support of shoulder joint

Question 1

what is involved in the CNS

Answer 1

brain
spinal cord

Question 2

what is involved in the PNS

Answer 2

cranial nerves
spinal nerves

Question 3

what nerves form the brachial plexus

Answer 3

C6,C7,C8,T1,T2

Question 4

where is the brachial plexus located

Answer 4

axillary region

Question 5

what is the afferent supply

Answer 5

carry impulses from structure to brain
sensory nerve fibres

Question 6

what is the efferent supply

Answer 6

carry impulses from brain to structure (muscle or organ)
motor nerve fibres

Question 7

what are mixed nerves

Answer 7

consist of both motor and sensory fibres
transmit messages in both directions at once

Question 8

what does the brachial plexus supply

Answer 8

all intrinsic muscles
some extrinsic muscles :
latissimus dorsi
serratus ventralis
pectorals

Question 9

types of joints

Answer 9

fibrous
cartilagenous
synovial

Question 10

what range of motion do synovial joints allow

Answer 10

large

Question 11

what is hyaline cartilage

Answer 11

covers articular surfaces
reduces friction
avascular
no nerve endings

Question 12

synovial fluid

Answer 12

sticky
nourishes cartilage
lubricates

Question 13

what is the synovial membrane

Answer 13

produces synovial fluid
physical barrier to contain fluid

Question 14

what is the joint capsule

Answer 14

fibrous layer
incorporates synovial membrane
attaches around osteochondral junction

Question 15

function of ligaments

Answer 15

support joints
hold bones together
restrict movements

Question 16

what is flexion

Answer 16

folded limb
non-weight bearing position

Question 17

what is extension

Answer 17

stretching limb
associated with weight bearing

Question 18

components of the shoulder joint

Answer 18

glenoid cavity of the scapula
head of humerus

Question 19

palpable landmarks of the shoulder joint

Answer 19

acromion process of the scapula
greater tubercle of the humerus

Question 20

what does the bicipital bursa do

Answer 20

wraps around tendon of origin of biceps brachii
intertubercular groove
transverse ligament

Question 21

lateral support of the shoulder joint

Answer 21

supraspinatus m
infraspinatus m

Question 22

medial support of the shoulder joint

Answer 22

subscapularis m

Question 23

extensors of shoulder joint

Answer 23

brachiocephalicus
biceps brachii

Question 24

flexors of shoulder joint

Answer 24

latissimus dorsi
teres major
teres minor
deltoideus
triceps

Question 25

clinical considerations of the shoulder joint

Answer 25

osteochondrosis
degenerative joint disease
soft tissue conditions