Osteology Of Thorax

Question 1

Which tubercle is present in the inner border of 1st rib? And what muscle is attached to that tubervle?

Answer 1

Scalene tubercle
Scalenus anterior muscle

Question 2

Groove for subclavian vein and groove for subclavian artery is present in which side of scalene tubercle in the inner border of 1strib?

Answer 2

In front of scalene tubercle- groove for subclavian vein
Behind - groove for subclavian artery

Question 3

What are the muscles attached to the 1st rib?

Answer 3

Scalenus anterior
Scalenus medius
Subclavius
Serratus anterior

Question 4

To which rib scalenus posterior is attached?

Answer 4

2nd

Question 5

What are the neurovascular structures present between neck of 1st rib and apex of lung?

Answer 5

From lat to medial
SVAN
Sympathetic trunk
1st posterior intercostal Vein
Intercostal Artery
1st thoracic spinal Nerve

Question 6

Root of spine of scapula is located at?

Answer 6

Tip of T3 spine or body of T4

Question 7

Inferior angle of scapula is located at?

Answer 7

Spine of T7 or body of T8

Question 8

1)7th rib articulate with superior facet of which vertebra?
2)T7 vertebra sup facet articulate with?
3)7th rib articulate with inferior facet of which vertebra?
4)T7 vertebra inf facet articulate with?

Answer 8

1)T7
2)T7 7th rib ( numerically same rib)
3)T8
4)8th rib( numerically succeeding rib)