joint anatomy (chiro essentials pg40-44) Flashcards

(62 cards)

1
Q

What type of joint is the TMJ

A

Atypical synovial

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2
Q

What makes the TMJ an atypical synovial joint

A

The articulating surface has fibrocartilage instead of hyaline cartilage

It also has a intra-articular disc

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3
Q

In What compartment of the TMJ does Protraction/retraction occur

A

Upper compartment

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4
Q

In what compartment of the TMJ does elevation/depression occur

A

Lower compartment

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5
Q

What bones are involved in the TMJ

A

Mandible
Mandibular fossa
Articualr eminence of the temporal bone

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6
Q

What nerves innervate the TMJ

A

Auriculotemporal
Deep temporal
Masseteric branch of Mandibular division trigeminal

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7
Q

What type of joint is the Shoulder joint

A

Ball and socket (spheroidal) Synovial joint

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8
Q

What bones are involved in the shoulder joint

A

Glenoid fossa

Head of humerous

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9
Q

What innervates the shoulder joint

A

Axillary

Suprascapular nerve

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10
Q

What type of joint is the sternoclavicualr joint

A

Saddle (sellar), synovial with a intra-articualr disc

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11
Q

Even though the sternoclavicular joint is a saddle joint, how does it behave

A

Like a ball and socket

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12
Q

What covers the articular surfaces of the sternoclavicular joint

A

Fibrocartilage

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13
Q

What bones are involved in the sternoclavicular joint

A

Manubrium

Clavicle

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14
Q

What nerves innervate the sternoclavicular joint

A

Medial branch of the supraclavicular nerves

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15
Q

What type of joint is the elbow joint

A

Synovial Hinge (ginglymus)

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16
Q

What bones are involved in the elbow joint

A

Humerous
Head of radius
Trochlea of ulna

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17
Q

What nerves innervate the elbow joint

A

Radial

musculocutaneous nerves

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18
Q

What type of joint is the Proximal and Distal radio-ulnar joint

A

Synovial Pivot (trochoid)

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19
Q

What bones are involved in the Proximal and Distal radio-ulnar joint

A

Head of radius and notch of ulna (proximal)

Head of Ulna and distal radius (distal)

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20
Q

What nerves innervate the Proximal and Distal radio-ulnar joints

A

Median
Ulnar
Radial nerves

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21
Q

What type of joint is the wrist joint

A

Synovial condyloid (ellipsoid)

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22
Q

What bones are involved in the wrist joint

A

Radius
Scaphoid
Lunate

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23
Q

What nerves innervate the wrist joint

A

Radial
Median
Ulnar

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24
Q

What type of joint is the 1st carpometacarpal joint (thumb)

A

synovial saddle (selllar)

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25
What bones are invoveled in the 1st carpometacarpal joint
trapezium | 1st metacarpal joint
26
What nerves innervate the 1st carpometacarpal joint
Radial | Median nerve
27
What type of joint is the metacarpophalangeal joint
Synovial Condyloid (ellipsoid)
28
What bones are involved in the metacarpophalangeal joint
Head of metacarpal | Base of proximal phalanx
29
What muscle adducts the metacarpophalangeal joints
Palmer interossei (PAd)
30
What muscles abducts the metacarpophalangeal joints
Dorsal interossei (DAb)
31
What innervates the metacarpophalangeal joint
Median Ulnar radial nerves
32
What type of joint is the interphalangeal joint
Synovial hinge (ginglymus)
33
What bones are involved in the interphalangeal joint
Proximal and midde phalangeal joint | Middle and distal phalangeal joint
34
What type of joint is the hip joint
Synovial ball and socket (spheroidal)
35
What bones are involved in the hip joint
Acetabulum | head of femur
36
What nerves innervate the hip joint
Femoral Obturator nerve to quadratus femorus
37
What are the 4 ligaments of the hip joint
Round ligament of femur head Iliofemoral Pubofemoral Ischiofemoral
38
Which ligament of the hip is inside the joint
Round ligament of the head of the femur
39
What blood vessel is found in the round ligament of the head of the femur
Central foveolar artery in children (not in adults)
40
What hip ligament prevents hyperextension
Iliofemoral
41
What hip ligament prevents hyper-abduction
Pubofemoral
42
what hip ligament prevents hyperextension
Ischiofemoral
43
What type of joint is the knee joint
Synovial, modified hinge
44
What bones are involved in the knee joint
Femur | Tibia
45
What nerves innervate the knee joint
Femoral Tibial Common peroneal nerve
46
What are the two intra-articular ligaments of the knee
ACL | PCL
47
What does the ACL prevent
Anterior movement of tibia on the femur
48
Where does the ACL originate and where does it insert
Origin: Anterior intercondylar ridge Insertion: Medial aspect of lateral condyl of femur
49
What does the PCL prevent
Posterior movement of the tibial on the femur
50
Where does the PCL originate and where does it insert
Origin: posterior intercondylar ridge Insertion: lateral aspect of medial condyle
51
What are the two extra-articular ligaments of the knee
Medial collateral | Lateral collateral
52
What does the medial collateral ligament do
Prevents abduction stress
53
What does the lateral collateral ligament do
Prevent adduction stress
54
What are the two intra-articular discs
medial meniscus | Lateral meniscus
55
which meniscus of the knee is semilunar in shape
Medial meniscus
56
Which meniscus of the knee is nearly circular
Lateral meniscus
57
which meniscus of the knee is attaches to the medial collateral ligament
Medial meniscus
58
What type of joint is the ankle joint
Synovial hinge
59
What bones are involved in the ankle joint
Tibial Fibula Talus
60
What innervaes the Ankle joint
Tibial and deep peroneal nerve
61
What motions occur at the ankle joint
Flexion + extension
62
What motion of the foot occurs at the subtalar joint
Inversion + Eversion