Mechanical Principles Test 3- Muscles Flashcards

1
Q

Action of tensor fasciae latae muscle

A

abduction of hip, hip flexion, anterior pelvic rotation

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2
Q

Insertion of tensor fasciae latae

A

1/4 of the way down the thigh into the iliotibial tract, which in turn inserts onto Gerdy’s tubercle of the anterolateral tibial condyle

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3
Q

Origin of tensor fasciae latae

A

anterier iliac crest, surface of the ilium just below the crest

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4
Q

Action of Gluteus maximus muscle

A

Extension of hip, external rotation of hip, upper fibers assist in abduction, lower fibers assist in adduction, posterior pelvic rotation

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5
Q

Insertion of gluteus maximus

A

oblique-ridge on lateral surgace of the greater trochanter and iliotibial band of the fascia latae

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6
Q

Origin of gluteus maximus

A

posterior 1/4 of the crest of ilium, posterior surface of the sacrum and coccyx near the ilium, and fascia of the lumbar area

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7
Q

Action Semitendonosus muscle

A

flexion of knee, extension of hip, internal rotation of hip, internal rotation of flexed knee, posterior pelvic rotation

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8
Q

Insertion of semitendonosus

A

upper anterior medial surface of tibia

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9
Q

Origin of semitendonosus

A

ischial tuberosity

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10
Q

Action of semimembranosus

A

flexion of knee, extension of hip
internal rotation of hip
internal rotation of flexed knee
posterior pelvic rotation

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11
Q

Insertion of semimembranosus

A

posteromedial surface of the medial tibial condyle

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12
Q

Origin of semimembranosus

A

ischial tuberosity

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13
Q

Action of biceps femoris

A
flexion of knee
extension of hip
external rotation of hip
external rotation of flexed knee
posterior pelvic rotation
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14
Q

Insertion of biceps femoris

A

lateral condyle of tibia, head of fibula

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15
Q

Origin of biceps femoris

A

lower half of linea aspera
lateral condyloid ridge
ischial tuberosity

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16
Q

Action of adductor magnus muscle

A

adduction of hip
external rotation as hip adducts
extension of hip

17
Q

Insertion of adductor magnus

A

whole length of linea aspera
inner condyloid ridge
adductor tubercle

18
Q

origin of adductor magnus

A

edge of entire ramus of the pubis

ischium and iscial tuberosity

19
Q

Action of rectus femoris

A

flexion of hip
extension of knee
anterior pelvic rotation

20
Q

Insertion of rectus femoris

A

superior aspect of the patella

patellar tendon to the tibial tuberosity

21
Q

Origin of rectus femoris

A

anterior inferior iliac spine

groove (posterior) above the acetabulum

22
Q

Action of vastus lateralis

A

extension of knee

23
Q

Insertion of vastus lateralis

A

lateral border of patella

patellar tendon to tibial tuberosity

24
Q

Origin of vastus lateralis

A

intertrochanteric line
anterior and inferior borders of the greater trochanter
upper half of the linea aspera
entire lateral intermuscular septum

25
Action of vastus intermedius
extension of knee
26
Insertion of vastus intermedius
upper border of patella | patellar tendon to tibial tuberosity
27
Origin of vastus intermedius
upper 2/3s of anterior surface of femur
28
Action of vastus medialis
extension of knee
29
Insertion of vastus medialis
medial half of the uper border of the patella and patellar tendon to the tibial tuberosity
30
Origin of vastus medialis
whole length of the linea aspera | Medial condyloid ridge
31
Action of gastrocnemius
plantar flexion of ankle | flexion of knee
32
Insertion of gastrocnemius
posterior surface of calcaneus
33
Origin of gastrocnemius
posterior surfaces of two condyles of femur
34
Action of soleus
plantar flexion of ankle
35
Insertion of soleus
posterior surface of calcaneus
36
Origin of soleus
proximal 2/3s of posterior surfaces of tibia and fibula