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"hand therapy" involves which body parts
- shoulder girdle
- elbow
- wrist
- hand
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CHT = certified hand therapist
85% are OTs, we're 15%
3 qualifications?
- at least 5 yrs of clinical experience
- at least 4,000 hours direct treatment of upper quadrant
- demonstrated competancy (on a test?) in advanced clinical skills and theory in upper quadrant rehab
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lumbrical innervation
- 2 & 3: median n (C8-T1)
- 4 & 5: ulnar n (C8-T1)
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extensor digitorum communis innervation
radial (C6-8)
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pronator teres innervation
median C6-7
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flexor digitorum profundus innervation
- 2 & 3: ulnar (C7-T1)
- 4 & 5: median (C7-T1)
same as the lumbricals
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supinator innervation
radial C5-7
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APL innervation
radial C7-8
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flexor carpi ulnaris innervation
ulnar C7-T1
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extensor carpi ulnaris innervation
radial C6-8
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opponens pollicis innervation
median C6-T1
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flexor digiti minimi
ulnar C7-T1
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What's DASH?
it's a questionaire - Disabilities of the Arm, Shoulder, and Hand -- about how much the injury is troubling you.
limitations: doesn't consider handedness (so if you mashed your left hand but you're a righty, you may appear not too impaired, since your handwriting and stuff isn't affected), doesn't consider location too well (if you smushed a distal phalanx you may be able to do ADL pretty well despite it being a major fracture)
0 = perfect, 100 = most impaired
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keloid vs hypertrophic scar tissue
- keloid: extends outside original wound bed
- hypertrophic: raised, but stays within wound bed
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coloring of scar tissue that can be treated, color that can't
- purple, reddish, pink -- treatable
- white -- mature, not treatable
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If there's a distal radial fracture and you want to do a quick test on the hand, what do you do? (3 steps) -- this is composite ROM
- 1: ext: fingers fully
- 2: flex: make a fist
- if can't make a fist, measure how far each finger stops from distal palmar crease (DPC)
- 3: opposition: thumb to tip of each finger
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how does American Society of Hand Therapists (ASHT) recomend testing grip strength?
- dynamometer
- shoulder add, neutral rot, elbow flexed to 90, forearm and wrist neutral
- take average of 3 trials
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3 ways to teest pinch strength
- lateral pinch/key pinch - tests thenar muscles
- tip pinch - thumb vs 1 finger
- 3 point pinch - thumb vs 2 fingers
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contraind for grip and pinch tests
if it's a fracture, tendon repair/transfer, ligament strain/repair, don't do until MD approves strength and resistance training
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sensation nerve distribution on dorsal and palmar hand
- palmar - med is ulnar n., lat is median n., prox lat corner is radial n.
- dorsal - radial half up to prox phalange is radial n., upper parts of digits 2 and 3 are median n., ulnar side is ulnar n.
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2 point discrim is a measure of __
useful in testing __ after __
- innervation density
- regeneration ... nerve laceration
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where do you do 2 point discrim to test for regen after nerve laceration?
btwn digit tips and distal palmar crease
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which kind of 2 pt discrim returns first?
moving before static, by 2-6 mo
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monofilament testing / threshold testing looks at what about the nerve?
- nerve threshold
- used late in nerve laceration or compression injury (I think more the latter than the former)
- good for carpal tunnel or cubital at elbow
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when would a pt lose protective sensation (hot/cold/pain)?
severe compression injury
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6 sensations in hand and order of their return
- pain and temp
- 30 cycles/sec vibration
- moving light touch
- 256 cps vibration
- static light touch
- localization of light touch
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primary healing vs secondary healing
happens after surgery vs healing w/o surgery
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inflam phase in primary and secondary healing
- 1-2 weeks for both, but in primary you can do gentle AROM, while in secondary its just protective
- in primary start moving 7-10 days after operation
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reparative phase in primary and secondary healing
- primary: 2-6 wks, full A/PROM
- secondary: 3-6 weeks, continued protection, maybe move a little
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remodeling phase in primary and secondary healing
- primary: 6 weeks +, continue motion, strengthening
- secondary: 6 weeks +, move a lot, PROM at 6 weeks when cast comes off, strengthening at 12-14 weeks
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position of hand for splinting
- wrist ext 20-30 degrees
- 70 degree MTP flexion
- IP jts extended
- thumb half abducted
duck looking skyward
this promotes healing and prevents unnecessary shortening of tissues
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for a metacarpal fracture, how much of the arm goes in the cast/
2/3 of the arm
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colles fracture
- distal radius breaks
- extra-articular (outside the capsule)
- dorsal displacement of distal fragment
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smiths fracture
- extra-articular fracture of distal radius
- volar displacement of distal fragment
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bartons fracture
- intra-articular fracture/dislocation
- dorsal dislocation of the carpals
- radial fragment can be dorsal or volar
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an extra little fracture common in radius fractures?
chip off the ulnar styloid process
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which tendon runs around listers tubercle at a 35 degree angle?
EPL
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distal radius fracture rehab
phase I
ROM & edema work?
- protective phase (cast, splint)
- ROM: full digit motion, tendon gliding; AROM of shoulder and elbow; only wear sling in busy areas where arm could get jossled
- edema: elevate distal limb; AROM of digits
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tendon gliding
- open palm
- duck fist (lumbar)
- straight fist
- full fist
- hook fist
it's the quad set of hand therapy
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edema control, basic rule
- keep limb elevated at all timesshould never be in a dependent pos
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distal radius fracture rehab
phase I, II, III -- how does the protective immobilization change?
- I: cast or splint
- II: full time splint
- III: splint usually discontinued, though may need splinting to regain ROM
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distal radius fracture rehab
phases I, II, III
edema control?
- I: elevation and AROM of fingers
- II: contrast baths, compression wrapping, retrograde massage
- III: none
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distal radius fracture rehab
phases I, II, III
ROM
- I: tendon gliding & AROM of shoulder and elbow
- II: A/AAROM and gentle PROM of wrist motions and forearm pron/sup
- III: aggressive PROM, joint mobs as needed
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distal radius fracture rehab
when to try ADL?
when to do strengthening exercises?
- II - try at least (tho the case study does it in I)
- III - wrist and forearm, grip and pinch
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what muscles do you need to isolate asap during AROM after distal radius fracture? how to isolate it?
- wrist extensors (encourage tenodesis)
- flex fingers while doing wrist extension so you don't get compensation from EDC
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which metacarpals are most commonly fractured? by whom and when? what accidents?
- 1st and 5th
- men
- 10-29 y/o
- MVAs, bike accidents, crush or direct blow to hand
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rel btwn length of metacarpal and its CMC motion?
inverse
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metacarpal fracture where causes stiffness where?
- head / neck -- digits
- base -- wrist
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in a metacarpal fracture why is it so important to work on dorsal scar tissue?
- bc the digital extensor tendons run atop the metacarpals
- scar tissue wants to stick to these and limit their ROM
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CRPP
- closed reduction percutaneous pinning
- for unstable metacarpal fracures
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most metacarpal neck fractures can be managed via...?
closed reduction and splint cast immob for 3-4 weeks (an exception to the 6 wk rule)
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boxer's fracture
- 4th or 5th metacarpal neck
- "fight bite"
- usually with an open wound on the metacarpal head, so it requires antibiotics
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metacarpal fracture rehab
phases I, II, III
protective immobilization?
- I: bulky post-op cast or ulnar gutter splint
- II: full time splint use
- III: usually discontinued unless for gaining ROM
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metacarpal fracture rehab
phases I, II, III
edema control
- I: elevate distal limb, AROM of digits
- II: contrast baths, compression wrapping, retrograde massage
- III: none
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metacarpal fracture rehab
phases I, II, III
ROM
- I: tendon gliding, AROM of shoulder and elbow
- II: A/AAROM and gentle PROM - digit flex/ext, tendon gliding, blocking exercises (do light functional activities and dexterity tasks)
- III: aggressive PROM, joint mobs as necessary
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metacarpal fracture rehab
phases I, II, III
scar management
II: scar massage, silicone sheets or pads
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metacarpal fracture rehab
phases I, II, III
progressive strengthening exercises
- II: light functional activities and dexterity tasks
- III: resistive EC ther-ex to facilitate glide
- grip and pince
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EDC glides starting in phase I after metacarpal fracture
- fingers straight up
- fist
- high fist
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differential tendon gliding
what for
how
- isolates the long extensor tendons
- hand flat on table, lift only the affected finger
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blocking exercises after metacarpal fracture
- MCP jt is held in extension via splint or hand
- pt flexes PIP and DIP jts to gain ROM in them
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resistive EDC glides - how and why?
- roll a velcroed dowel by extending fingers
- breaks up scar tissue
- (pip and dip ext due to lumbrical and interossei pull on the lateral bands)
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4 wk goal for metacarpal neck fracture
composite flexion (to increase grasp)
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CMC jt arthroplasty
- replacement of 1st metacarpal-trapezium jt
- women > men 10-15:1
- pre-op complaints include pain at CMC jt and mvment/slipping in jt
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1st and 2nd most common hand jts for OA
- 1st - DIPs
- 2nd - trapezium-metacarpal
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troubled ligament when pt needs a replacement of the 1st metacarpal trapezium jt
anterior oblique
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sign of trouble in the metacarpal trapezium jonit?
saddle sign -- metacarpal subluxed off the trapezium
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surgical options for cmc jt arthroplasty
- trapezium excision
- hemitrap excision
- hematoma and distraction arthroplasty
- implant arthroplasty
- TM arthrodesis
- LRTI: ligament reconstruction tendon interposition
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arthrodesis
surgical immobilization of a joint by fusion of adjacent bones
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ligament reconstruction tendon interposition (LRTI) 3 fundamental priciples for CMC jt artrhoplasty
- trap excision
- AOL reconstruction
- fascial interposition
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what happens in a trap excision?
half the FCR gets balled up and put there to stabilize the 1st and 2nd metacarpals, and K wires stabilize the metacarpals
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CMC arthroplasty / LRTI rehab
phases I, II, III
protective immobilization
- I: bulky post op cast or forearm based thumb spica for 4-6 wks
- II: full time splint
- III: splint use begins to taper off
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CMC arthroplasty / LRTI rehab
phases I, II, III
ROM
- I: ROM of uninvolved jts
- II: AROM of thumb, CMC jts, wrist
- III: focus on functional ROM and end range ROM
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CMC arthroplasty / LRTI rehab
when does phase II begin?
when K wire is removed
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CMC arthroplasty / LRTI rehab
phases I, II, III
strengthening
- II: light functional activities
- III: wrist, grip, light pinch resistance
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CMC arthroplasty / LRTI rehab
phases I precautions
- no thumb or wrist ROM - usually AROM is held for 3-4 wks post op
- no CMC ROM
- absolutely no pinch
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in secondary healing, when does strengthening begin?
12-14 wks
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