Muscles – Thorax Muscles and Thoracic Wall
About the Lecture
The lecture Muscles – Thorax Muscles and Thoracic Wall by Craig Canby, PhD is from the course Abdominal Wall with Dr. Canby.
Included Quiz Questions
Which muscle inserts on the coracoid process?
- Pectoralis minor
- Pectoralis major
- Subclavius
- Serratus anterior
- Levator costarum
Which intrinsic muscle of the thorax spans more than one intercostal space as it attaches to a rib above and a rib below?
- Subcostal
- External intercostal
- Internal intercostal
- Innermost intercostal
- Transversus thoracis
Which muscle performs adduction of the arm?
- Pectoralis major
- Deltoid
- Serratus anterior
- Subclavius
- Intercostal
What is the nerve supply of the pectoralis minor?
- Medial pectoral nerve
- Thoracic nerves
- Lateral pectoral nerve
- Axillary nerve
- Intercostal nerves
What is the smallest extrinsic muscle?
- Subclavius
- Pectoralis major
- Pectoralis minor
- Serratus anterior
- Serratus posterior
What is the main source of innervation to the intrinsic muscles?
- Intercostal nerves
- Lateral pectoral nerve
- Medial pectoral nerve
- Axillary nerve
- Thoracic nerve
Besides the pectoralis major and pectoralis minor, what is the complete set of extrinsic muscles of the thorax?
- Serratus anterior and subclavius
- External oblique and subclavius
- Serratus anterior and external oblique
- Serratus posterior and external oblique
![Anatomy [Archive]](https://assets-cdn1.lecturio.de/lecture_collection/image_medium/87992_1693919964.png)
Author of lecture Muscles – Thorax Muscles and Thoracic Wall
Craig Canby, PhD
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You did an amazing hard work to creat this great lecture. You could involve the most important information in only 14 minutes and the same time the lecture is very simple and interesting. Thank you very much professor Craig Canby
I consider it a ery shallow lecture, with very little info about costal attachemnts of the intercostal muscles, they don even show a sagital cut of the ribs to understand better the intercostal muscle attachemnts and origin.
