Foot & Ankle - Lecture Flashcards
How many bones in the ankle?
28
How many sesamoid bones in the foot?
2
How many synovial joints in the foot and ankle?
30
What bone are part of the rearfoot?
Talus and Calcaneus
Midfoot = ?
Navicular
Cuboid
3 Cuneiforms
Forefoot = ?
14 bones of the toes
5 metatarsals
Medial and Lateral Sesamoids
T or F
The Distal Tibiofibular Joint is classified as a synchondrosis
False
Syndesmosis
Where is the common area of Diastasis in the foot and ankle?
Tibiofibular Joint
What type of joint is the Talocrural joint?
Synovial hinge or a modified sellar
What is the closed packed position for the Talocrural joint?
Weight-bearing dorsiflexion
What is the open packed position for the Talocrural joint?
Midway between supination and pronation
What type of joint is the Subtler Joint?
Synovial, bicondylar compunt joint consisting of two separate modified ovoid surfaces with their own joint cavities.
Subtalar Joint aka ?
Talocalcaneal Joint
What are the approximate degrees of inversion and eversion of the ankle?
20 degrees inversion
10 degrees eversion
Describe the movement changes with chronic arthritic conditions compared to traumatic arthritis
Chronic = limitation of inversion Traumatic = limitation of eversion
T or F
The close-packed position for the subtalar joint is full eversion
False
Full inversion
What is the open packed position of the subtalar joint?
inversion/plantarflexion
Name the ligaments that provide deep support for the Talocalcaneal Joint
Interosseous cervical and axial ligaments often referred together as the interosseous ligaments
T or F
The calcaneocuboid joint is a compound modified ovoid joint
False
Simple synovial modified seller joint
Spring ligament is also called?
Plantar Calcaneonavicular
The spring ligament connects what structures?
Navicular to the sustentaculum tali on the calcaneus
What is the difference between the 1st inter metatarsal joint compared to the 2nd, 3rd, & 4th
1st = simple synovial modified ovoid joint others = compound joints
T or F
The IP joints are classified as simple, synovial or modified ovoid joints
False
This is describing the MTP joints
IP = simple synovial modified sellar