7/17 Lecture Flashcards
Posterior thigh, Popliteal fossa
Which gender has a bigger Q Angle?
Female
Coxa Vara: What degrees and what does it produce?
90-110 degrees, bow legged
Coxa Valga: What degrees and what does it produce?
150-160 degrees, knock knees
All hamstring muscles attach to the:
ischial tuberosity
What 3 muscles make up the hamstrings?
Biceps femoris, semitendinosus, and semimembranosus
Main action of Semitendinosus and semimembranosus muscles
Flex and medially rotate the leg; extends the thigh
Main action of Biceps femoris muscle
Flexes and laterally rotates the leg, also extends the thigh
Innervation of semitendinosus and semimembranosus muscles:
Tibial branch of sciatic nerve
Innervation of Biceps femoris, long head and short head:
Long: tibial division of sciatic nerve
Short: common fibular division of sciatic nerve
The knee is an extensor and a flexor (T/F)
True
Which meniscal usually tears?
Medial (tibial)
What is the unhappy triad of the knee that tears from a lateral blow?
ACl, medial collateral, and medical meniscus
Which artery is the most common place for DVT?
Popliteal
Two motion tests for the Anterior Cruciate ligament (ACL):
Anterior Drawer Test and Lachmans Test
Which test is most specific for ACL tears?
Lachmans
Posterior Cruciate Ligament tests (PCL)
Posterior Drawer test (positive if tibia displaces)
Valgus checks:
Medial/Tibial
Varus checks:
Lateral/Fibial
Collateral ligament test:
Apley Distraction (positive if pain or decreased movement)
What kind of test does the examiner push the patella toward the table while the patient contracts the quadriceps muscle
Patellar Grind Test
Why is the plantaris tendon important?
Used for tendon transplants
