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ch. 16-18 Flashcards

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1
Q

which of the following ligaments protect the knee from valgus stress and external tibial rotational forces

A

medial collateral

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2
Q

the Lachman’s test is used to evaluate stability of which of the following

A

anterior cruciate ligament (acl)

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3
Q

the machanism of injury that leaves the posterior cruciate ligament at greatest risk for injury is which of the following

A

landiing on the anterior aspect of the bent knee with the foot plantar flexed

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4
Q

the acl is most oftern injured during what phase

A

during deceleration with the knee in valgus and the tibia internally rotated

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5
Q

which of the following structures is the main source of stability in the knee

A

ligaments

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6
Q

the acl prevents with of the following

A

posteriior movement of the femur on the tibia in weight-bearing

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7
Q

which of the following is correct regarding an injury to the lateral collateral ligament

A

can be managed the same as an injury to the mcl

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8
Q

which of the following is a cause of chondromalacia

A

abnormal patellar tracking

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9
Q

after a first time patellar dislocation, the athlete is commonly immobilized for a minimum of how many weeks

A

4 weeks

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10
Q

which of the following structures have responsibility of cushioning the knee during impact activity

A

menisci (cartilage)

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11
Q

what is a rare site for a stress fracture in the femur

A

femoral shaft

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12
Q

an avascular necrosis of the femoral head seen in children 3 to 12 is called what

A

legg- perthes disease

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13
Q

in managing an initial hamstring strain, which of the following should be avoided

A

stretching using ballistic movements

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14
Q

a hip sprain is best revealed through the athlete’s inability to do what action

A

circumduct the thigh

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15
Q

in most athletes the hamstring group should have at least what percentage of the strength to the opposing quadriceps group

A

60-75

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16
Q

what is a common site for an avulsion fracture of the pelvis

A

anterior inferior iliac spine

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17
Q

pelvis stress fractures tend to occur during what type(s) of activity

A

all of the above

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18
Q

which of the following is an incorrect statement about an acute femur fracture

A

bone displacement is usually due to the great strength of the hamstrings

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19
Q

a positive thomas test indicates tightness in which muscle group

A

hip flexors

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20
Q

which of the following symptoms would be a negative response when performing straight leg raise test

A

inflexibility in the hip flexors

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21
Q

which of the following is the most important and most commonly injured bursa of the shoulder joint

A

subacromial bursa

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22
Q

which of the following muscles is not a part of the rotator cuff

A

deltoid

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23
Q

the empty can test is used to determine injury to what muscle

A

supraspinatus

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24
Q

prevention of shoulder injuries can be accomplished by all of the following except for which

A

development of extreme flexibility

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25
which of the following is the mechanism for an acromioclavicular sprain
a fall on an outstretched arm
26
when an athlete has suffered a clavicular fracture which of the following signs and symptoms will be apparent
all of the above
27
which of the following tests is used to check for glenohumeral instability
apprehension test
28
which of the following muscles major function is to assist with stabilization of the shoulder
rotator cuff
29
in which phase of the throwing motion is maximum external rotation achieved
cocking
30
an athlete comes off the field supporting an injured arm with the head tilted towaeds the injured shoulder and the chin turne towards the opposite side. which injury has likely been sustained
fractured clavicle
31
what direction does the shoulder most commonly dislocate
anteriorly
32
in a sternoclavicular sprain, the clavicle is generally displaced in what direction
upwardly and anteriorly
33
what direction is an athlete's arm in when an anterior glenohumeral dislocation occurs
abduction and external rotation
34
which of the following is known as the true shoulder joint
glenohumeral joint
35
which of the following rotator cuff muscles abducts the shoulder
supraspinatus
36
which of the following muscles allows for interal rotation of the tibia
popliteus
37
running, cutting, figure 8's are examples of what type of testing
functional
38
which of the following is the bursa that commonly becomes inflamed from overuse of the patellar tendon
deep infrapatellar bursa
39
a painful condition involving partial or complete separation of a piece of articular cartilage or subchondral bone is which of the following
osteochondritis dissecans
40
which of the following is a condition common to runners and cyclists charcterized by pain and irritation over lateral femoral condyle
iliotibial band syndrome
41
which of the following endpoints indicates a first-degree sprain to a ligament
firm with little or no instability and some pain present
42
an athlete who has immediate significant swelling following an injury is displaying signs consistent with an injury to which of the following
cruciate ligament
43
feeling of locking are associated with injury to which structure
cartilage
44
most injuries to the mcl result from blows to which aspect of the knee
lateral
45
what mechanism is most likely to injure the medial meniscus
a valgus force with rotation
46
what is the most common mechanism of injury for a patellar dislocation
the foot is planted and the knee is in valgus
47
a patella usually dislocates in what direction
lateral
48
which of the following conditions is NOT a problem associated with the extensor mechanism
osteochondritis
49
which type of brace can be used for patellar tendinitis
tendonesis strap
50
the quadriceps muscles primary job is to do which of the following
extend the knee
51
which of the following injuries would NOT cause a joint effusion
patellar tendinitis
52
improper care of a thigh contusion leading to incomplete absorption of the hematoma and producing a formation of similar to cartilage or bone is called
myositis ossification
53
an injury that results from a blopw to an inadequately protected iliac crest producing transitory paralysis of the soft tissue structures is known as what
hip pointer
54
repeated stress on the pubic symphysis and adjacent bony structures by the pull of muscles in the area causes what condition
osteitis pubis
55
which of the following is usually an unassociated sign of a fractured femur
shock
56
what is a condition found mostly in boys between the ages 10-17 who are likely tall and thin or obese tht produces motion restriction at the hip and also produced knee pain
slipped capital femoral epiphysis
57
a quadriceps contusion must be identified and treated early to prevent what condition
myotis ossificans
58
in an athlete who has suffered a second-degree quadriceps contusion, knee flexion is usually limited to what degree of motion
less than 90 degrees
59
strains are always a problem for athletes why do they tend to recur
inelastic scar tissue that lies down during the healing process
60
which of the following positions would the thigh be unable to do if the hip was dislocated
external rotation
61
which of the following types of tears in the quadriceps creates little disability and discomfort but causes some deformity of the anterior thigh
complete tear
62
which of the following is a complication of a hip dislocation
avascular necrosis
63
which of the following muscles extend the knee
rectus femoris
64
what is referred to as the "unhappy triad"
tear of the acl, mcl, and medial meniscus
65
which of the followin ligaments protect the knee from valgus stress and external tibial rotational forces
medial collateral
66
which of the following is the reason that impingement injuries occur
reduction of the space through which the supraspinatus muscle can pass
67
the acromion process is part of which bone
scapula
68
which of the following muscles is located on the posterior surface of the arm
triceps
69
what are the primary motions of the elbow joint
flexion and extension
70
the adolescent athlete who complains of sudden pain and locking of the elbow joint should be suspected of having which of the following conditions
ostochondritis dissecans
71
with most elbow dislocations resulting from falling on an outstretched hand, which way will the humerus dislocate on the ulnar and radius
posteriorly
72
what type of fracture results from the radius and ulna being forced backward and upward (hyperextension)
colles' fracture
73
forearm splints are seen most frequently
74
In which phase of the throwing motion are the external rotators of the rotator cuff contracting eccentrically?
deceleration
75

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