Subclavius muscle
（重定向自Subclavius）
![](/Images/godic/202502/13/Subclavius_muscle_frontal21716.png")
![](/Images/godic/202502/13/Gray411subclavius1716.png")
![](/Images/godic/202502/13/Subclavius_muscle_animation21716.gif")
![](/Images/godic/202502/13/Subclavius_muscle_frontal31716.png")
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 wall of the axilla.