KIN 307 Exam 3

studied byStudied by 94 people
0.0(0)
get a hint
hint

1 / 186

encourage image

There's no tags or description

Looks like no one added any tags here yet for you.

187 Terms

1
New cards
2

What type of chain is hip/pelvic girdle complex?

closed

New cards
3

What is the name of the hip joint?

acetabular femoral

New cards
4

What makes the hip joint relatively stable?

Bony architecture, Strong ligaments, Large supportive muscles

New cards
5

How does the acetabular femoral joint function?

Functions in weight bearing, locomotion and has enhanced substantially but sacrifices its wide ROM

New cards
6

What is the classification of the hip joint?

ball and socket

New cards
7

What two things articulate to form the hip joint?

head of the femur and the acetabulum

New cards
8

What joins the two pelvic bones to form the pelvic girdle?

posteriorly by the sacrum

New cards
9

What three bones for the pelvic bone?

illium, ischium, and pubis

New cards
10

What joint does the sacrum and the pelvic bone form?

sacroiliac joint

New cards
11

What unites the sacrum and the pelvic bones to make them a strong joint?

ligaments

New cards
12

Where is the most common site for low back injury?

sacroiliac region

New cards
13

What type of joint is the sacroiliac joint?

synovial gliding or plane joint

New cards
14

How does the pelvic girdle differ for females?

Lighter, thinner, Wider in area, Wider, flatter sacrum

New cards
15

How do the pelvic bones join anteriorly?

amphiarthrodial articulation

New cards
16

What is the acetabulum?

cuplike area of the pelvis composed of 3 pelvic bones

New cards
17

Similar to glenoid fossa of shoulder joint, the acetabulum is lined around most of its periphery with a _______ to enhance stability and provide some shock absorption and aid in __________

labrum; buttress effect

New cards
18

What percentage of the head of the femur articulates with the acetabulum?

70%

New cards
19

which ligaments attach from deep in acetabulum to a depression in femoral head and slightly limits adduction?

Ligament of femur; round ligament or teres ligament

New cards
20

What holds the femur away from the pelvis?

the neck of the femur

New cards
21

What is the neck of the femur formed by?

cancellous trabecular bone and reinforced with cortical bone, particularly on the inferior portion

New cards
22

The angle of inclination

measured in the frontal plane and typically ranges from 90 – 135° degrees, with 125° considered average

New cards
23

coxa vara

<125 degrees

New cards
24

coxa valga

125 degrees

New cards
25

angle of anteversion

The angle of the femoral neck in the transverse plane

New cards
26

Excessive Anteversion

Femoral neck points more anteriorly

New cards
27

Retroversion

Femoral neck points more medially

New cards
28

Role of anterior musculature is primarily:

hip flexion

New cards
29

Role of posterior musculature is primarily:

hip extension

New cards
30

Role of medial musculature is primarily:

hip adduction

New cards
31

Role of lateral musculature is primarily:

hip abduction

New cards
32

Hip flexors:

Iliopsoas, Pectineus, Rectus femoris, Sartorius

New cards
33

Hip extensors:

Gluteus maximus, Biceps femoris, Semitendinosus, Semimembranosus

New cards
34

Hip adductors:

Adductor brevis, Adductor longus, Adductor magnus, Gracilis, pectineus

New cards
35

Hip abductors:

Gluteus medius, Gluteus minimus, Tensor fasciae latae

New cards
36

How many planes of movement does the pelvic girdle have?

3

New cards
37

Anterior/posterior pelvic rotation occurs in the:

sagittal plane

New cards
38

Anterior pelvic rotation accomplished by ____ and/or______

hip flexion; lumbar extension

New cards
39

Posterior pelvic rotation accomplished by ____ and/or ______

hip extension; lumbar flexion

New cards
40

Anterior pelvic rotation:

anterior movement of upper pelvis; iliac crest tilts forward in a sagittal plane; anterior tilt; downward rotation.

New cards
41

Posterior pelvic rotation:

posterior movement of upper pelvis; iliac crest tilts backward in a sagittal plane; posterior tilt; upward rotation.

New cards
42

Left lateral pelvic rotation:

in frontal plane left pelvis moves inferiorly in relation to right pelvis; either left pelvis rotates downward or right pelvis rotates upward; left lateral tilt

New cards
43

Right lateral pelvic rotation:

in frontal plane right pelvis moves inferiorly in relation to left pelvis; either right pelvis rotates downward or left pelvis rotates upward; right lateral tilt

New cards
44

Left transverse pelvic rotation:

in horizontal plane pelvis rotates to body's left; right iliac crest moves anteriorly in relation to left iliac crest, which moves posteriorly (counter clockwise)

New cards
45

Right transverse pelvic rotation:

in horizontal plane pelvis rotates to body's right; left iliac crest moves anteriorly in relation to right iliac crest, which moves posteriorly (clockwise)

New cards
46

Right/left lateral pelvic rotation occurs in the

frontal plane

New cards
47

Right/left transverse pelvic rotation occurs in the

transverse/horizontal plane

New cards
48

Standing on both feet and contracting hip flexors, the trunk and pelvis

rotates anteriorly

New cards
49

Lying supine and contracting hip flexors, the thighs _______ on the stable pelvis.

move forward into flexion

New cards
50

In lowering to sitting position, hip extensor muscles used ____ when pelvis and trunk move downward slowly on the femur and ________ when trunk is raised on femur (rising to standing position).

eccentrically; concentrically

New cards
51

What is the primary hip flexor?

iliopsoas group

New cards
52

What are the assistive hip flexors?

pectineus, tensor fascia latae, sartorius, rectus femoris

New cards
53

External rotators of the hip

gluteus maximus, biceps femoris (long head), deep external rotator group

New cards
54

Internal rotators of the hip

gluteus medius, gluteus minimus, tensor fascia latae, gracilis, semitendinosus, semimembranosus

New cards
55

What movements happen during anterior pelvic girdle rotation?

lumbar spine: extension, right hip motion: flexion, left hip motion: flexion

New cards
56

What movements happen during posterior pelvic girdle rotation?

lumbar spine: flexion, right hip motion: extension, left hip motion: extension

New cards
57

What movements happen during right lateral pelvic girdle rotation?

lumbar spine: left lateral flexion, right hip motion: abduction, left hip motion: adduction

New cards
58

What movements happen during left lateral pelvic girdle rotation?

lumbar spine: right lateral flexion, right hip motion: adduction, left hip motion: abduction

New cards
59

What movements happen during right transverse pelvic girdle rotation?

lumbar spine: left lumbar rotation, right hip motion: internal rotation, left hip motion: external rotation

New cards
60

What movements happen during left transverse pelvic girdle rotation?

lumbar spine: right lumbar rotation, right hip motion: external rotation, left hip motion: internal rotation

New cards
61

What is considered the largest joint in the body?

the knee joint

New cards
62

What type of joint is the knee joint and what actions is it capable of?

hinge; flexion, extension, internal rotation, external rotation

New cards
63

What articulates to form the knee joint?

Enlarged condyles of the femur articulate on enlarged condyles of the tibia

New cards
64

What are the articulations within the area of the knee joint?

Medial tibiofemoral, Lateral tibiofemoral, Patellofemoral

New cards
65

What is the patellofemoral joint?

patella is covered with thick hyaline cartilage on the posterior surface and slides in the trochlear groove of the femur; it functions in improving the angle of pull and centralizes forces

New cards
66

What bone bears all the weight of the femur?

tibia

New cards
67

What is the patella and what is its function?

sesamoid bone imbedded in quadriceps and patella tendon; Serves as a pulley to improve the angle of pull, resulting in a greater mechanical advantage during knee extension

New cards
68

What is the fibula?

serves as the attachment for knee joint structures. -Does not articulate with femur or patella -Not considered part of knee joint.

New cards
69

What produces dynamic stability of the knee joint?

Contractions of quadriceps and hamstrings

New cards
70

What produces static stability of the knee joint?

ligaments

New cards
71

what are the menisci of the knee and what are their functions?

form cushions between bones.fibrocartilage disks attached to tibia.Deepen tibial fossa to enhance stability (deepens joint contact by 70%)Thicker on outside border and taper down very thin to inside border.Absorbs Shock (also lessens friction in joint by 20%).Site of secondary muscle attachment.

New cards
72

What are the ligaments of the knee?

Role is to hold the femur in contact with the tibial plateau. Anterior Cruciate Ligament (ACL)Posterior Cruciate Ligament (PCL)Medial Collateral Ligament (MCL)Lateral Collateral Ligament (LCL)

New cards
73

What is the MCL?

Medial Collateral Ligament (MCL) maintains medial stability by resisting valgus forces or preventing knee from being abducted

New cards
74

What is the LCL?

Lateral Collateral Ligament (LCL) maintains lateral stability by resisting varus forces or preventing knee from being adducted

New cards
75

What is the ACL and PCl named for?

tibial attachment

New cards
76

What type of stability does the ACL and PCL provide?

anterior/posterior stability, as well as rotatory stability

New cards
77

The ACL prevents the femur from sliding _____ on the tibia or the tibia from sliding ________ on the femur

posteriorly; anteriorly

New cards
78

The PCL prevents the femur from sliding _____ on the tibia or the tibia from sliding _________ on the femur

anteriorly, posteriorly

New cards
79

Other stability of the knee joint:

Tendons of Pes Anserinus: Sartorius, Gracilis, & SemitendinosusMedial/Lateral retinaculumIliotibial band: thick, strong band of tissue connecting tensor fascia latae to femur and tibia

New cards
80

The screw home mechanism:

Automatic external rotation of tibia as the knee moves from 15° of knee flexion to full extension, this happens because of osteokinematics

New cards
81

What is the automatic external rotation caused by?

Larger medial femoral condyle.Longer anterior-posterior dimension of tibial medial condyle – through passive tension in ACL.Lateral pull of QuadricepsKnee is unlocked by the internal rotation function of the popliteus.

New cards
82

Quadriceps “Q” angle

angle formed by intersection of lines connecting: ASIS & mid-patellaTibial tuberosity & mid-patella

New cards
83

true or false: the “q” angle is larger in females than it is in males

true

New cards
84

Can higher “q” angles cause problems?

yes; lateral patellar subluxation or dislocation, patellar compression syndrome, chondromalacia, and ligamentous injuries

New cards
85

How can high “q” angles be maintained?

high levels of strength and endurance in vastus medialis so as to counteract lateral pull of vastus lateralis

New cards
86

genu varum

a Q-angle less than normal often leads to a “bowlegged” appearance

New cards
87

genu valgum

a Q-angle greater than normal often leads to a “knock-kneed” appearance

New cards
88

What type of muscles in the knee mostly made up of?

biarticulate muscles (hamstrings and rectus femoris)

New cards
89

What movements can the knee complete?

flexion/extension; internal/external rotation

New cards
90

What muscles extend the knee?

Rectus femoris, Vastus medialis, Vastus intermedius, Vastus lateralis

New cards
91

What muscles flex the knee?

Biceps femoris, Semimembranosus, Semitendinosus

New cards
92

What muscles assist in knee flexion?

Sartorius, Gracilis, Popliteus, Gastrocnemius

New cards
93

Two-joint muscles are most effective when either the origin or insertion is _______ to prevent movement in direction of the contracting muscle

stabilized

New cards
94

To a degree, muscles are able to exert greater force when ______ than when ________

lengthened; shortened

New cards
95

pes anserinus is formed by:

Gracilis, sartorius, and semitendinosus joined together distally

New cards
96

How do the Gracilis, sartorius, and semitendinosus provide dynamic stability in any knee rotation movement?

Their attachment to proximal tibia combined with posteromedial line of pull enables them (particularly external rotation once the knee is flexed and hip is externally rotated)

New cards
97

The _______ increases its total length and becomes a better flexor at knee when pelvis is rotated posteriorly and stabilized by abdominal muscles

sartorius (think about leaning back in a chair and crossing your leg vs leaning forward)

New cards
98

_______ inserts on lateral side of knee while _________ insert on medial side of knee

Biceps Femoris; semitendinosus & semimembranosus

New cards
99

What muscles externally rotate the knee?

biceps femoris

New cards
100

What muscles internally rotate the knee?

semitendinosus, semimembranosus, popliteus

New cards

Explore top notes

note Note
studied byStudied by 3 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 13 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 8 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 39 people
Updated ... ago
4.0 Stars(1)
note Note
studied byStudied by 20 people
Updated ... ago
5.0 Stars(2)
note Note
studied byStudied by 189 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 13 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 156 people
Updated ... ago
5.0 Stars(1)

Explore top flashcards

flashcards Flashcard51 terms
studied byStudied by 21 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard124 terms
studied byStudied by 20 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard101 terms
studied byStudied by 4 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard55 terms
studied byStudied by 5 people
Updated ... ago
5.0 Stars(2)
flashcards Flashcard170 terms
studied byStudied by 6 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard153 terms
studied byStudied by 16 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard150 terms
studied byStudied by 37 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard50 terms
studied byStudied by 1 person
Updated ... ago
5.0 Stars(1)