Mechanics of Sternum/Clavicle/Sibson's Fascia

Question 1

motion of sternoclavicular joint?

Answer 1

abduction
horizontal flexion
rotation

**proximal clavicle

Question 2

strongest jint between clavicle and scapula?

Answer 2

coracoclavicular ligament

Question 3

motion of AC joint?

Answer 3

abduction (superior-inferior)

rotation about long axis down clavicle

Question 4

thoracic inlet boundaries?

Answer 4

manubrium and sternum anteriorly
first thoracic posteriorly
first rib laterally

Question 5

thoracic outlet

Answer 5

space between anterior scalenes

subclavian artery and brachial plexus pass through

Question 6

sibsons fascia

Answer 6

originate from deep cervical fascia
connects superomedial border rib 1
continuous with axillary sheath and endothoracic fascia

can move contralaterally

diaphragm across the thoracic inlet

Question 7

pass through sibsons fascia

Answer 7

recurrent laryngeal
vagus nerve
stellate ganglion
phrenic nerve
brachial plexus
common carotid artery
vertebral artery
thyrocervical trunk
internal thoracic artery
internal jugular vein
subclavian artery and vein
thoracic duct and right lymphatic duct
anterior cervical lymph nodes

Question 8

thoracic duct

Answer 8

pierces sibsons fascia

lymphatic drainage of body

Question 9

abduction?

Answer 9

distal clavicle moves superiorly and proximal inferiorly

Question 10

superior/inferior clavicle

Answer 10

testing by shrug shoulders

Question 11

flexion?

Answer 11

distal end of clavicle anterior

proximal posterior

Question 12

anterior/posterior clavicle

Answer 12

mummy to the ceiling

Question 13

pectus excavatum

Answer 13

sunken chest

Question 14

pectus carnii

Answer 14

pigeon chest

Question 15

forward bending of manubrium

Answer 15

decreases angle of manubrium and sternum

Question 16

backward bending of sternum

Answer 16

decrease angle of of manubrium and sternum

Question 17

direct and indirect sternum treatment

Answer 17

indirect - sidebending and/or rotation