve MotorMotor SensorySensory
FemoralFemoral Knee ExtensionKnee Extension Saphenous nSaphenous n
ObturatorObturator Hip AdductionHip Adduction Medial aspect of thighMedial aspect of thigh
LFCNLFCN -- Lateral aspect of thighLateral aspect of thigh
SciaticSciatic Knee FlexionKnee Flexion According to branchesAccording to branches
TibialTibial Ankle PFAnkle PF Plantar aspect of footPlantar aspect of foot
Deep Deep peronealperoneal Ankle DFAnkle DF
1st web space 1st web space
dorsum of footdorsum of foot
Superficial Superficial peronealperoneal Foot EversionFoot Eversion
Dorsum of foot Dorsum of foot
except 1except 1stst web space web space
SuralSural -- Lateral border of footLateral border of foot
SaphenousSaphenous -- Medial border of footMedial border of foot
SensationSensation
Dermatomes & MyotomesDermatomes & Myotomes
RootRoot SensorySensory MotorMotor ReflexesReflexes
L1L1 Inguinal ligamentInguinal ligament IliopsoasIliopsoas
L2L2 Anteromedial thighAnteromedial thigh IliopsoasIliopsoas
L3L3 Medial to patellaMedial to patella QuadsQuads
L4L4 Medial lower legMedial lower leg Tib AntTib Ant PatellarPatellar
L5L5 Anterolateral leg, dorsum footAnterolateral leg, dorsum foot EHLEHL
S1S1 Posterolateral heelPosterolateral heel GastrocGastroc AchillesAchilles
S2S2 Posterior thighPosterior thigh RectalRectal
S3-5S3-5 PerianalPerianal RectalRectal
Vascular ExaminationVascular Examination
• Inspection: Inspection: – PallorPallor– Hair distributionHair distribution
• Palpation:Palpation:– Feel pulses: dorsalis pedis, posterior tibial, popliteal, femoralFeel pulses: dorsalis pedis, posterior tibial, popliteal, femoral– TemperatureTemperature– Capillary refillCapillary refill– SensationSensation
• Special Tests:Special Tests:– Compartments checkCompartments check– Ankle-Brachial IndexAnkle-Brachial Index
ReferencesReferences
US$ 65US$ 65 US$ 47US$ 47
QuestionsQuestions