Subclavius muscle
The subclavius is a small triangular muscle, placed between the clavicle and the first rib. Along with the pectoralis major and pectoralis minor muscles, the subclavius muscle makes up the anterior axioappendicular muscles, also known as anterior wall of the axilla.
| Subclavius muscle | |
|---|---|
Subclavius muscle (shown in red). | |
Deep muscles of the chest and front of the arm, with the boundaries of the axilla. (Subclavius visible at upper left, above first rib.) | |
| Details | |
| Origin | first rib and cartilage |
| Insertion | subclavian groove of clavicle (inferior surface of middle one third of the clavicle) |
| Artery | thoracoacromial trunk, clavicular branch |
| Nerve | subclavian nerve |
| Actions | depression of clavicle elevation of first rib |
| Identifiers | |
| Latin | musculus subclavius |
| TA98 | A04.4.01.007 |
| TA2 | 2306 |
| FMA | 13410 |
| Anatomical terms of muscle | |
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