yogabook / muscles / subclavius
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Subclavius
If the pectoralis minor muscle is missing, the subclavius muscle is greatly enlarged (hypertrophy) due to the considerable strain.
Origin: 1st costal cartilage
Attachment: Clavicle
Innervation: Nervus subclavius from Pars supraclavicularis of plexus brachialis from C5 und C6
Antagonists:
Movement: lowers the clavicle and holds it in the sternoclavicular joint