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Anatomy 2 > Lecture 5: Arthrology, Tendons, & Ligaments of the Thoracic & Pelvic Distal Limb (Exam 1) > Flashcards

Lecture 5: Arthrology, Tendons, & Ligaments of the Thoracic & Pelvic Distal Limb (Exam 1) Flashcards

1
Q

Define the distal limb

A

The portion of the limb extending from the carpus or tarsus down

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2
Q

Where is the carpal joint located

A

Between the radius & the metacarpal bones

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3
Q

What kind of capsule surrounds the entire carpus

A

Fibrous capsule

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4
Q

What type of capsules separate the different joints w/in the carpus

A

Synovial capsules

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5
Q

Describe the radiocarpal joint

A
  • Btw/ the radius & proximal carpal row
  • Joint is independent
  • has a large range of motion but primarily flexion & extension
  • Hinge joint
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6
Q

Describe the medicarpal joint

A
  • Connects the proximal & distal rows of the carpal bone
  • Shares a synovial joint capsule w/ the intercarpal & carpometacarpal joint
  • Hinge joint
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7
Q

Describe the carpometacarpal joint

A

Joint that connects the distal row of carpal bones to the metacarpal bones (Plane joint)

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8
Q

Describe intercarpal joints

A
  • A plain synovial joint w/ limited movement
  • In btw/ the individual carpal joints in the same row
  • Plane joint
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9
Q

Label the following

A
  • A = Radiocarpal joint
  • B = Fibrous carpal joint
  • C = Medicarpal joint
  • D = Carpometacarpal joint
  • E = Intercarpal joint
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10
Q

Where are joint injections commonly performed

A

In the radiocarpal & midcarpal joints

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11
Q

Describe the metacarpophalangeal joint

A
  • Compound hinge joint
  • Small dorsal recess & large palmar recess
  • Great range of movement
  • Has colateral ligament
  • Fetlock
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12
Q

Describe the proximal interphalangeal joint

A
  • Saddle joint
  • Colateral ligaments
  • Pastern
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13
Q

Describe the distal interphalangeal joint

A
  • Saddle joint
  • Coffin
  • Colateral ligaments
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14
Q

Label the following:

A
  • A = Metacarpophalangeal joint (fetlock)
  • B = Proximal interphalangeal joint (Pastern)
  • C = Distal interphalangeal joint (coffin)
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15
Q

What is indicated by the black star

A

Small dorsal recess & large palmar recess

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16
Q

Label the following:

A
17
Q

What is the OINA of the superficial digital flexor

A
  • O: Medial epicondyle of the humerus & radius (Proximal accessory ligament)
  • I: Flexor surfaces of proximal & middle phalanges
  • N: Ulnar n.
  • A: Flex the digit (proximal interphalangeal joint) & carpus; extend the elbow joint
18
Q

What is the OINA of the deep digital flexor

A
  • O: Medial epicondyle of the humerus (humeral head; distal accessory ligament), olecranon (ulnar head), & radius (radial head)
  • I: Flexor surface of the distal phalanx
  • N: Median & ulnar n
  • A: Flex the digit & carpus; extend the elbow joint
19
Q

What is the name of the green muscle & the red muscle

A
  • Green = superficial digital flexor
  • Red = Deep digital flexor
20
Q

Label the ligaments & tendons

A
21
Q

Label the scrutums

A
22
Q

Label the following:

A
23
Q

What ligament is an important part of the stay apparatus

A

Interosseous ligament or suspensory ligament

24
Q

Label the parts of the medius inerosseous

A
25
Q

Label distal sesamoid ligaments

A
26
Q

What are the sesamoid ligaments of the metacarpophalangeal & distal interphalangeal joints

A
  • Intersesamoidean
  • Collateral sesamoid ligaments (later & medial)
  • Short sesamoid ligaments
  • Impair sesamoid ligament
27
Q

Label the digit deep ligaments

A
28
Q

Label the following

A
29
Q

Label the annular ligaments (retinacula)

A
30
Q

What are the differences btw/ the distal pelvic limb than the distal thoracic limb

A
  • Proximal accessory (check) ligament is absent that function is supplied by the insertion of the tendon in the calcanean tuber
  • Distal accessory (check) ligament is thinner & sometimes absent
  • SDF tendon attaches to the calcanean tuber & then continues distally w/ similar insertion in the digit
  • DDF tendon slides over the sustentaculum tali of the calcaneus
31
Q

Label the ultrasound

A

Anatomy 2 (14 decks)

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