Unit 2 Flashcards
What is fascia lata?
Deep fascia that invests the thigh
The Gluteal Region muscles are divided into two layers. What are they?
Superficial and deep
What is the Iliotibial tract?
The thickened lateral portion of fascia lata
Damage to the superior gluteal nerve affects____?
Stabilization
If the right superior gluteal nerve is damages, and the patient stands on the right leg and lifts the left leg, the pelvis will drop TOWARDS which side?
The left side
The Psoas major and Iliacus when combined is called what?
Iliopsoas
The thigh muscles are divided into anterior, medial, & ________ groups.
Posterior
The medial thigh muscles make up the _______ group
Adductor
The posterior thigh muscles make up the _________ muscles
Hamstring
T1-T12 are called__________.
Intercostal nerves
What makes up the cervical plexus?
C1-C4
What makes up the Brachial plexus?
C5-T1
What makes up the Lumbar plexus?
T12-L4
What makes up the sacral plexus?
L4-S4
All except ________ merge to form plexuses
T1-T12
The intermingling of nerve cell processes (axons) from ventral rami of different spinal cord levels is what?
Nerve plexuses
What are the plexuses associated with the lower limb?
Lumbar plexus and sacral plexus
What nerve is formed from the ventral rami of spinal cord levels L2-L4?
Femoral nerve
Femoral nerve is located superficial to the __________?
Iliacus muscle
The femoral nerve runs deep to the __________ to enter the anterior thigh.
Inguinal ligament
The obturator nerve also is formed from the ventral rami from spinal cord levels ________?
L2-L4
The obturator nerve runs medial to the ________.
Psoas major
The obturator nerve enters the medial thigh through the _________
Obturator foramen
What nerve is formed from ventral rami from spinal cord levels L4-S1?
Superior gluteal nerve
The superior gluteal nerve exits the pelvis through the ____________.
Great sciatic foramen
The superior gluteal nerve is in the __________, located superior to the __________.
Posterior gluteal region, piriformis muscle
What nerve is formed from ventral rami from the spinal cord levels L5-S2?
Inferior gluteal nerve
True or False: the inferior gluteal nerve exits the pelvis through the great sciatic foramen, just like the superior gluteal nerve.
True
The sciatic nerve is in the ___________, located inferior to the piriformis muscle
Posterior gluteal region
The sciatic nerve bifurcates into the __________ and _________ nerve.
Tibial, common fibular nerve
What nerve is formed from the ventral rami from spinal cord levels L4-S3?
Tibial nerve
True or False: the tibial nerve is medial division of the sciatic nerve
True
The tibial nerve bifurcates into the _________ and ________ nerve
Medial, lateral plantar
What are the divisions off the the tibial nerve that occurs deep to the abductor hallucis muscle?
Medial and lateral plantar nerves
True or False: The medial & lateral plantar nerves DOES NOT innervate all intrinsic muscles of the plantar surface of the foot
False
The medial plantar nerve innervates the ____________ & _____________.
Abductor hallucis muscle, flexor digitorum brevis
The lateral plantar nerve innervates what muscle?
Abductor digiti minimi
What nerve is formed from ventral rami of spinal cord levels L4-S2?
Common fibular nerve
True or False: common fibular nerve is the LATERAL division of the sciatic nerve
True
The common fibular nerve bifurcates into the ____________ & ________________
Superficial, deep fibular nerve
True or False: The common fibular nerve wraps around the neck of the fibula
True
The common fibular nerve innervates only the ______________ of the biceps femoris
Short head
True or False: the superficial fibular nerve is the LATERAL division of the common fibular nerve.
True
The superficial fibular nerve runs between the _____________ & ____________ muscle.
Fibularis longus, fibularis brevis
True or False: The deep fibular nerve is NOT the medial division of the common fibular nerve.
False
The deep fibular nerve travels between the ______________ & the _________________ muscle.
Tibialis anterior, extensor hallucis longus muscle
Foot drop affects what compartments?
Lateral and anterior compartments
What is damage to the common fibular nerve superficial to the neck of the fibula called?
Foot drop
Patient would be unable to ____________ the ankle AND _______________ all digits due to damage to the deep fibular nerve.
Dorsiflex, extend
Patient would be unable to ______________ the foot due to damage to the deep and superficial fibular nerves.
Evert
__________________ gives off the obturator artery, superior gluteal artery, inferior gluteal artery
Internal Iliac artery
______________ passes deep to the _____________ and continues into the thigh as _________________
External iliac artery, Inguinal ligament, femoral artery
_______________ is the major vessel for the lower limb
External iliac artery
The femoral artery passes posteriorly through the adductor hiatus to become _______________
Popliteal artery
Popliteal artery passes behind the knee within the popliteal fossa, reaches the popliteus, and divides into ____________ and ___________ tibial artery
Anterior, posterior
At the ankle, the anterior tibial artery becomes the ________________.
Dorsalis pedis artery
In the foot, the ______________ bifurcates into the __________ & _______________.
Posterior tibial artery, lateral, medial plantar artery
Superficial veins are located within the _____________ layer just deep to the skin. Both veins begin on the dorsum of the foot
Subcutaneous
_______________drains into the femoral vein
Greater saphenous vein
__________________ drains into popliteal vein
Lesser saphenous vein
_____________ is the triangular space in the superoanterior third of the thigh; found at the junction between the trunk and the lower limb.
Femoral Triangle
The __________________ superiorly borders femoral triangle
Inguinal ligament
_______________ laterally borders the femoral triangle
Sartorius muscle
_________________ medically borders femoral triangle
Adductor longus
_____________ is the most medial in the femoral triangle
Femoral vein
The second most medial in the femoral triangle is the _____________
Femoral artery
____________ is the most lateral in the femoral triangle
Femoral nerve
What is the compartment found between the quadriceps femoris muscles and the medial femoral muscles and is found deep to the sartorius muscle?
Adductor canal
The the adductor canal contains femoral artery, femoral vein, and _____________.
Saphenous nerve
_____________ is the diamond-shaped area in the back of the knee
Popliteal fossa
_____________ superolaterally borders the popliteal fossa
Biceps femoris
The ______________ & _________________ superomedially borders the popliteal fossa.
Semitendinosus & semimembranosus
____________________ inferolaterally borders popliteal fossa
Gastrocnemius, lateral head muscle
_____________________ inferomedially borders the popliteal fossa
Gastrocnemius, medial head m.
What are the contents of the Popliteal Fossa from deep to superificial?
Popliteal artery, popliteal vein, tibial nerve, common fibular nerve
_______________ is the relationships of structures located posterior to the medial malleolus
Tarsal tunnel
Tarsal tunnel is bound by the ________________
Flexor retinaculum
Tarsal tunnel begins at the ______________ and ends at the _______________
Medial malleolus, calcaneus
What are the contents of the tarsal tunnel (from the medial malleolus to calcaneus)
Tendon of tibialis posterior m. , tendon of flexor digitorum longus m. , posterior tibial a. , tibial n. , tendon of flexor hallucis longus m.
True or False: The knee joint is a synovial, modified, hinge joint that glides and rotates
True
What are the five ligaments that aid in supporting the joint:
- Patellar ligament
- Medial (tibial) collateral ligament
- Lateral (fibular) collateral ligament
- Anterior cruciate ligament
- Posterior cruciate ligament
_______________ connects the patella to the tibial tuberosity and strengthens joint anteriorly
Patellar ligament
__________________ Broad band connecting the medial epicondyle of the femur to the medial condyle of the tibia. Directly adhered to the medial meniscus
Medial (tibial) collateral ligament
__________________ narrow “cord-like” band connecting the lateral epicondyle of the femur to the head of the fibula. Separated from the lateral meniscus by the tendon of the popliteus m.
Lateral (fibular) collateral ligament
______________ attaches the lateral condyle of the femur to the anterior intercondylar area of the tibia and prevents anterior translation of the tibia in relation to the femur.
Anterior cruciate ligament
________________ attaches the medial condyle of the femur to the posterior intercondylar area of the tibia and prevents posterior translation of the tibia in relation to the femur
Posterior cruciate ligament
The knee has two semi-circular fibrocartilage structures that function as shock absorbers for the knee. What are they?
Medial meniscus and lateral meniscus
True or False: The medial meniscus is directly adhered to the medial collateral ligament
True
True or False: the lateral meniscus is separated from the lateral collateral ligament by the tendon of the popliteus m.
True
The unhappy triad involves injury to the:
Anterior cruciate ligament, medial collateral ligament, medial meniscus
ACL ruptures from ______________
Hyperextension
PCL ruptures from landing on _________________ with flexed knee
Tibial tuberosity