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Anatomy Leg

Lower Extremity One-liners

Boundaries of femoral triangle Inguinal ligament, sartorius adductor longus
Structure immediately lateral to femoral sheath Femoral nerve
Structure immediately medial to femoral artery in femoral sheath Femoral vein
Contents of femoral canal Deep inguinal lymph nodes
Medial boundary of femoral ring Lacunar ligament
Structures that course throughout entire length of adductor canal Femoral artery and vein
Structures that course through only portion of adductor canal Saphenous nerve, nerve to vastus medialis, descending genicular vessels
Muscle that forms floor of popliteal fossa Popliteus
Muscle that is chief flexor at hip joint Iliopsoas
Muscle that prevents pelvis from tilting when walking Gluteus medius
Nerve affected when pelvis tilts to unsupported side during gait Superior gluteal n.
Muscles which extend the thigh and flex the leg Hamstrings
Muscle that extends leg Quadriceps femoris
Specific muscle that holds patella in place Vastus medialis
First portion of quadriceps femoris to atrophy with injury to femoral nerve Vastus medialis
Last portion of quadriceps femoris to recover following injury Vastus medialis
Muscle that unlocks knee joint Popliteus
Muscle affected with “foot slap” Tibialis anterior
Major spinal cord level of nerve affected causing foot slap L4
Chief invertors of foot Tibialis anterior and posterior
Chief evertors of foot Fibularis longus and brevis
Ligament that checks backward displacement of femur on tibia Anterior cruciate
Ligament laxity with positive valgus maneuver Medial collateral
Most commonly injured ankle ligament Anterior talofibular
Ligament stretched with “flat foot” Plantar calcaneonavicular (spring)
Joints for movements of inversion and eversion Subtalar and transverse Tarsal
Major artery to head of femur in adult Medial femoral circumflex
Nerve affected with fracture of head and neck of fibula Common fibular
Tendon affected with avulsion fracture of 5th metatarsal Fibularis brevis
Innervation of adductor magnus Obturator, tibial portion of Sciatic
Nerve affected with tarsal tunnel syndrome Tibial
Cutaneous innervation to medial side of foot Saphenous (L4)
Cutaneous innervation to lateral side of foot Sural (S1)
Cutaneous innervation of heel Tibial
Cutaneous innervation to dorsal aspect of web between toes 1 and 2 Deep fibular
Cutaneous innervation of most of dorsum of foot Superficial fibular
Major dermatome to big toe L4
Dermatome to small toe S1
Spinal level of patellar reflex L4
Spinal level of Achilles reflex S1
Locking of knee when walking suggests Meniscus injury
Major injury triad with lateral impact to knee Medial collateral, medial meniscus and anterior cruciate ligament
Created by: tessah10



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