ANAT338-Bony Markings of Lower Extremities

iliac fossa

part of ilium

Origin: iliacus muscle

anterior superior iliac spine

part of ilium

Origin: sartorius

anterior inferior iliac spine

part of ilium

Origin: rectus femoris

greater sciatic notch

part of ilium

piriformis passes through, as well as superior gluteal vessel/nerve (superior) and sciatic nerve (inferior)

ischial tuberosity

part of ischium

Origin: semimembranosus, semitendinosus, long head of the biceps femoris, and the hamstring part of the adductor magnus (hamstrings)

lesser sciatic notch

part of ischium

Transmits the obturator internus tendon, the nerve to the obturator internus, and other vessels and nerves to the pelvis.

lunate surface

part of ischium

articular surface of acetabulum

acetabulum

part of ischium

articular surface of the pelvis that articulates with the head of the femur, and it is formed by all three bones

obturator foramen

part of pubis

Obturator artery, vein, and nerve pass through it.

head

this part of the femur articulates with the acetabulum

fovea

this part of the femur is the attachment site for the ligament of its head

greater trochanter

part of femur

Insertion: gluteus medius and gluteus minimus

Origin: vastus lateralis

lesser trochanter

part of femur

Insertion: psoas major and iliacus muscles as the iliopsoas

gluteal tuberosity

part of femur

Insertion: gluteus maximus

linea aspera

part of femur

Origin: vastus lateralis, vastus medialis, & short head of biceps femoris

Insertion: adductor longus, adductor brevis, hamstring part adductor magnus

medial/lateral condyles

part of femur that articulates with the tibia

medial epicondyle

part of femur

Attachment site for the medial collateral ligament (MCL)

Origin: medial head of the gastrocnemius

lateral epicondyle

part of femur

Attachment site for the lateral collateral ligament

Origin: lateral head of the gastrocnemius

intercondylar fossa

part of femur

Attachment site for the cruciate ligaments of the knee

patellar surface

part of femur

Articular surface, articulates with the patella

medial/lateral condyles

part of tibia

Articular surfaces, articulate with femur

fibular articular facet

part of tibia

Articular surface, articulates with the fibula

tibial tuberosity

part of tibia

Insertion: quadriceps muscle group

Gerdy’s tubercle

part of tibia

Insertion: iliotibial tract (band)

pes anserine insertion

part of tibia

Insertion: semitendinosus, sartorius, and gracilis

medial malleolus

part of tibia

Attachment site for ligaments of the talocrural (ankle) joint

head

part of fibula

Insertion point for the biceps femoris

lateral malleolus

part of fibula

Attachment site for ligaments of the talocrural (ankle) joint