[ mˈʌskjʊləs pˌɛktɔːɹˈɑːliz mˈe͡ɪd͡ʒə], [ mˈʌskjʊləs pˌɛktɔːɹˈɑːliz mˈeɪdʒə], [ m_ˈʌ_s_k_j_ʊ_l_ə_s p_ˌɛ_k_t_ɔː_ɹ_ˈɑː_l_i_z m_ˈeɪ_dʒ_ə]
How to use "Musculus pectoralis major" in context?
The muscle that makes up the upper chest is the pectoralis major. This muscle surrounds the chest and is responsible for retracting the arms. It is composed of four sections: the anterior, middle, and posterior sections. The anterior section is the largest and is located in front of the chest along the shoulder blade. The middle section is located between the anterior and posterior sections and is smaller than the anterior section. The posterior section is located behind the chest and is the smallest. The pectoralis major also longs the shoulder blade and helps rotate the arm inward.
The pectoralis major becomes active when you lift your arms overhead.
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