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ANA 201 > Shoulder Joint > Flashcards

Shoulder Joint Flashcards

1
Q

the———- joint has the highest range of motion in the body

A

Glenohumeral

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2
Q

Sternoclavicular joint

  • _____/____ type of movement
  • modified______ joint
  • mobile in——- and——- plane
  • limited in the——- plane
A

arthroidal/gliding

ball and socket

frontal; transverse

sagittal

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3
Q

Glenohumeral joint:

  • includes a shallow____(that contains about ___of the size of———)
  • anterior support is by—-,—— ,——-
  • also by——— ligaments
  • fibers of—— and——- that blend into the capsule
  • posterior support is by——-,——-,fibers from ——and——— that blend into the capsule
A

glenoid fossa

1/4 ; humeral head

labrum; capsule; GH ligaments; coracohumeral

pec minor; subscapularis

labrum; capsule; teres minor ; infraspinatous

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4
Q

Acromioclavicular joint :

  • does ——/—— movements
  • AC movements would be opposite of——-
A

arthrodial:gliding

Sternoclavicular

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5
Q

Acromioclavicular joint has a strong bony support and a dense capsule and ligaments support
T/F

A

F

Weak bony support

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6
Q

——— joint is the site of most movement of shoulder girdle

A

Glenohumeral joint

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7
Q

Scapulothoracic joint:

-scapula rests on 2 muscles;——;——-

A

serratus anterior; subscapularis

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8
Q

Scapulothoracic joint is the joint between —— and —— bone

A

no bone to bone connection

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9
Q

SHOULDER GIRDLE MUSCLES

  • all originate from —— skeleton and insert into the——- or——- not——-
  • the help in—— and——— of the joint
A

axial

scapula; clavicle; humerus

stability; increasing ROM

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10
Q

The shoulder joint muscles perform —— shoulder joint actions

A

None

they do not cause should joint actions

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11
Q

TRAPEZIUS muscles

  • originates from ——-,——— and——
  • insert into—— border of acromion;———- of clavicle;——- border of scapula spine;——- at the base of scapula spine
  • upper and middle fibers for——-
  • middle and lower for——-
  • lower for——
  • upward rotation
A

Base of skull; nuchal crest; C7-T12

medial; posterolateral third; superior; triangular space

elevation

adduction

depression

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12
Q

TRAPEZIUS muscles

-superficial or deep?

A

Superficial

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13
Q

LEVATOR SCAPULAE

  • from————-
  • to———-
  • for——-
A

C1-C4’s transverse process

superior angle of scapular

elevation

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14
Q

RHOMBOIDS

  • from———-
  • insert into—— border of scapula below——-
  • for ——— and ——-
A

spinous process of C7-T5

medial

scapular spine

elevation
-adduction

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15
Q

RHOMBOIDS

Superficial or deep

A

Deep

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16
Q

PECTORALIS MINOR

  • from——-
  • to______
  • for ——-,——-and ——-
A

Rib 3-5

coracoid process of scapula

abduction

  • depression
  • downward rotation
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17
Q

PECTORALIS MINOR

-superficial or deep

A

Deep

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18
Q

SERRATUS ANTERIOR

  • from____
  • to______
  • for ——— and ———-
A

rib 1-8

medial border of scapula

abduction
-upward rotation

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19
Q

SUBCLAVIUS

  • from———
  • to———
  • for——- and ——-
A

junction of first rib and it’s coastal cartilage

middle of clavicle

depression and abduction

20
Q

——-serves as a buffer for the rotator cuff muscles

A

SUBACROMIAL ARCH

21
Q

BURSAE IN SHOULDER

  • they secrete——
  • distributed to reduce——- between tissues
  • helps to cushion——- from laying directly on the acromion
  • overuse can lead to——- of bursae
A

synovial fluid

friction

supraspinatus

irritation

22
Q

List the 4 bursae In shoulder joints

A

subacromial-subdeltoid (SASD) bursa.
subscapular bursa.
subcoracoid bursa.
Infraspinatus Bursa.

23
Q

Subscapular Bursa or the—— Bursa: between the tendon of the——- muscle and——-

A

Scapulothoracic

Subscapularis

the shoulder joint capsule.

24
Q

Subdeltoid Bursa: between the——- and the——-

A

Deltoid muscle; shoulder joint cavity.

25
Q

Subacromial Bursa: below the——- and above the ———It’s function is to——-

A

acromion process

greater tubercle of the humerus.

reduce friction in the space under the acromion.

26
Q

Subcoracoid Bursa: between the ———and the——-

A

coracoid process of the scapula

shoulder joint capsule.

27
Q

Infraspinatus Bursa: between the——- and the——-

A

infraspinatus tendon

capsule of the joint.

28
Q

MUSCLE STRENGTH SHOULDER COMPLEX. From strongest to weakest

A
  • add
  • extend
  • flex
  • abduct
  • int rotation
  • ext rotation
29
Q

the articulating surfaces of the glenohumeral joint are covered with——- cartilage.

A

hyaline

30
Q

To reduce the disproportion in surfaces, the glenoid fossa is deepened by a——-, called the——-

A

fibrocartilage rim

glenoid labrum.

31
Q

Joint capsule of the shoulder joint extends from the ——-of the——- to the ———of the ———. The joint capsule is—-, permitting greater mobility (particularly——-).

A

anatomical neck ; humerus

border or ‘rim’

glenoid fossa.

lax

abduction

32
Q

Subacromial bursae– located deep to the—- and——, and superficial to the—— and——-

A

deltoid; acromion

supraspinatus tendon

joint capsule.

33
Q

Glenohumeral ligaments hold the joint in place and preventing it from dislocating——-. They act to stabilise the——- aspect of the joint.

A

anteriorly

anterior

34
Q

Coracohumeral ligament – attaches the base of the—— to the ———of the humerus. It supports the——- part of the joint capsule.

A

coracoid process

greater tubercle

superior

35
Q

Transverse humeral ligament – spans the distance between the ———of the humerus. It holds the———- in the _____

A

two tubercles

tendon of the long head of the biceps in the intertubercular groove.]

36
Q

Coraco–clavicular ligament – composed of the—— and—— ligaments and runs from the clavicle to the coracoid process of the scapula. They work alongside the——- ligament to maintain the alignment of the clavicle in relation to the scapula.

A

trapezoid; conoid

acromioclavicular

37
Q

coraco-acromial arch structure overlies the shoulder joint, preventing—— displacement of the humeral head.

A

superior

38
Q

The shoulder joint is supplied by the——- arteries, which are both branches of the——- artery. Branches of the suprascapular artery, a branch of the———, also contribute.

Innervation is provided by the——,—— and——- nerves.

A

anterior and posterior circumflex humeral

axillary

thyrocervical trunk,

axillary; suprascapular; lateral pectoral

39
Q

Intrinsic muscles of the shoulder – originate from the—— or ——-, and attach to the——.

Aka ———- group

A

scapula and/or clavicle

humerus

Scapulohumeral

40
Q

The teres major forms the—— border of the_____– the ‘gap’ that the——- and——- pass through to reach the——- region.

Attachments: Originates from the———-. It attaches to the———

A

inferior; quadrangular space

axillary nerve; posterior circumflex humeral artery

posterior scapula

posterior surface of the inferior angle of the scapula; medial lip of the intertubercular groove of the humerus.

41
Q

Supraspinatus

Attachments: Originates from the——- of the scapula, attaches to the ———of the humerus.
Innervation:——- nerve.
Actions:———, and assists—— for ——

A

supraspinous fossa; greater tubercle

Suprascapular

Abducts the arm 0-15o

deltoid for 15-90o

42
Q

Infraspinatus

Attachments: Originates from the——, attaches to the——-
Innervation:——— nerve.
Actions:——-

A

infraspinous fossa of the scapula

greater tubercle of the humerus.

Suprascapular

Laterally rotates the arm.

43
Q

Subscapularis

Attachments: Originates from the——-, on the——- surface of the scapula. It attaches to the————
Innervation:———- nerves.
Actions:———

A

subscapular fossa

costal

lesser tubercle of the humerus.

Upper and lower subscapular

Medially rotates the arm.

44
Q

Teres Minor

Attachments: Originates from the——-, adjacent to its ——-border. It attaches to the——-
Innervation:____ nerve.
Actions:——-

A

posterior surface of the scapula

lateral

greater tubercle of the humerus.

Axillary

Laterally rotates the arm.

45
Q

Rotator cuff tendonitis refers to————of the rotator cuff muscles. This usually occurs——- to———-

A

inflammation of the tendons

Secondary

repetitive use of the shoulder joint.

46
Q

In Rotator cuff tendonitis

The muscle most commonly affected is the——-. During abduction, it ‘rubs’ against the———-

A

supraspinatus

coraco-acromial arch

47
Q

Tears in the tendons of these muscles are called rotator cuff tears. The most commonly affected muscle is the——-.

A

supraspinatus

ANA 201 (34 decks)

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