CH 11 Ankle & Foot

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The Q angle is usually ___ or less for males and __ or less for females

15 20

Which of the following is not true regarding the rectus femoris, vastus medialis, vastus internedius, vastus lateralis?

All are superficial and palpable except vastus medialis

The most common serious knee ligament injury involves the ______

Anterior cruciate ligament

Which of the following muscles externally rotates the knee?

Biceps femoris

Which of the following is Correct regarding the patellofemoral joint?

Classified as an arthrodial type joint

Which of the following is not correct regarding menisci in the knee joint?

Decreases Stability

The rectus femoris is more powerful and extending the knee when the hip is in___

Extension

Which of the following muscles can perform extension of the great toe when concentrically concentrically contracting?

Extensor hallucis longas

T/F During both walking and running there is a point where neither foot is touching the ground

False

T/F Each toe has 3 interphalangeal joints except for the great toe which has only two

False

T/F Inversion is turning the ankle and foot outward away from the midline of the body where the weight is on medial edge of foot

False

T/F The cuboid bone is located medially with respect to the navicular bone

False

T/F The patella is classified as an "irregular"bone because it is embedded in the patellar tendon

False

T/F The lateral collateral ligament is more frequently injured then the other knee joint ligaments

False - ACL

T/F The hamstring muscles function as a decelerator of the knee when decreasing speed to change direction and especially when landing from a jump

False - accelerator

Which of the following muscles can perform flexion of the four Lester toes when concentrically contracting?

Flexor digitorum longus

Which of the following muscles can perform flexion of the great toe when concentrically contracting?

Flexor hallucis longus

Which of the following is the correct order starting from the most posterior aspect of the distal lower ankle/leg and moving medially

Flexor hallucis longus, flexor digitorum longus, tibialiss posterior

Which of the following muscles can perform knee flexion when concentrically contracting?

Gastrocnemius

Which of the following muscles may be palpated on the upper 1/2 of the posterior aspect of the lower leg?

Gastrocnemius

Which of the following muscles do perform plantar flexion?

Gastrocnemius, Soleus, Plantaris, Flexor hallucis/digitorum longus, Tibialis posterior, Peroneus longus/brevis

All the following are key bony landmarks for knee joint actions except

Gerdy's Condyle

Which of the following is true regarding the medial collateral ligament?

Maintains medial stability by resisting VALGUS forces or preventing knee from being abducted

Which of the following is not considered to be a muscular compartment of the lower leg?

Medial compartment

Which of the following muscles is included in the anterior compartment?

Peroneus tertius

The only uniarticular knee flexors is the___

Popliteus

Which of the following is not true regarding the hamstring muscle group?

Provides static stability to the knee joint

Which of the following muscles internally rotate the knee?

Semimembranosus

Which of the following muscles only performs plantar flexion?

Soleus

Which of the following is not correct regarding the knee joint proper?

Sometimes referred to as trochonginglymus joint Due to internal and external rotation occurring when in full extension

The vastus lateralis provides a ____ pull on the patella when contracting concentrically

Superolateral

Muscles that flex in the knee include all of the following except:

Tensor fascia latae- knee includes biceps femoris, sartorius and gracilis

Which of the following statements is not true regarding the tibiofibular joint?

The interosseus membrane is located around the tibia and fibula shafts to provide support

T/F All three of the vasti muscles of the quadriceps originate on proximal femur and is there on the patellar superior pole

True

T/F Articular Cartlidge is located on the surfaces of both the femur and tibia

True

T/F As the need approaches full extension it if you must externally rotate approximately 10° to achieve proper alignment of the tibial and some moral condyles

True

T/F Each toe has 3 phalanxes except for the great toe which has only two

True

T/F Extensor hallucis longus can perform weak inversion of the foot

True

T/F Heel-strike normally occurs by landing on the heel with the foot in supination and the leg in external rotation

True

T/F Pronation is a combination of ankle dorsiflexion, subtalar eversion and forefoot abduction

True

T/F Severe injuries at the tibiofibular joint can involve the posterior tibiofibular ligament, interosseous ligament, and interosseous membrane

True

T/F The biceps femoris is inserts primarily on the head of the fibula

True

T/F The fibula is not part of the ginglymus articulation of the knee joint

True

T/F The medial collateral ligament originates on the medial aspect of the upper medial femoral condole and inserts on medial tibial surface

True

T/F The most common type of ankle sprain results from excessive inversion that causes damage to lateral structures

True

T/F The only muscle involved in extending all of the metacarpophalangeal and interphalangeal joints of the 4 lesser toes is the extensor digitorum longus

True

T/F The sartorial, gracilis, and semitendinosus all insert just below the medial condole on upper anteromedial tibial surface

True

T/F The semimembranosus Is located posteromedially and internally rotate the knee

True

Which of the following is not considered to be one of the quadriceps muscle group?

Vastus medius


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