First Rib - Study Notes

University:
North Idaho College
Course:
NURS 201 | Fundamentals Of Nursing
Academic year:

2021
Views:

292

Pages:

1
Author:

MichGar

1st RIBIDENTI FICATION / DISTINGUISHING FEATURES(1) It is shortest -broadest and most acutely curved.(2) Shaft is flattened above downwards So that it hasupper and lower effaces and inner bonders.(3) Head- Small rounded and bears a Single circular articularfacet to articulate with the side of 1st Thoracic vemebra.(4) Its angle and tubercle coincide DIPANKAR RAY(5) No costal groove on its inner surface(6) Anterior end -larger and thicker.(7) Neck - Rounded and elongated Directed upwards, backwardsand laterally.SIDE DETERMINATIONSide of the 1st Rib can be determined by holding the rib inSuch a way that.AIts larger, thicker and pittedend is directed anteriorlyBIts smaller and rounded end is directed posteriorly.CConcave burder is directed inwards.DIPANKAR RAYDEConvex border is directed outwards with no costal groove.The surface is directed of its shaft having two grouves separated by aridge of superiorly The is enlanged at the innenburder the rib to form Scalene Tubercle"Fsuperior surface Pacing upwards. both the ends of the ribWhen the rib is placed on a horizontal plane: ie with thetouch the surface.