the lumbosacral plexus runs anterior to what landmark
quadratus lumborum
Which hip ligament is primarily responsible for limiting hip internal rotation and extension
ischiofemoral ligament
Which of the following is not found in the space behind the knee?
A. Sciatic nerve
B. Oblique popliteal ligament
C. Arcuate popliteal ligament
D. Popliteal artery and vein
A. Sciatic nerve
Quadratus plantae is innervated by what nerve
lateral plantar nerve
what is the purpose of having both a synovial and a fibrous component of the SI joint
allows for some movement at the SI joint but with lots of stability during gait to accept load
the thoracoabdominal nerves pass between what two muscles
internal oblique and transversus abdominis
What structures compose the medial boundary and floor of the femoral triangle?
medial border: adductor longus
floor: pectineus and iliopsoas
Bursae that connect to the synovial membrane and are therefore not freestanding are known as what?
False bursae
The deltoid ligament is primarily responsible for limiting what motion(s)?
ankle eversion
why are the femoral condyles covered in articular cartilage but the intercondylar notch is not
the femoral condyles are for weightbearing so they need the cartilage to promote smooth contact with the tibial condyles but the notch is where the ACL and PCL attach
the pancreas sits where in relation to the stomach
posterior
Which hamstring muscle does not have an origin on the ischial tuberosity
biceps femoris short head
T/F: the meniscus, ACL, and PCL are bathed in synovial fluid
false, the ACL and PCL are extra synovial
Pretty please name the structures that pass through the tarsal tunnel
tibialis posterior, flexor digitorum longus, posterior tibial artery and vein, tibial nerve, flexor hallucis longus
During the lower phase of a squat, gluteus maximus is undergoing what kind of contraction? What about rectus femoris?
Both contracting eccentrically
Which abdominal wall muscle does not attach to the thoracolumbar fascia
external oblique
Injury to the ASIS is LEAST likely to injure which of the following?
A. Sartorius
B. Rectus Femoris
C. Lateral Femoral Cutaneous Nerve
D. Tensor Fascia Latae
B. Rectus Femoris
The posterior aspect of the patella is covered in what kind of connective tissue
articular cartilage
the dorsalis pedis artery is a distal continuation of what artery? Where did this artery come from?
dorsalis pedis is a continuation of the anterior tibial artery which came from the popliteal artery
Name the action of a muscle innervated by a nerve that comes from L2-L4 anterior division fibers and has an attachment point on the pes anserinus
adduct hip and flex knee
T/F: the external oblique on one side of the abdomen connects to the internal oblique on the contralateral side. why?
so true. it allows for smooth, continuous rotation of the trunk
Your patient presents to you status post knife fight where he was slashed on the back of his knee! it's all slay though because he survived but he reports that his sural nerve was sliced. what symptoms would you expect to see given this?
impaired sensation on the posterolateral calf and lateral dorsum of foot
The common fibular nerve and its branches innervate what structures?
Superficial fibular nerve: lateral compartment muscles and skin on anteromedial dorsum of the foot
Deep fibular nerve: anterior compartment and dorsum of foot muscles and skin to webbed space between toes 1 and 2
Lateral sural cutaneous nerve: skin to lateral leg
Your patient is a 12,936 year old male complaining of numbness on the bottom of his foot. You also note that the arch of his foot has collapsed. His ankle plantar flexion strength is good. What nerve do you suspect is injured and where?
tibial nerve at the tarsal tunnel
An impaired L1 nerve root would likely lead to what dermatomal and myotomal symptoms
dermatomal: impaired sensation at inguinal ligament
myotomal: weakness with hip flexion