final #2 Flashcards
the borders of the popliteal fossa?
HAMSTRINGS, GASTROCNEMIUS
What is a (Morrant’s) Baker’s Cyst?
ESCAPED SYNOVIAL FLUID IN AN ENCLOSED MEMBRANOUS SAC THAT IS PROTRUDING THROUGH THE JOINT CAPSULE OF THE KNEE.
can you see a Baker’s cyst with knee flexed or extended?
Extended
- What are plica?
REMNANT OF 3 SEPARATE CAVITIES IN THE SYNOVIAL MESENCHYME
- Retinacula in the knee are extensions of what?
VASTUS LATERALIS & MEDIALIS
major muscles that act on the knee joint complex?
GASTROCNEMIUS, HAMSTRINGS, QUADRICEPS, POPLITEUS, ADDUCTORS
- What is Helfet’s Helix?
KNEE CANNOT FULLY EXTEND WITHOUT SOME AMOUNT OF EXTERNAL TIBIAL ROTATION ON THE FEMUR
the screw home mechanism of the knee?
TO REACH FULL EXTENSION, THE MEDIAL SIDE OF THE TIBIA MUST ROTATE LATERALLY AROUND THE LATERAL FEMORAL CONDYLE. LATERAL ROTATION ALLOWS THE MEDIAL FEMORAL CONDYLE TO COMPLETE THE EXTENSION POSITION OR “LOCK THE JOINT HOME” IN FULL KNEE EXTENSION.
- Where is the foot in a closed kinetic chain?
ON THE GROUND
- Arteries of the leg: ANTERIOR
ANTERIOR TIBIAL ARTERY
Arteries of the leg: POSTERIOR
POSTERIOR TIBIAL ARTERY. POPLITEAL ARTERY IN THE KNEE.
- Nerves of the leg: LATERAL PORTION
SUPERFICIAL PERONEAL NERVE
Nerves of the leg: POSTERIOR PORTION
TIBIAL NERVE. ANTERIOR PORTION: DEEP PERONEAL NERVE.
Primary MOIs in the knee
direc\t trauma, varus/valgus force, hypere
- What can refer pain to the knee?
LUMBOSACRAL REGION, HIP
How many bones, articulation. and
28 BONES 55 ARTICULATIONS /30
- In addition to sustaining substantial forces, the foot & ankle serve to convert the rotational movements that occur with weight bearing activities into what types of movements?
SAGITTAL, FRONTAL, TRANSVERSE
- Where are the 2 sesamoid bones in the foot?
BENEATH THE 1st MTP
a) Rearfoot/Hindfoot?
TALUS & CALCANEUS
b) Midfoot
NAVICULAR, CUBOID, CUNEIFORMS
c) Forefoot
METATARSALS, MEDIAL & LATERAL SESAMOIDS
- What type of joint is the distal tibiofibular joint?
SYNDESMOSIS
- The talocrural joint is found b/w what bones?What type of joint is it?
B/W TALUS & DISTAL TIBIA. MODIFIED SELLAR/SYNOVIAL JOINT
What type of joint is the subtalar joint
SYNOVIAL, BICONDYLAR
- When you have foot supination, where is the big toe?
off the ground
- What is most limited clinically in traumatic arthritis, inversion or eversion?
eversion