Question Answer
How many bones are in the foot? 26 bones
Each portion of the bones that comprise the toes Phalanx/Phalanges
This digit is located medial. Also call first digit or hallux Great toe
Joint space between distal and proximal phalanges Interphalangeal Joint
Joint space between the metatarsals and phalanges. Commonly referred to as MP joint Metatarsophalangeal joint
Small bones found on the first digit. Usually develop around ages 8-12. Strengthen the foot in areas of stress Sesamoid bones
Digits 2-5 have how many phalanges on each digit? Three: proximal, middle, distal
Separates the metatarsals from the phalanges Metatarsophalangeal Joint
Separates the tarsals from the metatarsals Tarsometatarsal Joints
Laymana??s term a??heel,a?? bears weight. os Calcis/Calcaneus
The medial shelf of the calcaneus support the talus is known as the Sustentaculum Tali
The calcaneus possesses a _______ on the posterior aspect, looks like a hatchet. Tuberosity
Lies directly on top of the Os Calcis. The bone that articulates with the tibia to form the ankle joint. Talus (Astragalus)
Also known as the subtalar Joint. Junction of the talus and the calcaneus. Can be seen on the lateral view Talocalcaneal Joint
A small articular opening found in the area of the subtalar joint. Passageway for blood vessels and ligaments. Best demonstrated on oblique projection Sinus Tarsi
Lies directly anterior to the talus and medially to the cuboid. Navicular
Lies on the lateral side of the foot. It articulates distally with the 4th and 5th metatarsals and proximally with the calcaneus. Cuboid
Articulates distally with the 1st metatarsal and proximally with the navicular. Medial/1st Cuneiform
Articulates distally with the 2nd metatarsal and proximally with the navicular. Intermediate/2nd Cuneiform
Articulates distally with the 3rd metatarsal and proximally with the navicular. Lateral/3rd Cuneiform
Largest of the two bones in the lower leg. This bone and the talus comprise the ankle joint Tibia
Most distal portion of the tibia, found on medial aspect of ankle. Medial Malleolus
On the lateral aspect of the leg, sits a little posterior and smaller than the other bone of the leg. Non weight bearing bone Fibula
Most distal portion of the fibula, found on the lateral aspect of the ankle. Lateral Malleolus
Distal Joint located between tibia and fibula. Distal tibiofibular Joint
Rounded portion of the medial aspect of the tibia Medial condyle
Rounded portion of the lateral aspect of the tibia Lateral condyle
Flattened top of the tibia, hence the name Tibial Plateau
Two mountain looking projections on tibial plateau. Also called tibial spines Intercondylar Eminences
Anterior protuberance located on proximal tibia Tibial tuberosity
Joint space between proximal tibia and fibia Proximal tibiofibular Joint
Pulling of tendon between patella and tibial tuberosity Os Good Schlaters
Located between the condyles of the femur Intercondylar Fossa
Largest sesamoid bone in the body Patella
Large, rounded portion of the proximal femur located on the lateral aspect. Greater trochanter
Smaller protuberance on proximal femur. Lesser trochanter
Line on the anterior aspect of the femur that separates the two trochanters Intertrochanter line
Ridge of bone connecting two trochanters on the posterior aspect of the femur. Demonstrated on radiograph as a white line since it is more dense. Intertrochanter crest
What does ASIS stand for? Anterior Superior Iliac Spine
Cup shaped portion of the pelvis that receives the femoral head, 3 segments are fused together. Acetabulum
Portion of the spine that articulates with the pelvis Sacrum
Large holes in the bottom of the pelvis, serves as passageway for nerves and blood vessels. Obturator Foramen
Posterior portion of the pelvis. Bottom portion of obturator foramen, you sit on this area! Ischial Tuberosity
Junction of the two pubic bones Symphysis Pubis
The _________ bone is considered to be one side or one half of the pelvis. Innominate bone
Very pointy processes located posteriorly. Important landmark on pregnant women Ischial spines

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