Joints Pt.1
What is the ligaments associated with the costochondral joint?
Cartilage & bone bound together by periosteum
What is the innervation of the serratus posterior superior muscle?
2nd-5th intercostal nerves
What are the ligaments associated with the SC joint?
Anterior & posterior sternoclavicular/costoclavicular
What is the action of the internal lateralcostal muscle? (2)
- Interosseous part: depress ribs
- Interchondral part: elevates ribs
What does the dorsal rami supply?
Posterior joints/muscles/skin
What type is the sternocostal joint? (2)
- 1st: primary cartilaginous joint (synchondrosis)
- 2nd-7th: synovial plane joint
What is the innermost intercostal muscle superior attachment?
Inferior border of ribs
What type is the costovertebral joints?
Synovial plane joint
What is the inferior attachment of the external intercostal muscle?
Superior border of ribs below
What does the rami communicates connect to?
Connects to intercostal nerves to ipsilateral sympathetic trunk
What is the articulation with the intervertebral (of vertebrae T1-T12)?
Adjacent vertebral bodies bound together by IV discs
What is the inferior attachment of the transverse thoracic muscle?
Internal surface of costal cartilages 2nd-6th
What joint has the articulation between the manubrium & body of sternum?
Manubriosternal
What is the superior attachment of the serratus posterior superior muscle?
- Nuchal ligament
- Spinous process of C7-T3 vertebrae
What does the anterior cutaneous nerve branch supply?
Supplies skin on anterior aspect of thorax/abdomen
What are the ligaments associated with the joint head of ribs?
Radiate & intra-articular ligaments of head of rib
What is the action of the levator costarum muscle?
Elevate ribs
What is the articulation with the 1st sternocostal joint?
Articulation of 1st costal cartilages with manubrium of sternum
What is the superior attachment of the subcostal muscle?
Internal surface of lower ribs near their angles
What does the ventral rami supply?
Intercostal (T1-Tll)/subcostal (T12) nerves
What type is the xiphisternal joint?
Primary cartilaginous joint (synchondrosis)
What is the superior attachment of the serratus posterior inferior muscle?
Spinous process of T11-L2 vertebrae
What is the ligament associated with the interchondral joint?
Interchondral ligament
What is the inferior attachment of the levator costarum?
Subadjacent ribs between tubercle & angle
What does the collateral nerve branch supply?
Supplies intercostal muscles & parietal pleura