elbow, wrist, hand ntp f12
DESCRIPTION
TRANSCRIPT
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Chapter 24: The Forearm, Wrist, Hand and Finger
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Anatomy of the Forearm
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Assessment of the Forearm
History What was the cause? What were the symptoms at the time of injury, did
they occur later, were they localized or diffuse? Was there swelling and discoloration? What treatment was given and how does it feel now?
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Observation Visually inspect for deformities, swelling and
skin defects Range of motion Pain w/ motion
Palpation Palpated at distant sites and at point of injury Can reveal tenderness, edema, fracture,
deformity, changes in skin temperature, a false joint, bone fragments or lack of bone continuity
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Valgus carrying Valgus carrying angleangle
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Gunstock deformityGunstock deformity
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a b
Normal carrying angleNormal carrying angle
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a b
Normal elbow alignmentNormal elbow alignment
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Dislocations
http://www.youtube.com/watch?v=RaLQYJOFl6k
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Elbow Dislocations
• Posterior
What’s Damaged?UCLAnnularLCLAnt. CapsuleBrachialisFlexor tendons
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Elbow Dislocations
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Chronic Injuries
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Epicondylitis
Medial “little league elbow”Wrist flex. On follow thru.Curve balls?
Lateral “tennis elbow”Backhand
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Epicondylitis
Cause:
Overuse!!!
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Epicondylitis
Youth?Avulsed
epicondylar growth plates
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Olecranon Bursitis
Etiology Superficial location
makes it extremely susceptible to injury (acute or chronic) --direct blow
Signs and Symptoms Pain, swelling, and point
tenderness Swelling will appear
almost spontaneously and w/out usual pain and heat
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Recognition and Management of Injuries to the Forearm
Forearm Contusion Etiology
Ulnar side receives majority of blows due to arm blocks Can be acute or chronic Result of direct contact or blow
Signs and Symptoms Pain, swelling and hematoma If repeated blows occur, heavy fibrosis and possibly bony
callus could form w/in hematoma
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Contusion (continued) Management
Proper care in acute stage involves RICE for at least one hour and followed up w/ additional cryotherapy
Protection is critical - full-length sponge rubber pad can be used to provide protective covering
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Forearm Fractures
Etiology Common in youth due to falls and direct blows Ulna and radius generally fracture individually Fracture in upper third may result in abduction deformity
due pull of pronator teres Fracture in lower portion will remain relatively neutral Older athlete may experience greater soft tissue damage
and greater chance of paralysis due to Volkman’s contracture
Signs and Symptoms Audible pop or crack followed by moderate to severe pain,
swelling, and disability Edema, ecchymosis w/ possible crepitus
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Management Initially RICE
followed by splinting until definitive care is available
Long term casting followed by rehab plan
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Colles’ Fracture Etiology
Occurs in lower end of radius or ulna
MOI is fall on outstretched hand, forcing radius and ulna into hyperextension
Less common is the reverse Colles’ fracture
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Colle’s Fracture Cont.
Signs and Symptoms Anterior displacement of radius causing visible deformity (silver
fork deformity) When no deformity is present, injury can be passed off as bad
sprain Extensive bleeding and swelling Tendons may be torn/avulsed and there may be median nerve
damageManagement
Cold compress, splint wrist and refer to physician X-ray and immobilization Severe sprains should be treated as fractures Without complications a Colles’ fracture will keep an athlete out
for 1-2 months In children, injury may cause lower epiphyseal separation
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Smith’s Fracture
MOI – falling on back of hand forcing wrist into hyperflexion
Radius displaces posteriorly
Less common than colles’ fracture
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Anatomy of the Wrist, Hand and Fingers
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SomeLoversTryPositionsThatTheyCan’tHandle
SL
TP
TT
CH
Never Lower Tilly’s Pants, Terrible Things Could Happen
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•Blood and Nerve Supply
Three major nerves Ulnar, median and
radialUlnar and radial
arteries supply the hand Two arterial arches
(superficial and deep palmar arches)
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WRIST AND HAND
Activity- Anatomy Review
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Assessment of the Wrist, Hand and Fingers
History Past history Mechanism of injury When does it hurt? Type of, quality of, duration of, pain? Sounds or feelings? How long were you disabled? Swelling? Previous treatments?
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Assessment Cont.
Observation Postural deviations Is the part held still, stiff or protected? Wrist or hand swollen or discolored? General attitude What movements can be performed fully and
rhythmically? Thumb to finger touching Color of nailbeds
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Recognition and Management of Injuries to the Wrist, Hand and
Fingers
Wrist Sprains Etiology
Most common wrist injury Arises from any abnormal, forced movement Falling on hyperextended wrist, violent flexion or torsion Multiple incidents may disrupt blood supply
Signs and Symptoms Pain, swelling and difficulty w/ movement
Complications Can be complicated due to the complex ligamentous
structure Carpal fractures are often missed
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Tendinitis /Tenosynovitis
Etiology Repetitive pulling movements of (commonly) flexor carpi
radialis and ulnaris; repetitive pressure on palms (cycling) can cause irritation of flexor digitorum
Primary cause is overuse of the wrist Signs and Symptoms
Pain on active use or passive stretching Isometric resistance to involved tendon produces pain,
weakness or both
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Carpal Tunnel Syndrome
Etiology Compression of median nerve due to inflammation of
tendons and sheaths of carpal tunnel Result of repeated wrist flexion or direct trauma to
anterior aspect of wrist Signs and Symptoms
Sensory and motor deficits (tingling, numbness and paresthesia); weakness in thumb
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Scaphoid Fracture
Most fractured bone in the wrist
-Fx of the bone most commonly from a fall on outstretched hand
-Complications: 1. difficult to confirm with xray2. poor blood supply = poor healing3. high morbidity rate
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Scaphoid Fracture
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Phalange Fracture
"jammed" joint surface fx – axial load Direct blow Rotational force
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Boxer’s Fracture
(Donovan’s fx)
-Fx of the 5th met.
-Mech: axial compression mostly caused by punching
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Finger Dislocations
•IP Joint most common•Thumb dislocations are severe
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UCL- Thumb Sprain
Ulnar Collateral Ligament
Mech - abduction and/or hyperextension 3rd Degree - Gamekeepers Thumb
Commonly under dx. Severe laxity Chronic instability and dysfunction Early arthritis
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