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Flashcards in Joints and muscles Deck (34)
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1
Q

sternoclavicular joint

A

clavicular notch of manubrium and sternal end of clavicle

2
Q

acromioclavicular joint

A

acromion of scapula and acromial end of clavicle

3
Q

glenohumeral joint

A
  • head of humerus and glenoid cavity of scapula
  • articular capsule (encapsulates synovial cavity): 1. outer fiborous capsule and 2. inner synovial membrane (prod. of synovial fluid)
  • fluid +cartilage reduce friction and shock, fluid provides nutrients and removes waste
4
Q

humeroradial/humeroulnar joint

A

flexion/extension
1. head of radius and
capitulum of humerus
2. trochlear notch of ulna and trochlea of humerus

5
Q

Prox. and distal radioulnar joints

A

pronation/supination

  • prox: head of radius and radial notch of ulna
    distal: head of ulna and ulnar notch of radius
6
Q

agonist
antagonist
synergist
fixator

A
  • muscle most directly responsible for movement
  • muscle that acts in opposition to agonist
  • muscle that assists agonist
  • muscle that prevents unwanted movement
7
Q

serratus group

A

serratus anterior, rhomboid major, rhomboid minor, levator scapulae

8
Q

rotator cuff

A

subscapularis, supraspinous, infraspinous, teres minor

9
Q

coxal (hip) joint

A

head of femur and acetabulum

10
Q

serratus anterior

A

O: ribs 1-8 or 9
I: vertebral border of scapula
A: upward rotation of scapula

11
Q

rhomboid minor

A

O:C7-T1
I: superior border of scapula superior to spine
A: adduction, downward rotation, elevation

12
Q

rhomboid major

A

O:T2-T5
I: vertebral border of scapula inferior to spine
A: adduction, downward rotation, elevation

13
Q

levator scapulae

A

O: transverse processes of C1-C4
I: Vertebral border of scapula (superior)
A: elevation and downward rotation

14
Q

supraspinatus

A

O: supraspinous fossa
I: greater tubricle of humerus
A: abduction

15
Q

infraspinatus

A

O: infraspinous fossa
I: greater tubricle of humerus
A: lateral rotation

16
Q

subscapularis

A

O: subscapular fossa
I: lesser tubricle of humerus
A: medial rotation

17
Q

teres minor

A

O: lateral border of scapula (inferior)
I: greater tubricle of humerus
A: lateral rotation and extension

18
Q

teres major

A

O: inferior angle of scapula
I: intertubercular sulcus
A: extension, adduction, medial rotation

19
Q

deltoid

A

O: clavicle and acromion and spine of scapula
I: deltoid tuberosity of humerus
A: abduction, flexion, lateral rotation

20
Q

trapezius

A

O: occipital pertuberance, ligamentum nuchae, C7-T12
I: clavicle and acromion and spine of scapula
A: Upper: upward rotation
middle: adduction of scapula
lower: depression/upward rotation

21
Q

triceps brachii

A

O: infraglenoid tubricle of scapula (long head) and posterior surface of humerus (medial and lateral heads)
I: olecranon of ulna
A: extension of arm and forarm

22
Q

biceps brachii

A

O: supraglenoid tubricle of scapula (long head) and coracoid process of scapula (short head)
I: radial tuberosity of radius
A: flexion of arm and forearm, supination

23
Q

brachialis

A

O: distal, anterior surface of humerus
I: ulnar tuberosity and coranoid process of ulna
A: flexion of forearm

24
Q

brachioradialis

A

O: distal end of humerus
I: above styloid process of radius
A: flexion and supination and pronation

25
Q

pectoralis major

A

O: clavicular head, sternum, and ribs 2-6
I: greater tubercle and intubercular sulcus of humerus
A: abduction and medial rotation of arm

26
Q

latissimus dorsi

A

O: T7-L5, crests of sacrum and ilium, ribs 9-12
I:intertubercular sulcus of humerus
A: extension, adduction, and medial rotation of arm

27
Q

iliacus

A

O: iliac fossa and sacrum
I: lesser trochanter of femur
A: flexion, lateral rotation

28
Q

psoas major

A

O: transverse processes and bodies of lumbar vertebre
I: lesser trochanter of femur
A: flexion and lateral rotation

29
Q
  • scoliosis
  • kyphosis
  • lordosis
A
  • abnormal lateral curve
  • exaggeration @ thorasic region (hunchback)
  • exaggeration @ lumbar region (common in obese and pregnant people)
30
Q

herniation

A

tear of annulus fibrosus, (gel-like nucleus pulposus impinges on spinal nerve)

31
Q

atlanto-occipital joint

A
  • occipital chondyles and superior articular facet of C1

- flexion/extension (“yes)

32
Q

atlanto-axial joint

A
  • inferior articular facet of atlas and superior articular facet of axis
  • rotation (“no”)
33
Q

differences between vertebre

A
  • cervical: smaller, bifid spinous process, and transverse foramen (contains vertebral arteries)
    thorasic: have transverse costal facet on transverse process for rib tubricle, demi-facets, and spinous processes pointed down
    lumbar: large body and short and stumpy spinous processes
34
Q

scapulothoracic joint

A
  • not a true joint
  • scapula moves over thorax (chest) to increase range of motion in shoulder
  • upward and downward rotation, depression/elevation, and abduction/adduction