Identify the type of muscle shown in the image below.
Answer – B. Multipennate
- The muscle depicted above is the pectoralis major.
- Pectoralis Major has multiple rows of diagonal fibers with a single tendon, Hence is a multipennate muscle.
- The pectoralis major is the most superficial muscle in the pectoral region.
- It is large and fan-shaped and is composed of a sternal head and a clavicular head.
- Forms anterior axillary fold
- It is preserved in posterolateral thoracotomy