Final Flashcards
Leg-Calve-Perthes
- AVN of the Femoral Head
- MOI: unknown
- Hx: 4-10 y/o; 4:1 males; 20% bil; pain in groin, thigh or knee; insidious onset usually with limp (worse w/ activity)
- PEx: no int/ext hip rotation; pain w/ motion; hip or knee/thigh pain; Trendelenburg gait
- Dx: increased radio density (sclerotic line); flattening of head
- Tx: conservative with rest, crutches, PT; containment of head in acetabulum with cast/brace; surgery for severe cases
Slipped Capital Femoral Epiphysis (SCFE)
- Hx: 10-14 y/o; males; 50% bil; insidious onset w/ hip, groin, thigh, knee pain; obese male, delayed development usually
- PEx: spasm, synovitis, reduced ROM; observe ext rotation w/ hip flexion; radio (frog-leg view) shows medial hip dislocation (grade I (50%))
- Tx: surgical reduction
Trochanteric Bursitis
- MOI & Hx: tight IT band; runner w/ trochanteric pain during flexion & extension (increased w/ coxa varum); commonly due to overuse; pain may radiate to groin and/or lateral thigh (1/3 of Pts)
- PEx: lay on unaffected side, flex hip w/ leg extended (decubitis pos.); produces aching pain over lateral hip; pain reproduced with ext rotation and abduction and resisted abduction; ITB tightness may be present; positive OBER TEST (decubitis pos. with leg up, lower knee to table to assess ITB tightness)
- Tx: modify activity; ITB stretching; steroid injection
Avulsion Hip Fractures (ASIS)
- Hx: sudden contraction of sartorius; forced contraction w/ knee flexed & hip extended (before a kick); ant lateral thigh parasthesias
- PEx: P.O.P @ ASIS; localized tenderness and swelling; flexion & abduction provokes symptoms; pain against hip flexion w/ knee extension; displacement of ASIS in radio
Avulsion Hip Fractures (AIIS)
- Hx: forced contraction “kicking;” groin pain
- PEx: P.O.P @ AIIS; pain against hip flexion w/ knee extended; localized tenderness and swelling; active flexion provokes symptoms
Ischial Tuberosity Fracture
- Hx: strong hamstring contraction w/ hip flexed and knee extended (hurdles); sudden pain in buttocks, “can’t go on;” difficulty sitting
- PEx: hip flexion w/ knee extended reproduces symptoms; P.O.P @ ischial tuberosity; pain w/ straight leg raise and resisted knee flexion
Hamstring Strain
- Hx: tight, poor warm-up, fatigue; fast contraction, extension of knee; (baseball and track)
- PEx: pain w/ resisted knee flexion; P.O.P @ muscle belly; visible or palpable knot
- Tx: NSAIDs; PRICE; weight bearing as tolerated; e-stim; stretching bil; pool running; isokinetic strengthening
Piriformis Syndrome
- Benchwarmer’s Syndrome
- Hx: trauma, prolonged sitting, overuse; dull ache in mid-buttocks; pain walking up stairs (from swelling or compression of sciatic n.)
- PEx: P.O.P along m.; pain w/ flexion, adduction, internal rotation; may hold leg in ext rotated pos., esp. if in spasm; may have Trendelenburg gait
Iliopsoas Tendonitis/Bursitis
- Snapping Hip Syndrome
- MOI: acute trauma; overuse from repetitive hip flexion
- Hx: groin pain worse w/ activity; “snapping” w/ hip flexion
- PEx: pain w/ resisted hip flexion; P.O.P over pubic ramus, lateral to neurovascular bundle
- Tx: steroids (usually oral); NSAIDs; modify activty; strength/stretch exercises; e-stim
Avulsion Hip Fractures (General)
- Rapidly growing males w/ mm. stronger than growth plates
- Ballistic loading w/ eccentric contracture
- D/Dx: muscle strain or contusion
- Dx: radiographs
- Tx: PRICE; crutches; stretch/strengthening after 2 weeks; return to activity w/ return of strength & function
O’ Donahue’s Triad
- ACL
- MCL
- Medial Meniscus
ACL Injury
- Limits ant. tibial displacement and int. rotation
- Female>Male; teens, 20s; sports
- MoI: cutting-deceleration-hyperextension (stop & turn in); most non-contact
- 60% have O’Donahue’s Triad; 50% have subchondral bone injury
- Hx: effusion & tenderness (near patellar tendon); decreased stability
- Complications: DJD; decreased stability increases reinjury; long rehab w/ surgery
Anterior Drawer Sign
- For Dx of ACL injury
- supine; knee @ 90 flex; grab leg at prox tibia and pull towards you
- 50% false negative
Lachmann’s Test
- For Dx of ACL Injury
- supine; knee @ 15 flex; grab leg at prox tibia and pull towards you
- can standardize w/ machine; >3mm
- 5-10% false negative
PCL Injury
- Limits post. tibial displacement and ext. rotation
- Less common than ACL; auto accidents #1 cause; sports due to direct blow to prox tibia or hyperextension
- Hx: might have “pop;” no edema until 48 hrs; may WB; reluctant to extend knee
- PEx: popliteal tenderness; stability (much more than ACL injury)
Sag Test
- For Dx of PCL injury
- supine; thighs @ 90 flex, knees @ 90 flex; support at ankle
- sag at tibial plateau sinks below patella –> +
Posterior Drawer Sign
- For Dx of PCL injury
2. supine; knee @ 90 flex; grab leg at prox tibia and push away from you
MCL Injury
- deep layer is thickened capsule; major medial stabilizer
- football & skiing; involve blow laterally
- Hx: very painful increase over time; feel/hear “pop;” knee stiffens up w/in hrs; partial tear more painful
- PEx: medial edema/minimal effusion; medial ecchymosis after 24hrs; medial instability when stressed @ 20 flex
- DDx: epiphyseal fracture (peds)
- Tx: I&II-knee brace hinged w/ locked pos.; III-cast immobilization of primary repair
MCL Injury Grades
- medial instability when stressed @ 20 flex
- Grade I - no opening at medial joint
- Grade II - opens w/ firm end point
- Grade III - opens w/ soft end point
LCL Injury
- very rare
- from major trauma with knee dislocation
- major vascular injury; cruciate & common fib n. damaged
Meniscus Injury
- fibrocartilage; redistributes pressure
- MoI: WB injury; medial-involving cutting; lateral-involving rotation while squatting
- Hx: “snap or pop;” may lock right away
- PEx: medial or lateral joint line; meniscal impingement tests
Meniscal Tears
- Bucket Handle: medial more common; prone to locking; younger athletes
- Flap: may start as bucket handle; impingement but not locking
- Transverse
- Torn Horn
Degenerative Meniscal Tears
- older athletes (>40y/o)
2. minimal trauma; joint line pain w/ activity; recurrent effusions; minimal impingement episodes; can’t squat
McMurray Test
- provocative meniscal impingement test
- supine; knee @ 90 flex & ext rotated
- extend leg on thigh w/ varus stress while palpating medial joint line
- pain w/ audible/palpable click –> +
Apley Compression Test
- provocative meniscal impingement test
- prone; knee @ 90 flex
- compress leg toward knee while rotating foot ext
- pain elicited –> +
Patella Injury
- tendency to displace laterally; femoral trochlea restricts lateral movement; females>males
- Hx: knee flexed @ 20-40 w/ quads contracting; foot ext rot (cutting); “ripping tearing grinding;” immediate effusion; immediate disability
- PEx: large, tense painful effusion; pain @ retinac + vastus medialis; cannot extend knee past 10-15; medial ecchymosis 12-18hrs
- Tx: immoblize @ 10 flex & PRICE 48hrs, remove immobilizer to begin ROM exercise; isometric quad contractions; e-stim over vastus medialis m. (2hrs/day); w/ motion, D/C brace for patellar stabilizer 3-6 months
Fulkerson Classification
1. For PFD Type I-subluxation Type II-subluxation & tilt Type III-tilt Type IV-no malalignment
Patella Femoral Dysfunction
- 25% of all athletes; females>males
- Patellalgia, ant knee pain, chondromalacia patella, patellar compression syndrome
- associated w/ partially/compensated FF varus, flex FF valgus, comp congenital gastroc equinas, comp transverse plane deformity
- PEx: note position
Chondromalacia Patella
I-softening/degeneration of AC
II-Cleaving of AC
III-Cleaving and fronds of AC
IV-wearing away of AC to subchondral bone
Patella Biomechanics
- trochlea engaged @ 20-30 flex
- increases knee extension force by 50%
- Walking = 0.5 x BW
- Stairs = 3.3 x BW
- Squatting = 6 x BW
Q-Angle
- line from ASIS to central patella & line from central patella to tibial tuberosity
- 14-males; 17-females
Plica
- redundant fold of synovial lining of knee; tears at femoral condyles
- Hx: gradual onset; “theatre sign;” “pop” during extension if fibrosed; buckling if entrapped
ITB Syndrome
- associated w/ tight ITB; genu varum, runner’s varus; causes lateral knee pain
- Ober’s Test
Stress Fractures
- inability to withstand repetitive non-violent force; often due to muscle fatigue
- 95% in LE; account for 10% of running injuries; women>men; women w/ amenorrhea, low estrogen, more bil stress fractures
- Hx: tenderness; pain w/ WB; reproduce pain w/ inciting activity; may see slight edema
- Dx: x-ray (14-21 day rule)
- Tx: decrease activity; change activity; foot wear; orthoses; immobilization
- 1st most common met; lateral mall>medial mall
Posterior-Medial Shin Splints
- MoI: overuse of TP m.; due to increased velocity of pronation; eccentric contraction after HS (STJ moments highest)
- Hx: medial shin pain
Anterior-Lateral Shin Splints
- most common
- MoI: overuse of TA m.; due to increased velocity of ankle joint DFion; eccentric contraction after heel contact (ankle joint moments highest)
- Hx: anterior-lateral shin pain
Shin Splints
- Poss. MoI: shoes, running surface, tight opposing m. groups, weak m. groups, running variations, foot morphology
- Hx: diffuse pain late in workout; more localized as gets worse; not tender on WB; can palpate area of tenderness; running in place hurts
- Tx: decreased activity; substitute activity; orthoses/shoes; stretch/strengthen; phys therapy
Chronic Compartment Syndrome
- acute is medical emergency
- MoI: due to high pressures in fascial boundaries causing ischemia; increased pressure due to increased m. volume and intra/extracellular fluid accumulation during activity
- Hx: dull, achy, stabbing pain along lower limb; preceived m. tightness or fullness; eventually have neurological symptoms; pain subsides after activity (longer activity, longer pain); ant + deep post most affected
- PEx: have pt exercise; P.O.P along compartment; herniation in 20-60%; decreased neurological sensation + parasthesias
- Dx: compartment pressures (pre-exercise-15; 1 min post-exercise->30; 5-10min post-exercise-15)
- Tx: **decreased activity; substitute activity; orthoses/shoes; phys therapy; surgical decompression
Achilles Tendonitis
- 18% of runners exhibit signs
- poss. due to excess mileage, improper training, inadequate shoes, tight post m. group, excessive pronation
- Insertional (involves tendon/bone interface, often associated w/ haglund’s deformity) v. non-insertional (proximal to insertion)
- Tx: Binnell Surgery; 1/8” heel lift or medial wedge; achilles tendonitis walking boot; orthoses/shoes; stretching in non-acute cases; ultrasound
Non-Insertional Achilles Tendonitis
- middle-aged weekend athletes; male>female
- involves avascular zone 2-6cm prox to insertion
- Hx: pain worse in AM and w/ activity
- PEx: localized tenderness + crepitus; palpable knot; x-ray may show calcification; Thompson test (squeeze calf, failure to PF –> +)
Insertional Achilles Tendonitis
- overuse enthesopathy
- often associated w/ retrocalcaneal bursitis; chronic inflammation often results in calcification
- laterally-seen w/ varus deformities; medially-seen w/ over pronation
- PEx: erythema + edema; P.O.P @ insertion; worse after exercise; palpable mass post lateral calcaneus; x-ray show some degree of haglund deformity and poss. spur
Posterior Tibial Tendonitis (PTTD)
- linked to excessive pronation; females>males
- insertional usually occurs @ navicular tub.; acc. navicular often present
- crepitation w/ motion; pain w/ active/passive everision; pain against eversion resistance; pain w/ heel raise (or weakness); no calcaneal inversion w/ heel raises
Peroneal Tendonitis
- often seen after periods of inactivity followed by intensive workout
- Brevis-pain @ base of 5th met; Longus-pain @ cuboid area (DDx cuboid syndrome-subluxed) + base of 1st met, 2nd cune; both-pain post to lateral mall
Extensor Tendonitis
- often in skating + skiing
- weakness of ant compartment and/or tight post compartment
- ankle joint exhibits rapid PF (“foot slap”); excessive pronation plays a role
- Tx: modify activity; substitute activity; stretch/strengthen; ultrasound/phonophoresis; soft/rigid orthoses therapy
Ankle Sprains
- PF/Inv-15% of sports injuries
- Dx: anterior drawer; radio (stress test-10-20: ATFL; >20: ATFL + CFL); squeeze test (compress midcalf-tests tib/fib syndes)
- Ottawa Ankle Rules
- Tx: Acute phase (0-3days)-reduce edema, pain, spasm, cryotherapy, compression, elevation, exercise (NWB); Subacute phase (3d-3w): mobility, contractures, strength, proprioception, contrast baths + cryo, air cast, partial/full WB activities, exercise; Repairative phase (3w-3m): full function + return to sport, spot icing, brace, tape, orthoses
Ankle Sprain Grades
1st degree-strength?;splint?
2nd degree-stable; functional impairment; some joint laxity; splint + rehab indicated
3rd degree-unstable; repair; BK cast
Anterior Drawer Ankle Test
- supine; hand on tibia and hand on post calcaneus and pull up
- 4-5mm dev: ok; 8-10mm dev: ATFL; 11-15mm dev: ATFL, CFL, PTFL
Turf Toe
- sprain of 1st MTPJ
- commonly occurs while wearing flexible shoes on surface like artificial turf; usually caused by hyperextension force
- Tx: PRICE; avoid WB 2-4d; recovery is 3-4weeks
Effects of Immobilization
- Muscle: reduced size, force, and lengthening; increased CT
- Articular Cartilage, Bone: decreased mass, volume, strength
- Ligaments: decreased tensile strength (reduces more even after post-immobilization)
Musculoskeletal Impairments
- Pain
- Muscle Weakness
- Decreased Muscle endurance
- Limited ROM
- Faulty Posture
- Muscle Imbalance
- Joint Hypermobility
- CT Disorders
Interventions to Impaired Mobility
- ROM
- Self-stretching
- Neuromuscular Facilitation and Inhibition Techniques: inhibition of short mm.
- Muscle Energy Techniques: designed to lengthen muscle + mobilize joint
- Joint Mobilization/Manipulation
- Soft Tissue Mobilization
- Neural Tissue Mobilization
SAID Principle
Specific Adaptation to Imposed Demands
“Conventional” Approach to post-op rehab of achilles tendon repair
0-4weeks: BK cast (15-30 PFed)
@4weeks: begin WB in walking cast or functional brace (limiting DFion to neutral)
6-8weeks: CAM brace; begin AROM
Early Remobilization Approach to post-op rehab of achilles tendon repair
0-2weeks: WB as tolerated; AROM limited (15-30 PFed)
Brace or splint while WB until 6-8weeks
6-8weeks: progress to 10 DFion
Therapeutic Modalities in Inflammatory Stage
- Minimize secondary injury
- Decrease inflammatory response
- Limit edema
- control pain
- decrease functional loss
Therapeutic Modalities in Proliferative Stage
- Increase tissue perfusion
- Increase metabolic rate
- Control pain
- Decrease functional loss
- begin ROM progressive strengthening exercises
Therapeutic Modalities in Maturation Stage
- Optimize alignment of collagen fibers
- Control pain
- Decrease functional loss
- Treat decreased muscle performance
Thermotherapy Effects
- Hemodynamic: increase blood flow
- Neuromuscular: increased nerve conduction velocity; increased pain threshold (spinal gating mechanism)
- Metabolic: increased rate of enzymatic reactions (13% per degree)
- Increased Collagen Fiber Extensibility
Thermotherapy Uses
- Pain control
- increased ROM and decreased joint stiffness
- accelerated healing
- gating of pain transmission
- decreased muscle spasm
- reduced ischemia
Contraindications & Precautions of Thermotherapy
Contraindications 1. acute injury/inflammation 2. hemorrhage 3. Thrombophlebitis 4. Malignancy 5. pregnant Precautions 1. impaired circulation 2. poor thermal regulation 3. edema 4. cardiac insufficiency 5. metal
Hot Packs
- require coupling medium (towels)
2. treatment time: 10-30 min
Ultrasound
- frequency greater than 20kHz
2. treatment area 4 times surface area of soundhead
Nonthermal Effects of US
Increased…
- intracellular calcium: increased protein synthesis
- skin and cell membrane permeability
- mast cell degranulation
- histamine release
- macrophage responsiveness
- fibroblast activity: protein synthesis
Clinical Applications of US
- soft tissue shortening
- pain control
- dermal ulcers
- surgical skin incisions
- tendon injuries
- resorption of calcium deposits
- bone fractures
- plantar warts