lower limb positioning
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The fibula articulates with the tibia at the? | show 🗑
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| show | 26
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| show | base of the 3rd metatarsal
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| show | mediolateral (lateral recumbent position)
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| Where should the CT enter on an AP projection of the ankle? | show 🗑
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| show | talus
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| show | dorsiflexion
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| Which method best demonstrates the patella in tangential projection? | show 🗑
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| show | AP oblique, 15-20 degrees, internal rotation
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| show | AP oblique in medial rotation
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| show | 20-30 degrees
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| What projections of the ankle are performed on a patient following an inversion or eversian injury? | show 🗑
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| For a lateral projection of the ankle, where should the CR enter? | show 🗑
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| What is not clearly demonstrated on an AP projection of the ankle? | show 🗑
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| show | axial (plantdorsal)
lateral (mediolateral)
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| The CR angle for a lateral projection of the ankle? | show 🗑
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| show | slightly to the medial side
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| The inferior aspect of the foot is termed? | show 🗑
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| show | perpendicular to the lower leg
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| What must be rotated for all oblique projections of the ankle? | show 🗑
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| show | calcaneous
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| What is the position of the femoral condyles when the leg is properly positioned for an AP projection? | show 🗑
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| Which projections of the foot will best demonstrate the structural status of the longitudinal arch? | show 🗑
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| show | medially, 15-20 degrees
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| show | base of the 3rd metatarsal
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| show | AP oblique, medial rotation
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| Which specific projections of the ankle are performed to diagnose a tear of the medial or lateral ligament? | show 🗑
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| Valgus and varus deformities of the knee can be evaluated with what projections? | show 🗑
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| Where is the CR directed for an AP projection of the knee? | show 🗑
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| How many tarsal bones are in the foot? | show 🗑
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| What is the 2nd largest bone in the body? | show 🗑
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| show | lateral malleous of the fibula, medial malleolus of the tibia, inferior surface of the tibia
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| show | femur
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| Often the leg is too long to fit on one IR, which joint(s) should be included on the IR when the site of the lesion is known? | show 🗑
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| show | epicondyles are perpendicular to the IR, Patella is perpendicular the the IR, leg is flexed 20-30 degrees.
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| How far should the IR extend beyond the ankle or knee joint for an AP projection of the leg? | show 🗑
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| show | 45 degrees
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| Which joint(s) should be clearly demonstrated on a lateral projection of the leg? | show 🗑
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| Where does the CR enter the knee for a lateral projection of the patella? | show 🗑
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| Which position is the patient placed in for a PA projection of the patella? | show 🗑
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| How many degrees of angulation are required to open the interphalangeal joint spaces of the otes on an AP projection? | show 🗑
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| show | over the posterior half of the tibia
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| show | 5
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| What is the CR angle for a PA projection of the patella? | show 🗑
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| show | 5-10 degrees
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| show | Homblad (PA axial) and Camp-coventry PA axial
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| The CR angulation for an AP oblique projection of the toes? | show 🗑
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| Where should the CR be directed for a PA projection of the patella? | show 🗑
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| The CR angulation for a lateral projection of the knee is? | show 🗑
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| show | zero
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| show | 2
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| show | 5-10 degrees laterally
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| show | 14
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| show | navicular
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| Name the tarsal bones that articulate with the metatarsals? | show 🗑
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| show | 5th metatarsal
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| show | intercondylar eminence
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| Which tibial condyle has a facet for articulation with the head of the fibula? | show 🗑
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| Name the large bony process that extends both medially and inferior from the distal end of the tibia? | show 🗑
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| show | femoraltibial, proximal
tibiofibular, distal
tibiofibular
tibiotalor
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| show | 30-45 degrees
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| show | dorsoplantar
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| show | axial projection
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| Which projection of the calcaneus, axial or lateral, best demonstrates the sinus tarsi? | show 🗑
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| the ankle joint is formed by articulations between? | show 🗑
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| show | subtalar joint
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| known as the anterior border of the tibia? | show 🗑
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| show | medial malleolus
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| what are the two prominent processes on the proximal end of the tibia? | show 🗑
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| two peaklike processes arising from the intercondylar eminence? | show 🗑
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| sharp projection between the two superior articular surfaces? | show 🗑
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| show | 9
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| show | flexion and extentsion
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| show | 30
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| name the lateral bone of the leg? | show 🗑
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Created by:
srehrauer
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