Topic 9 Chest, Thorax, Abdomen Flashcards
1
Q
What are the 4 muscles that make up pectoral group?
A
Transverse pectoral
Subclavius
Anterior superficial pec
Posterior deep pec
Common point of origin - sternum
2
Q
Why do dorsal spinal processes slope caudal then cranial ?
A
T1- 15 caudally resost against pull of neck muscles
T18- L6 cranially assist against pull of strong lumbar muscles
3
Q
What are floating ribs?
A
First 8 ribs are attached to sternum
The last 10 are not
Floating rib is due to it not being attached the rhe rib before it
4
Q
Thorasic Serratus ventralis origin, insertion, action
A
Origin 1st 7-9 ribs
Insertion medial aspect scapula