Final Exam Flashcards
Lower frequency = increase ____ and decreased _____
penetration and resolution
Superficial to deep structures seen in MSK
skin
subq fat
muscle
bursae
tendon
cartilage
bone
Appearance: bone
hyperechoic
Appearance: cartilage
anechoic
Appearance: tendon
echogenic
Appearance: bursae
anechoic
Appearance: muscle
speckles echoes/ bands, bundles
Appearance: synovium
hypoechoic
Appearance: capsule
hypoechoic
Appearance: ligament
hypoechoic
Appearance: nerves
honeycomb
What is the normal size of bursae
less than 2mm
Tendon footprint includes ____ and ____
conformity and uniformity
Artifacts in MSK
anisotrophy, comets tail, foreign body shadowing
Most common artifact in MSK
anisotrophy
Anisotrophy is _______ dependent
directionally
The 1cm avascular area prox to the greater tuberosity
critical zone
Where 90% of rotator cuff pathology occurs
critical zone
Rotator cuff muscles
- subscapularis
- supraspinatus
- infraspinatus
- teres minor
bones of shoulder
- scapula
- clavicle
- humerus
Normal supraspinatus thickness
6mm
Pt position for supraspinatus
modified crass
Probe position for supraspinatus
long @ 2
trans @ 10
on shoulder cap
Trans supraspinatus Appearance
tire on wheel
long supraspinatus Appearance
beak
Types of tears
bursal, artucular, intratendinous, PASTA, full thickness
PASTA stand for….
partial articular supraspinatus tendon avulsion
Biceps tendon pt position
modified crass then hand on lap with palm up
Probe position for biceps tendon
trans @9
long @12
fron of shoulder
Normal bicep tendon thickness
<5mm
Prox bicep tendon tear aka
popeye muscle
Distal bicep tendon tear aka
reverse popeye sign
infraspinatus pt position
arm adducted with internal rotation
probe position for infraspinatus
long @8 on posterior/lateral shoulder
bones of elbow
- humerus
- radius
- ulna
Tendons of elbow
- lateral
- posterior
- medial
Which elbow tendon is associated with tennis elbow
lateral
Which elbow tendon is associated with golfers elbow
medial
Nerves of elbow/wrist
- median
- radial
- ulnar
Antecubital fossa pt position
supine, arm bent, palm up
What structures are in the ‘pyramid’
biceps, brachioradialis, brachialism pronator teres, radial head, ulnar notch
Triceps tendon pt position
crawling crab
probe position for triceps tendon
marker @12, probe on elbow tip
Pt position for wrist (median nerve)
arm rested on pillow, relaxed
Probe position for wrist
trans @9 on radial side then move up 12cm (4.7inches)
What muscle is the median never superficial and medial to
flexor pollicis longus
Carpal tunnel equation
prox nerve diameter / distal nerve diameter
> ____ is positive for carpal tunnel
1.4
Dorsal
back of hand
ventral
front of hand
Are ganglion cysts more common on ventral or dorsal side?
dorsal
What is the sticking and stop and go feeling in the thumb?
Dequervians Tenosynovitis
What are rope like cords in the palm that pull fingers to the hand?
Dupuyrens contracture
Quad muscles
- rectus femoris
- vastus lateralis
- vastus medialis
- vastus intermedius
Quad / patellar tendon pt position
supine with knee bent
Quad / patellar tendon probe position
long @12
trans @9
probe touching knee cap
Normal patellar tendon thickness
3-3.4mm
What tendon is affected with jumpers knee?
patellar
Where is osgood-sclatters located
deep infrapatellar bursa
What conditions occur in the subc bursae
housemaids and vicars knee
Pop fossa / bakers cyst pt position
prone/ frog legged
Pop fossa / bakers cyst probe position
trans @9
What vessels are interogated in the pop fossa
Pop artery, pop vein, gastrocs, LSV
What must be demonstrated in a vascular assessment?
compressibility and flow
Bakers cyst pain is similar to….
DVT, Popliteal artery aneurysm, occlusion
Bakers cyst results from….
arthritis, tear, injury
Bakers cyst are on the ____ side of the pop fossa
medial
What feature do all bakers cyst have?
distinct neck of origin with synovial cavity
Where does the sciatic nerve course?
through piriformis muscle and down posterior thigh
branches of sciatic nerve
tibial and peroneal
Which branch of the sciatic nerve is more medial
tibial
causes of sciatica
piriformis syndrome
hip degeneration
spinal disc herniation
Hip level compression of sciatic nerve is called….
piriformis syndrome
Achilles tendon connects these 3 muscles
- plantaris
- gastrocs
- soleus
Length of recovery for achilles tendon tear
12-16 months
Where do achilles tendon tears occur
6-7cm prox to insertion
Normal achilled tendon thickness
5.5-6.5mm
Pt position for achilles tendon
prone
Probe position for achilles tendon
long @12
trans @9
U/S Guidance you must be ____ to the probe
parallel
Pelvis bones
- illium
- ischium
- pubis
Capsular ligaments
- iliofemoral
- ischiofemoral
- pubofemoral
Strongest capsular ligament
iliofemoral
Abdominal muscles attach to
iliac crest
Tensor fascia lata and sartorius attach to
ASIS
Rectus femoris attach to
AIIS
Gmed and Gmin attach to
greater trochanter
iliopsoas attach to
lesser trochanter
hamstrings attach to
ischial tuberosity
adductors attach to
pubic bone
Causes of hip joint effusion
trauma, osteoarthritis, rheumatoid arthritis, infection
The femoral neck to the edge of the joint capsule is known as the
capsulsynovial distance
Abnormal capsulsynovial distance for adult
> 7mm
Abmormal capsulsynovial distance for child
> 5mm
Abnormal capsulsynovial distance difference
> 2mm
Abnormal capsulsynovial fluid
> 2mm
most common cause of hip pain in children ages 2-5
transient synovitis
Test to diagnose tight IT band
obers test
sensory branch of lumbar plexus
LFCN