Chapter 7 Flashcards
How many phalanges are in the foot
14
How many metatarsals are in the foot
5
How many tarsals are in the foot
7
What is the hind foot
Calcaneus
Talus
What is in the forefoot
Metatarsals
Toes
What is the midfoot
Cuneiforms (medial, intermediate, lateral)
Navicular
Cuboid
Chubby Twisted Never Could Cha Cha Cha
Calcaneus
Talus
Navicular
Cuboid
Medial Cuneiform
Intermediate Cuneiform
Lateral Cuneiform
What is the ball of the foot made up of
Metatarsal
What is the most common site for fractures in the foot
Base of 5th metatarsal
What is the bottom foot called
Plantar surface
What is the top of the foot called
Dorsal surface
What is the attachment for the Achilles tendon
Posterior tuberosity of the calcaneus
What are the 3 facets on the superior portion of the calcaneus called
Anterior
Middle
Posterior
What is the strongest and largest bone in the foot
Calcaneus
What is the second largest bone in the foot
Talus
What bones do the talus articulate with
Tibia
Fibula
Calcaneus
Navicular
CR for AP toes
3rd metatarsalphalangeal joint
CR for AP oblique Toes
3rd MTP joint with 30°-45° medial rotation
CR for lateral toe
Lateromedial projection - 1st & 2nd
3rd toe can be either
Mediolateral projection - 4th & 5th
CR for AP foot
Midfoot
CR for AP medial oblique foot
Midfoot with 30° medial rotation
The medial rotation of the foot shows what the best
Lateral tarsals and metatarsals
The lateral rotation obliques of the foot shows what the best
Medial structures
CR for lateral foot
Midfoot with foot dorsiflexed.
What method is used to show the sesamoid bones in the foot
Tangential projection - Lewis & Holly Method
CR for Axial plantodorsal calcaneus
Base of 3rd metatarsal with foot dorsiflexed and 40° angulation towards the ankle
What do you use the axial plantidorsal calcaneus to see
Talocalcaneal joint open
CR for Axial Dorsoplantar Calcaneus
Enters dorsal surface of ankle joint with 40° angulation towards the heel
CR for lateral calcaneus
Mediolateral enterance into midcalcaneus
What is the ankle joint called
Tibiofibular joint
CR for AP ankle
Midway between malleoli with ankle flexed
CR for oblique ankle
Midway between malleoli with 45° medial rotation - make sure to rotate the entire leg.
CR for oblique ankle for mortise joint
Midway between malleoli with 15° medial rotation - make sure to rotate the entire leg
CR for lateral ankle
Mid ankle with ankle laterally rotated
What is the second largest bone in the body
Tibia
CR for AP tib/fib
Mid leg with foot flexed. - include both joints
CR for lateral tib/fib
Midleg - Roll patient on the effected side. Get both joints
What are the two joints of the knee
Patellofemoral joint
Femorotibial joint
What degree of angulation for AP knee with hip height 18 cm and below
5° caudad
What degree of angulation for AP knee with hip height 19-24 cm
Perpendicular to IR
What degree of angulation for AP knee with hip height 25 cm and above
5° cephalad
CR for intercondylar fossa (Beclere Method)
Knee joint has 60° angulation from the table - CR perpendicular to IR
CR for Settegast Method for Patella
cephalad into patellar apex with patient holding IR laying against femur
CR for Lateral knee
Flex knee 20-30° to open up joint spaced - patient rolled onto effected side.
CR for lateral and medial obliques for Knee
Roll leg laterally or medially with 5° angulation Cephalad.
What does a obliqued knee do
Moved patella outward depending on rotation
What is the largest sesamoid bone
Patella
Where is the patellar apex
Bottom of patella
What is the base of the patella
Top of the patella
CR for lateral patella
Patient lay on side with knee flexed 5-10°
What may you need to include both joints of the femur
May need two views (normal and frog leg hip)
CR for lateral femur
Midfemur with patient laying on effected side - include both joints (may need patient to move uneffected leg behind to include hip joint)
Important knee ligaments of the knee joint
Posterior cruciate ligament
Anterior cruciate ligament
Tibial collateral ligament
Fibular collateral ligament
What does the meniscus do
Acts as shock absorber
What age does the bony patella develop
3-5 years
Where is the meniscus located
Tibial plateau
In what position should the calcaneus not touch the IR
During a Lateral foot