Practical 1- The Pectoral Girdle And Shoulder Flashcards

1
Q

what is the pectoral girdle made up of

A

clavicle and scapula

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2
Q

what is a synovial joint

A

Joints that contain an articular capsule surrounding a joint between two bones filled with synovial fluid
- the articulating surfaces of the bone are covered by a thin layer of articular cartilage

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3
Q

function of a synovial joint

A

allows for smooth movement between the adjacent bones eg, knee

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4
Q

Name of the fossa on anterior surface of scapula

A

sunscapular fossa

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5
Q

name of the fossa on the posterior surface of the scapula above the scapular spine

A

supraspinous fossa

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6
Q

name of the fossa on the posterior surface of the scapula under the scapular spine

A

infraspinous fossa

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7
Q

name of the process on the anterior aspect of the scapula

A

corocoid process

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8
Q

name of the process on the posterior aspect of the scapula

A

acromoin

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9
Q

what does the head of the humerus articulate with to form the glenohumeral joint

A

gelnoid fossa of the scapula

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10
Q

where is the greater tubercle

A

found on the lateral part of the humerus

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11
Q

where is the lesser tubercle

A

on the anterior part of the humerus

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12
Q

where is the deltoid tuberosity found

A

on the lateral aspect of the humerus (halfway down ish)

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13
Q

which fossa is found on the distal anterior part of the humerus

A

coronoid fossa

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14
Q

is the capitulum of the humerus found:

  • laterally or medially
  • ant or post
A

lateral

anterior

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15
Q

where is the olecranon fossa found

A

proximal posterior part of the humerus

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16
Q

which is more prone to fracture: surgical or anatomical neck of the humerus

A

surgical neck (below the greater and lesser tubercles, horizontal)

17
Q

origin of pec major

A
  • medial part of clavicle
  • sternum
  • upper 6 costal cartilages
18
Q

name of indentation between the lesser and greater tubercles of the proximal anterior part of the humerus.

A

bicipital groove or intertubucular sulcus

19
Q

insertion of pec major

A
  • lateral lip of bicipital groove
20
Q

action of pec major

A

arm adduction
medical rotation
draws scapula anteroinferiorly

21
Q

pec minor origin

A

3rd, 4th, 5th ribs near their costal cartilages

22
Q

insertion of pec minor

A

corocoid process of scapula

23
Q

action of the pec minor

A
  • draws scapula down n forward

- if insertion is fixed, can elevate the 3rd, 4th, 5th ribs

24
Q

origin of serratus anterior

A

upper 8 ribs