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Anatomy Leg
Lower Extremity One-liners
| Question | Answer |
|---|---|
| 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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