AAO Exam 2 Questions and Answers Grade A+
What muscle unlocks the knee? - Answer-popliteus
True or False:
The rectus femoris, vastus medialis, and vastus lateralis are the prime movers of
knee extension. - Answer-true
True or False:
To stretch your hamstrings, extend your knee and flex your hip. - Answer-true
True or False:
Q-angles are bigger in women because they have wider pelvises. - Answer-true
If your gastrocnemius and soleus are weak, what phase of the gait cycle will you
be the weakest in? - Answer-heel-off
What muscle is used for heel strike? - Answer-tibialis anterior
What occupation is the least likely to increase sciatica? - Answer-washing dishes
while standing at a sink
What is sciatica? - Answer-L4-L5 nerve compressed that causes shooting pain
down the leg or in the lumbar back
What is the muscle that originates at the AIIS? - Answer-rectus femoris
The sartorius is a 2 joint muscle. What are its 2 actions? - Answer--hip
flexion/abduction/rotation
-knee flexion
The rectus femoris is a 2 joint muscle. What are its 2 actions? - Answer--flex the
hip
-extend the knee
The gastrocnemius is a 2 joint muscle. What are its 2 actions? - Answer--knee
flexion
,-ankle plantar flexion
The hamstrings are 2 joint muscles. What are their 2 actions? - Answer--hip
extension
-knee flexion
True or False:
The ACL flexes to prevent the tibia from moving forward on the femur. - Answer-
true
What is the test called to see if the ACL is intact? - Answer-anterior draw test
What is an anterior draw test? - Answer--hips flexed at 45
-knees flexed at 90
-pull tibia forward
-5 cm movment is positive for a tear
What is the test called to see if the PCL is intact? - Answer-posterior draw test
What is a posterior draw test? - Answer--hips flexed at 45
-knees flexed at 90
-push tibia back
-movement is positive for a tear
What nerve innervates the popliteus? - Answer-tibial nerve
The femoral nerve innervates what area? - Answer-anterior thigh
The sciatic nerve innervates what area? - Answer-posterior thigh
What is the condition that causes a softening of the knee cap? - Answer-
chondromalacia
True or False:
The semimembranosus is on top of the semitendinosus. - Answer-false
, True or False:
The pes anserinus is the sartorius, gracilis, and semitendinosus. - Answer-true
What muscles are the stirrup muscles? - Answer--tibialis anterior
-fibularis longus
If you are walking with a bent in your hip leaning forward, what muscle group is
tight? - Answer-hip flexors (quadriceps)
What occurs during gait if there is weakness in the hamstrings? - Answer-genu
recurvatum
What is foot slap? - Answer-dorsiflexors cannot support weight after heel strike
and move toward foot flat as they ineffectively contract
What does aging do to the gait cycle? - Answer-spend more time in stance phase
What is another name for fibular? - Answer-peroneal
If you are unable to dorsiflex, what nerve is impaired? - Answer-deep fibular nerve
What are the 4 bones of the pelvis? - Answer--sacrum
-coccyx
-2 innominate bones (ilium, ischium, pubis)
What are the joint movements of the sacroiliac joint? - Answer--nutation
-counternutation
What is nutation? - Answer-forward sacral flexion
(bending at the waist)
What is counternutation? - Answer-backward sacral extension
(pelvis forward and lean back)
The ASIS is best found when... - Answer-supine
When one leg drops, the _________ pelvis side is weak. - Answer-opposite
What muscle unlocks the knee? - Answer-popliteus
True or False:
The rectus femoris, vastus medialis, and vastus lateralis are the prime movers of
knee extension. - Answer-true
True or False:
To stretch your hamstrings, extend your knee and flex your hip. - Answer-true
True or False:
Q-angles are bigger in women because they have wider pelvises. - Answer-true
If your gastrocnemius and soleus are weak, what phase of the gait cycle will you
be the weakest in? - Answer-heel-off
What muscle is used for heel strike? - Answer-tibialis anterior
What occupation is the least likely to increase sciatica? - Answer-washing dishes
while standing at a sink
What is sciatica? - Answer-L4-L5 nerve compressed that causes shooting pain
down the leg or in the lumbar back
What is the muscle that originates at the AIIS? - Answer-rectus femoris
The sartorius is a 2 joint muscle. What are its 2 actions? - Answer--hip
flexion/abduction/rotation
-knee flexion
The rectus femoris is a 2 joint muscle. What are its 2 actions? - Answer--flex the
hip
-extend the knee
The gastrocnemius is a 2 joint muscle. What are its 2 actions? - Answer--knee
flexion
,-ankle plantar flexion
The hamstrings are 2 joint muscles. What are their 2 actions? - Answer--hip
extension
-knee flexion
True or False:
The ACL flexes to prevent the tibia from moving forward on the femur. - Answer-
true
What is the test called to see if the ACL is intact? - Answer-anterior draw test
What is an anterior draw test? - Answer--hips flexed at 45
-knees flexed at 90
-pull tibia forward
-5 cm movment is positive for a tear
What is the test called to see if the PCL is intact? - Answer-posterior draw test
What is a posterior draw test? - Answer--hips flexed at 45
-knees flexed at 90
-push tibia back
-movement is positive for a tear
What nerve innervates the popliteus? - Answer-tibial nerve
The femoral nerve innervates what area? - Answer-anterior thigh
The sciatic nerve innervates what area? - Answer-posterior thigh
What is the condition that causes a softening of the knee cap? - Answer-
chondromalacia
True or False:
The semimembranosus is on top of the semitendinosus. - Answer-false
, True or False:
The pes anserinus is the sartorius, gracilis, and semitendinosus. - Answer-true
What muscles are the stirrup muscles? - Answer--tibialis anterior
-fibularis longus
If you are walking with a bent in your hip leaning forward, what muscle group is
tight? - Answer-hip flexors (quadriceps)
What occurs during gait if there is weakness in the hamstrings? - Answer-genu
recurvatum
What is foot slap? - Answer-dorsiflexors cannot support weight after heel strike
and move toward foot flat as they ineffectively contract
What does aging do to the gait cycle? - Answer-spend more time in stance phase
What is another name for fibular? - Answer-peroneal
If you are unable to dorsiflex, what nerve is impaired? - Answer-deep fibular nerve
What are the 4 bones of the pelvis? - Answer--sacrum
-coccyx
-2 innominate bones (ilium, ischium, pubis)
What are the joint movements of the sacroiliac joint? - Answer--nutation
-counternutation
What is nutation? - Answer-forward sacral flexion
(bending at the waist)
What is counternutation? - Answer-backward sacral extension
(pelvis forward and lean back)
The ASIS is best found when... - Answer-supine
When one leg drops, the _________ pelvis side is weak. - Answer-opposite