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035. My MSK Test 1 > Upper Extremity Arthrology > Flashcards

Upper Extremity Arthrology Flashcards

1
Q

Sternocalvicular Joint (Joint type, bones connected, ligaments)

A

Joint: Sellar (saddle) synovial joint

Bones: clavicular notch of manubrium and sternal facet of clavicle

Ligaments:

Costoclavicular L.

Anterior sternoclavicular L.

Posterior sternoclavicular L.

Interclavicular ligament

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2
Q

Acromioclavicular Joint

A

Joint: Planar Synovial Joint
Bones: Acromial facet on acromial end of clavicle and facet on acromion of scapula
Ligaments:

Coracoclavicular LL.: Trapezoid L/Conoid L.

Acromioclavicular L

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3
Q

Glenohumeral Joint

A

Joint: Spheroidal Synovial Joint
Bones: Glenoid cav. scapular head and head of humerus
Ligaments:

Glenoid Labrum (stengthens joint around)

Glenohumeral L (3)

Coracohumeral L

Transverse Humeral L.

Coracoacromial L

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4
Q

Elbow Joint

A

Joint: Ginglymus Synovial Joint
Bones: humeral condyle, trochlear notch of ulna, head of radius
Ligaments:

Humeral-ulnar joint

Ulnar collateral L of elbow

  • anterior band: strong/cord shaped
  • posterior band: weak/fan shapped
  • Oblique band: deepens socket

Radial collateral L of elbow

Bursae

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5
Q

Radioulnar Joint

A

Joint: Trochoid Synovial / Syndesmosis Fibrous / Trochoid Synovial (COMPOUND JOINT)
Bones: Radius and Ulna
Ligaments:

Prox: Annular L. / Oblique cord

Inter: Interosseous membrane

Dis: Articular Capsule/disc

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6
Q

Radiocarpal Joint

A

Joint: Condylar Synovial Joint
Bones: distal radius, articular disc of wrist, proximal caprals
Ligaments:

Palmar radiocarpal L

Dorsal radiocarpal L

Palmar Ulnocarpal L.

Dorsal Ulnocarpal L.

Radial collateral L of wrist

Ulnar collateral L. of wrist

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7
Q

Intercarpal Joint

A

Joint: Planar Synovial Joint
Bones: all carpals
Ligaments:

Posterior Intercarpal L.

Anterior Intercarpal L.

Pisohamate L. Pisoform & hook of hamate

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8
Q

Carpometacarpal Joint

A

Joint: Sellar (1st thumb) (saddle) Synovial Joint / 2-5 planar synovial
Bones: Trapezium b to 1st metacarpal
Ligaments:

Thumb: Palmar/dorsal carpometacarpal L.

2-5: Palmar/dorsal carpometacarpal L., Pisometacarpal L, Radiate Carpal L.

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9
Q

Intermetacarpal Joint

A

Joint: Planar synovial joints (4)
Bones: between bases of fingers 2-5 (1-4)
Ligaments:

Dorsal intermetacarpal L.

Palmar intermetacarpal L.

Interosseous Intermetacarpal L.

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10
Q

Metacarpophalangeal Joint

A

Joint: Condylar Synovial Joint
Bones: between metacarpals and proximal phalanx
Ligaments:

Medial collateral L (to body)

Lateral collateral L (to body)

Deep transverse metacarpal L (between each metacarpal/phalanx joint)

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11
Q

Proximal interphalangeal joint

A

Joint: ginglymus synovial
Bones: proximal phalanx to intermediate and distal (for thumb) phalanx
Ligaments:

medial collateral L

lateral collateral L.

Palmar L.

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12
Q

Distal interphalangeal joint

A

Joint: Ginglymus synovial joint (2-5)
Bones: intermediate head and distal base of phalanx
Ligaments:

Palmar L

Lateral collateral L

Medial collateral L.

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13
Q

Fascia : match fascia and what it covers

  1. Pectoral fascia
  2. Axillary Fascia
  3. Calvipectoral Fascia
  4. Deltoid Fascia
  5. Costocoracoid Membrane
A
  1. pectoralis maj M
  2. axilla
  3. pectoralis min M
  4. deltiod M.
  5. subclavius M.
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14
Q

Fascia: match which fascia covers what

  1. Brachial Fascia
  2. Antebrachial Fascia
A
  1. Musculature of brachium
  2. musculature of antebrachium
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15
Q

what are the layers of fascia starting from the skin (4)?

A

Skin

Fatty superficial fascia

deep superficial fascia

(brachial) fascia

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16
Q

What deep fascias keep the brachii (biceps/triceps) separate from eachother ant/post (2)?

A

Lateral intermuscular septum

Medial intermuscular septum (on either sides of the humerus)

17
Q

what is in the antebrachium that keeps the anterior muscle (flex) for the posterior (extensor musc)?

A

interosseous membrane (syndesmosis) between ulna and radius

18
Q

What is the difference between the flexor retinaculum (transverse carpal L.) and palmar capral L./extensor retinaculum in the wrist?

A

Palmar capral L & extensor retinaculum (keeps tendons down) are made of antebrachial fascia, and are focal thickening of deep fascia, while flexor retinaculum an actual ligament deeper down

19
Q

What is palmar aponeurosis and retinacula cutis in the hand?

A

Palmar aponeurosis is a focal thickening of skin, commonly a sheet of tendon to strengthen

Retinacula Cutis goes through aponeurosis to strengthen the skin to keep it in place so it is not like our dorsal hand skin

035. My MSK Test 1 (10 decks)

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