shoulder injuries sports medicine class john hardin instructor
TRANSCRIPT
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Shoulder InjuriesShoulder Injuries
Sports medicine classSports medicine class
John HardinJohn Hardin
InstructorInstructor
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AnatomyAnatomy
BonesBones
LigamentsLigaments
Joints Joints
MusclesMuscles
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BonesBonesClavicleClavicle– Sternal end, distal endSternal end, distal end
ScapulaScapula– Glenoid fossa, acromion process, coracoid Glenoid fossa, acromion process, coracoid
process, spine, supraspinous fossa, process, spine, supraspinous fossa, infraspinous fossa, vertebral border, inferior infraspinous fossa, vertebral border, inferior angleangle
HumerusHumerus– Head, greater & lesser tuberosity, bicipital Head, greater & lesser tuberosity, bicipital
groovegroove
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LigamentsLigaments
AcromioclavicularAcromioclavicular
CoracoclavicularCoracoclavicular
CoracoacromialCoracoacromial
GlenohumeralGlenohumeral– SuperiorSuperior– MiddleMiddle– InferiorInferior
Glenoid LabrumGlenoid Labrum
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JointsJoints
Glenohumeral jointGlenohumeral joint
Acromioclavicular jointAcromioclavicular joint
Sternoclavicular jointSternoclavicular joint
Scapulothoracic jointScapulothoracic joint
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MusclesMusclesProduce dynamic motion & establish Produce dynamic motion & establish stability to compensate for the stability to compensate for the greater mobilitygreater mobilityMotions at shoulder jointMotions at shoulder joint– flexion & extensionflexion & extension– Internal & external rotationInternal & external rotation– Abduction & AdductionAbduction & Adduction– Horizontal flexionHorizontal flexion– CircumductionCircumduction
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Muscles attaching axial skeleton to Muscles attaching axial skeleton to humerushumerus
Latissimus dorsiLatissimus dorsi– Shoulder extension, adductionShoulder extension, adduction
Pectoralis majorPectoralis major– Shoulder adduction, horizontal flexionShoulder adduction, horizontal flexion
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Muscles attaching scapula to Muscles attaching scapula to humerushumerus
DeltoidDeltoid– Abduction, flexion, extensionAbduction, flexion, extension
Teres majorTeres major– Internal rotationInternal rotation
CoracobrachialisCoracobrachialis– Shoulder flexionShoulder flexion
Rotator cuff musclesRotator cuff muscles– Supraspinatus-Supraspinatus- external rotation, initiates external rotation, initiates
abductionabduction– Infraspinatus-external rotationInfraspinatus-external rotation– Teres minor-external rotationTeres minor-external rotation– Subscapularis-internal rotationSubscapularis-internal rotation
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Muscles attaching axial skeleton to Muscles attaching axial skeleton to scapulascapula
Levator scapulaLevator scapula– Shoulder elevationShoulder elevation
TrapeziusTrapezius– Shoulder elevation, retraction, depressionShoulder elevation, retraction, depression
Rhomboids (major & minor)Rhomboids (major & minor)– Shoulder retractionShoulder retraction
Serratus anteriorSerratus anterior– Shoulder protraction, holds scapula flat against Shoulder protraction, holds scapula flat against
thoracic cagethoracic cage
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Other musclesOther muscles
Biceps brachii—long head & short Biceps brachii—long head & short headhead– Shoulder flexionShoulder flexion
Triceps brachii—long head, medial Triceps brachii—long head, medial head, lateral headhead, lateral head– Shoulder extensionShoulder extension
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Preventing shoulder injuriesPreventing shoulder injuries
Maintain adequate strength & Maintain adequate strength & flexibility of all shoulder musclesflexibility of all shoulder muscles
Good postureGood posture
Proper techniquesProper techniques
Proper warmupProper warmup
Proper protective gearProper protective gear
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Types of InjuriesTypes of Injuries
SprainsSprains
DislocationsDislocations
StrainsStrains
OveruseOveruse
FracturesFractures
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AC SprainAC Sprain
Shoulder separationShoulder separation
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MechanismMechanism
Impact to tip of shoulderImpact to tip of shoulder
Fall on outstretched armFall on outstretched arm
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Signs and symptomsSigns and symptoms
Deformity at AC jointDeformity at AC joint– distal end of clavicle rides distal end of clavicle rides superiorlysuperiorly
Pain with movement and palpationPain with movement and palpation
““+” piano key sign+” piano key sign
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Degrees of injuryDegrees of injury11stst degree: no deformity, pain w/ degree: no deformity, pain w/ palpation & motion, mild stretching of AC palpation & motion, mild stretching of AC ligamentligament
22ndnd degree: displacement of distal end of degree: displacement of distal end of clavicle, unable to abduct arm or bring it clavicle, unable to abduct arm or bring it across body, painacross body, pain
33rdrd degree: complete rupture of AC and degree: complete rupture of AC and CC ligaments, with dislocation of the CC ligaments, with dislocation of the distal end of clavicle, severe pain, LOM, distal end of clavicle, severe pain, LOM, instabilityinstability
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TreatmentTreatment
RICERICE
Immobilization Immobilization
Physician referral if more than 1Physician referral if more than 1stst degreedegree
Possible surgeryPossible surgery
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SC SprainSC Sprain
Relatively uncommon injuryRelatively uncommon injury
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Mechanism of injuryMechanism of injury
Indirect force transmitted through Indirect force transmitted through the humerus, the shoulder joint and the humerus, the shoulder joint and the clavicle the clavicle
Direct impact to clavicleDirect impact to clavicle
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Signs & symptomsSigns & symptoms
3 degrees3 degrees
May have deformity at sternal endMay have deformity at sternal end
SwellingSwelling
PainPain
POTPOT
Inability to abduct shoulder through Inability to abduct shoulder through full ROMfull ROM
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TreatmentTreatment
RICERICE
ImmobilizationImmobilization
Physician referralPhysician referral
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Glenohumeral dislocationGlenohumeral dislocation
Shoulder dislocationShoulder dislocation
Anterior—most commonAnterior—most common
PosteriorPosterior
InferiorInferior
MultidirectionalMultidirectional
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Anterior shoulder dislocationAnterior shoulder dislocation
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Anterior shoulder dislocationAnterior shoulder dislocation
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GH dislocationGH dislocation
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GH dislocationGH dislocation
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MechanismMechanism
Arm forced into external rotation Arm forced into external rotation abduction and extensionabduction and extension
Posterior force driving the head of Posterior force driving the head of the humerus posteriorlythe humerus posteriorly
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Signs & symptomsSigns & symptomsDeformity—step off (deltoid will look Deformity—step off (deltoid will look flattenedflattenedArm in slight abduction, external Arm in slight abduction, external rotationrotationWill not be able to move shoulder Will not be able to move shoulder jointjointUnable to touch opposite shoulder Unable to touch opposite shoulder with hand of affected sidewith hand of affected sidePain and POTPain and POT
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TreatmentTreatment
ImmobilizationImmobilization
ER to have shoulder reduced by a ER to have shoulder reduced by a physicianphysician
Immobilization for 1-2 weeksImmobilization for 1-2 weeks
No activity 4-6 weeksNo activity 4-6 weeks
Rehab-ROM and strengtheningRehab-ROM and strengthening
High incidence of recurrence after High incidence of recurrence after the first dislocationthe first dislocation
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Shoulder reductionShoulder reduction
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Immobilization of shoulder joint
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Shoulder dislocation videoShoulder dislocation video
Watch shoulder dislocation on Google Video.htm
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Shoulder subluxationShoulder subluxation
Partial dislocation/spontaneous Partial dislocation/spontaneous reductionreduction
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MechanismMechanism
External rotation, abduction, External rotation, abduction, extensionextension
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Signs & symptomsSigns & symptoms
PainPain
Limited ROMLimited ROM
POTPOT
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TreatmentTreatment
IceIce
ImmobilizationImmobilization
Physician referralPhysician referral
Rehab—strengthening muscles Rehab—strengthening muscles around jointaround joint
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Rotator Cuff StrainRotator Cuff Strain
3 degrees3 degrees
Most involve supraspinatusMost involve supraspinatus
Tears usually at insertion on Tears usually at insertion on humerushumerus
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Rotator cuff strainRotator cuff strain
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MechanismMechanism
Dynamic rotation of arm at high Dynamic rotation of arm at high velocity (overhead throwing)velocity (overhead throwing)
Usually involves individuals with a Usually involves individuals with a history of impingement or instabilityhistory of impingement or instability
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Signs & symptomsSigns & symptoms
Pain w/ muscle contractionPain w/ muscle contraction
POT over greater tuberosityPOT over greater tuberosity
Loss of strengthLoss of strength
Complete tear produces pain, loss of Complete tear produces pain, loss of function, swelling and POTfunction, swelling and POT
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TreatmentTreatment
RICERICE
Decrease level of activity Decrease level of activity
Exercises to strengthen rotator cuffExercises to strengthen rotator cuff
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Biceps tendon ruptureBiceps tendon rupture
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Mechanism Mechanism
Direct blow Direct blow
Severe contraction of bicepsSevere contraction of biceps
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Signs & symptomsSigns & symptoms
Unable to flex elbowUnable to flex elbow
Deformity of biceps—balling up of Deformity of biceps—balling up of muscle bellymuscle belly
PainPain
POTPOT
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Treatment Treatment
IceIce
ImmobilizationImmobilization
Physician referralPhysician referral
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Tendonitis Tendonitis
Rotator cuffRotator cuff
BicepsBiceps
Common among athletes performing Common among athletes performing overhead motions due to overuse or overhead motions due to overuse or muscle weaknessmuscle weakness
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Mechanism Mechanism
Repetitive overhead motion causing Repetitive overhead motion causing inflammation of tendoninflammation of tendon
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Signs & symptomsSigns & symptoms
POTPOT
SwellingSwelling
CrepitusCrepitus
Pain with motionPain with motion
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TreatmentTreatment
RestRest
IceIce
HeatHeat
NSAIDSNSAIDS
StretchingStretching
StrengtheningStrengthening
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Impingement syndromeImpingement syndrome
Involves compression of Involves compression of supraspinatus tendon, subacromial supraspinatus tendon, subacromial bursa, long head of biceps tendon bursa, long head of biceps tendon (all are under the coracoacromial (all are under the coracoacromial arch)arch)
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Impingement
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Impingement
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Mechanism Mechanism
Repetitive overhead motionsRepetitive overhead motions
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Signs & symptomsSigns & symptoms
Diffuse pain around the acromion Diffuse pain around the acromion process when arm is in overhead process when arm is in overhead positionposition
External rotators are weakExternal rotators are weak
““+” impingement test+” impingement test
Empty can test may increase painEmpty can test may increase pain
Pinching sensationPinching sensation
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Treatment Treatment
RICERICE
Restore normal biomechanics to Restore normal biomechanics to shouldershoulder
Strengthen RC muscles and muscles Strengthen RC muscles and muscles that produce movement of scapulathat produce movement of scapula
Stretch posterior and inferior joint Stretch posterior and inferior joint capsulecapsule
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Clavicle FractureClavicle Fracture
Most common in distal thirdMost common in distal third
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Clavicle FractureClavicle Fracture
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Clavicle FractureClavicle Fracture
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Clavicle FractureClavicle Fracture
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Clavicle FractureClavicle Fracture
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Clavicle FractureClavicle Fracture
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Clavicle fractureClavicle fracture
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Mechanism Mechanism
Fall on tip of shoulderFall on tip of shoulder
Direct blow to clavicleDirect blow to clavicle
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Signs & symptomsSigns & symptoms
PainPain
DeformityDeformity
Hold arm close to sideHold arm close to side
Hunch shouldersHunch shoulders
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Treatment Treatment
IceIce
ImmobilizationImmobilization
ER visitER visit
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Clavicle fracture surgical repairClavicle fracture surgical repair
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Humeral FractureHumeral Fracture
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Mechanism Mechanism
Direct blowDirect blow
DislocationDislocation
Fall on outstretched armFall on outstretched arm
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Signs & symptomsSigns & symptoms
PainPain
Hear a crackHear a crack
Unable to move armUnable to move arm
Swelling, Swelling,
POTPOT
Possible deformityPossible deformity
Discoloration of superficial tissueDiscoloration of superficial tissue
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Treatment Treatment
Splint/immobilizeSplint/immobilize
Treat for shockTreat for shock
ER visitER visit
Possible surgeryPossible surgery
2-6 months recovery2-6 months recovery
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Epiphyseal FractureEpiphyseal Fracture
Fracture to growth plate in younger Fracture to growth plate in younger athleteathlete
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Epiphyseal fracture
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Epiphyseal fracture
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Epiphyseal Fracture
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Mechanism Mechanism
Falling on elbow, driving head of Falling on elbow, driving head of humerus into the glenoid fossahumerus into the glenoid fossa
Blow to head of humerusBlow to head of humerus
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Signs & symptomsSigns & symptoms
Pain Pain
Inability or desire to move armInability or desire to move arm
Feeling a “pop”Feeling a “pop”
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Treatment Treatment
IceIce
ImmobilizationImmobilization
Physician referralPhysician referral
Possible surgery to hold head of Possible surgery to hold head of humerus to shaft to ensure proper humerus to shaft to ensure proper healing and growthhealing and growth
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Shoulder PointerShoulder Pointer
Contusion to tip of shoulderContusion to tip of shoulder
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MechanismMechanism
Direct blow to tip of shoulderDirect blow to tip of shoulder
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Signs & symptomsSigns & symptoms
POTPOT
PainPain
DiscolorationDiscoloration
SwellingSwelling
Decreased motionDecreased motion
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Treatment Treatment
IceIce
Protective paddingProtective padding
Modify activityModify activity