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KIN245 > Test 2- Part 3: The Shoulder > Flashcards

Test 2- Part 3: The Shoulder Flashcards

1
Q

Resists excessive depression or downward glide of the clavicle

A

Interclavicular joint

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2
Q

Resists clavicular elevation and superior glide of the clavicle

A

Costoclavicular

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3
Q

Resists anterior movement of the head of the clavicle

A

Anterior Sternoclavicular

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4
Q

Resists posterior movement of the head of the clavicle

A

Posterior Sternoclavicular

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5
Q

Most important ligament in stabilizing AC joint for normal daily activities

A

Acromioclavicular

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6
Q

The most important ligament for support of the joint against significant
injuries and superior displacement

A

Coracoclavicular

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7
Q

Roll, glide, & pivot

A

GH Joint

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8
Q

Stabilize the shoulder in adduction

• Helps to prevent posterior and inferior instability

A

Superior GH Ligament

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9
Q

Limits external rotation at 45 deg of abduction

• Helps to prevent posterior and inferior instability

A

Middle GH ligament

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10
Q

Primary restraint to anterior and anteroinferior instability

• Limits external rotation at 45 to 90 deg of abduction

A

Inferior GH ligament

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11
Q

• Posterior capsule and the teres minor restrain internal rotation

A

Posterior GH ligament

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12
Q

Origin of the trapezius upper fibers

A

External occipital protuberance (muscle in back of neck) ,medial portion of superior nuchal line, (mustache coming off of skull) ligamentum nuchae and spinous process C1-C6 (dinosaur spikes)

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13
Q

Insertion of the trapezius upper fibers

A

Lateral 1/3 of the clavicle (end of clavicle)

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14
Q

Action of trapezius upper fibers

A
  • Laterally flex the head and neck to same side
  • Rotate the head and neck to opposite side
  • Elevate the scapula
  • Upwardly rotate the scapula
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15
Q

Origin of trapezius middle fibers

A

Spinous processes of C7-T3 (

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16
Q

Insertion

A

Acromion process and

superior scapular spine

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17
Q

Action of trapezius middle fibers

A

Adduct the scapula (squeezing shoulder blades)

Stabilize the scapula (main role)

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18
Q

Origin of trapezius lower fibers

A

Spinous porcesses of T4-12

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19
Q

Insertion of trapezius lower fibers

A

Inferior, medial scapular spine (lower edge/medial edge of scapular spine)

20
Q

Actions of trapezius lower fibers

A

Depress the scapula (pushing yourself off a chair)
Upwardly rotate the
scapula

21
Q

Origin of levator scapulae

A

Transverse process of 1st -4th cervical vertebrae

22
Q

Insertion of levator scapulae

A

Medial border of scapula, between superior angle and superior portion of spine of scapula

23
Q

Action of levator scapulae

A
  • Elevate the scapula
  • Downwardly rotate the scapula
  • Laterally flex the head and neck (to the ipilateral side) turning head to side
  • Rotate the head and neck to same side (ipsiilateral)
  • Extend the head and neck (used bilaterally)
24
Q

Origin of rhomboid major

A

Spinous processes of t2-t5

25
Q

Insertion of rhomboid major

A

Medial border of the scapula
between the spine of the
scapula and the inferior angle

26
Q

Action of rhomboid major

A

Adduct the scapula
Elevate the scapula
Downwardly rotate the scapula
STABILIZE

27
Q

Origin of rhomboid minor

A

Spinous processes c7-t1

28
Q

Insertion of rhomboid minor

A

• Upper portion of medial border of the scapula, across

from spine of the scapula

29
Q

Action of rhomboid minor

A

Adduct the scapula
• Elevate the scapula
• Downwardly rotate thescapula

30
Q

Origin of seratus anterior

A

• External surfaces of upper eight or 9 ribs

31
Q

Insertion of serratus anterior

A

Anterior surface of medial border of the scapula

32
Q

Action of serratus anterior

A

Abduct the scapula (push-up plus, punches toward wall w/ weight)
• Upwardly rotate the scapula
• Depress the scapula
• Hold the medial border of the scapula against the rib cage (stability)
• May act to elevate the thorax during forced inhalation
(scapula fixed)

33
Q

Origin of pectoralis minor

A

3rd, 4th, & 5th ribs

34
Q

Insertion of pectoraiis major

A

Medial surface of coracoid

process of the scapula

35
Q

Action

A 
• Depress the scapula
• Abduct the scapula
• Downwardly rotate the scapula
• Assist to elevate the thorax
during forced inhalation
(scapula fixed)
36
Q

Origin of deltoid

A 
Anterior fibers:
• Lateral ⅓ of clavicle
• Middle fibers:
       • Lateral aspect of acromion
• Posterior fibers:
        • Inferior edge of spine of scapula
37
Q

Insertion of deltoid

A

Deltoid tuberosity

38
Q

Action of deltoid

A 
Anterior fibers:
       • Flex the shoulder
       • Medially rotate the shoulder
       • Horizontally adduct the
shoulder
• Middle fibers:
       • Abduct the shoulder
• Posterior fibers:
      • Extend the shoulder
      • Laterally rotate the shoulder
      • Horizontally abduct the
shoulder
39
Q

Origin of pectoralis major

A

Upper Fibers
• Medial ½ of clavicle
• Lower Fibers
• Sternum and cartilage of 1st – 6th ribs

40
Q

Insertion of pectoralis major

A

Crest of greater tubercle of

humerus

41
Q

Action of pectoralis major

A 
All Fibers
• Adduct the shoulder
• Medially rotate the shoulder
• Assist to elevate the thorax
during forced inhalation (arm
fixed)
• Upper fibers:
      • Flex the shoulder
      • Horizontally adduct the
shoulder
• Lower fibers:
     • Extend the shoulder
42
Q

Origin of latissimus dorsi

A 
• Inferior angle of scapula
• Spinous process of last six
thoracic vertebrae
• Last three or four ribs
• Thoracolumbar aponeurosis
and posterior iliac crest
43
Q

Insertion of latissimus dorsi

A

Intertubercular groove of the humerus

44
Q

Action of latissimus dorsi

A
  • Extend the shoulder
  • Adduct the shoulder
  • Medially rotate the shoulder
45
Q

Origin of latissimus dorsi:

A 
Inferior angle of scapula
• Spinous process of last six
thoracic vertebrae
• Last three or four ribs
• Thoracolumbar aponeurosis
and posterior iliac crest

KIN245 (14 decks)

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