Osteology of the Leg Flashcards
what is the second largest bone in the body
tibia
tibia is the (medial or lateral) leg bone
medial
is the tibia a long or short bone
long bone
tibia consists of
Proximal extremity
Shaft
Distal Extremity
Tibia articulates with
Femur (knee joint)
Talus (ankle joint)
Fibula (tibiofibular articularion and tibiofibular syndesmosis)
tibial torsion
a measurement of the external torquing of the distal extremity of the tibia with respect to the proximal extremity
tibial torsion angle
between the bimalleolar line (line through the medial and lateral malleolus) and the bicondylar line
bicondylar line
line between the medial and lateral condyles of the tibial plateau
proximal extremity of the tibia expand to form
medial and lateral condyles
superior surface of tibia is called
tibial plateau
medial facet of tibia
egg shaped
lateral facet of tibia
nearly circular in shape
each facet of the tibia is
concave, menisci sit on the periphery, femoral condyles articulate with the center
intercondylar eminence
Is the spine of the tibia
Composed of a medial and lateral tubercle (intercondylar tubercles)
Is located between the 2 facets
anterior intercondylar fossa
is anterior to the intercondylar eminence
posterior intercondylar fossa
is posterior to the intercondylar eminence
tibial tuberosity location
Located on anterior surface of tibia
what muscle inserts onto tibial tuberosity
ligamentum patellae
where are the tubercles are located on the anterior surface of the tibia
Tubercle on the medial condyle
Tubercle on the lateral condyles
another name for tubercle on the lateral condyle of the tibia
Gerdy’s tubercle
transverse groove on the posterior surface of the medial condyle of the tibia is for insertion of what muscle
semimembranosus
medial surface of the tibia is rough for attachments of
capsule of the knee joint and tibial collateral lig
lateral surface of the tibia has an articular facet for
the head of the fibula (fibular articular facet)
describe the shaft of the tibia
triangular in shape in cross section with 3 borders (anterior, medial and lateral or interosseous) and 3 surfaces (M,L,P)
where does the anterior border of the shaft of the tibia begin and end
beings proximally to the tibial tuberosity and ends distally at the anterior border of the medial malleolus on the distal extremity
anterior border of the shaft of the tibia serves for attachments the
deep fascia
where does the medial border of the shaft of the tibia begin and end
begins proximally at the medial condyle and ends distally at the posterior border of the medial malleolus on the distal extremity
medial border of the shaft of the tibia serves as an attachment for
the deep fascia
where does the lateral or interosseous border of the shaft of the tibia begin and end
beings at the fibular facet and ends distally by bifurcating and forming the boundaries of the fibular notch on the distal extremity
lateral or interosseous border of the shaft of the tibia serves as attachment for
interosseous membrane
medial surface of the shaft of the tibia is bounded by
anterior and medial borders
medial surface of the shaft of the tibia serves as an attachment for
Deep fascia
Is subcutaneous
what muscles originate from the medial surface of the shaft of the tibia
NO MUSCLES ORIGINALE FROM MEDIAL SURFACE
what muscles insert on the medial surface of the shaft of the tibia
Sartorius
Gracilis
Semitendinosus
This forms pes anserinus
where does pes anserinus insert
on the superior portion of the medial surface of the shaft of the tibia
lateral surface of the shaft of the tibia is bounded by
the lateral and anterior border
what muscle originates from the lateral surface of the shaft of the tibia
Tibialis anterior
posterior surface of the shaft of the tibia is bounded by
medial and lateral borders
where is the soleal (or popliteal) line located
on the posterior surface of the shaft of the tibia
where does the soleal (or popliteal line) extend from
obliquely from behind the fibular facet to the junction of the upper and middle 1/3 of the shaft
where is the vertical ridge located
on the posterior surface of the shaft of the tibia
where does the vertical ridge extend to
distally from the middle o the soleal line to the junction of the middle and lower 1/3 of the shaft
—- is distal to the popliteal line
nutrient foramen
is the distal extremity of the tibia larger or smaller than the upper extremity
smaller
how many surfaces does the distal extremity of the tibia have
5 surfaces (anterior, posterior, medial, lateral and inferior)
—-is an inferior projection of the medial surface
medial malleolus
anterior surface of the distal extremity of the tibia serves for attachment of
the joint capsule of the ankle joint
posterior surface of the distal extremity of the tibia serves as an attachment of the
capsule of the ankle joint
posterior surface of the distal extremity of the tibia has a shallow groove for the tendon on
FHL
inferior surface of the distal extremity of the tibia is continuous with what surface
lateral surface of the medial malleolus
inferior sufrace of the distal extremity of the tibia articulates with
trochlear surface of the body of the talus
inferior surface of the distal extremity of the tibia is also known as
tibial plafond and is part of the ankle mortice or malleolar fork
where is the fibualr notch located
on the lateral surface of the distal extremity of the tibia
fibular notch is bordered by
anterior and posterior borders that are continuous with the interosseous border of the shaft
fibular shaft articulates with
the inferior portion of the notch
what ligament attaches to the superior portion of the fibular notch
the interosseous tibiofibular ligament
what tubercles are located on the inferior aspect of the borders on the lateral surface of the distal extremity of the tibia
Tubercle of Tillaux or Chaput on the anterior border
Posterior or 3rd malleolus on posterior border
medial surface of the distal extremity of the tibia is continuous with
medial surface of the shaft
medial surface is subcutaneous and serves as an attachment for
the deep fascia and medial ankle ligaments
how many surfaces and borders does the medial malleolus have
2 surfaces
2 borders
apex
medial surface of the medial malleolus serves for attachment of
the deep fascia
lateral surface of the medial malleolus has an articular surface for
the medial surface of the body of the talus
lateral surface of the medial malleolus is continuous with
inferior surface of the distal extremity
anterior border of the medial malleolus serves for attachment of the
deep fascia and capsule of the ankle joint
posterior border of the medial malleolus serves for attachment of
the deep fascia and capsule of the ankle joint
where is the medial malleolar sulcus located
on the posterior border of the medial malleolus
medial malleolar sulcus is for the tendons of
TP
FDL
apex of the medial malleolus is composed of
an anterior and posterior colliculus separated by an intercollicular groove
which colliculus of the medial malleolus is larger
anterior colliculus is larger and extends further inferiorly
apex of the medial malleolus serves for attachment of
the capsule and medial ligaments of the ankle joint
fibula is the – bone of the leg
lateral
is the fibula involved in the knee joint
no
Carries no weight, but serves for muscular attachments
fibula consists of
proximal extremity
shaft
distal extremity
fibula articulates with
Tibia (tibiofibular articularion and tibiofibular syndesmosis)
Talus (ankle joint)
the fibula is commonly used for
bone grafts
most commonly used area is near the nutrient foramen
proximal extremity or head of the fibula has an articular facet for
lateral condyle of the proximal extremity of the tibia
proximal extremity or head of fibula contains — located posteriorly
apex or styloid process
where is the neck of the fibula
where the head meets the shaft
the shaft of the fibula has — borders
3 borders (anterior, interosseous, posterior)
how many surfaces does the fibula have
3 surfaces (medial, lateral, posterior)
the posterior surface is divided into 2 area for muscular origin by
the cirsta medialis
the nutrient foramen of the fibula is located
on the posterior surface
the distal extremity of the fibula projects further inferiorly than the
medial malleolus
distal extremity of the fibula has how many surfaces and borders
2 surfaces
2 borders
1 apex
lateral surface of the distal extremity of the fibula serves for attachment of
deep fascia
medial surface of the distal extremity of the fibula has a triangular shaped articular facet for
the lateral surface of the body of the talus
malleolar fossa is — to facet
posterior
what ligaments attach to the malleolar fossa
posterior talofibular ligament
inferior transverse ligament
what ligaments attach to the anterior border of the distal extremity of the fibua
anterior talofibular ligament
calcaneofibular ligament
lateral malleolar sulcus is located on what border
posterior border
lateral malleolar sulcus for what tendons
fibularis (peroneus) brevis
fibularis (peroneus) longus
apex of the distal extremity of the fibula serves for attachment of the
calcaneofibuar lig
describe the patella
oval-triangular bone with the base superior and the apex inferior
—is located in the tendons of the quadriceps femoris muscle that articulates with the distal extremity of the femur
sesamoid bone
how many surfaces and borders is the patella composed of
2 surfaces (anterior, posterior) 3 borders (superior, medial, lateral)
what tendon covers the anterior surface of the patella
the quadriceps femoris tendon
what ligament attaches to the anterior surface of the patella
ligament patellae
what separates the patella from the skin
subcutaneous and prepatellar bursa
which patellar facet is larger
lateral facet is larger than medial and has less of a slope
what ligament attaches to the rough area below the patella facet
ligamentum patellae
superior, medial and lateral borders are rough for attachment of
quadriceps femoris
the patella commonly dislocated — due to —
laterally
angle of pull of the quadriceps
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