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Thần kinh dưới vai dưới (tiếng Anh: Lower subscapular nerve) là thần kinh chi phối cơ tròn lớn và phần dưới của cơ dưới vai. Thần kinh gồm các sợi từ C5-C6. Nó có nguồn gốc từ bó sau của đám rối thần kinh cánh tay.
The lower subscapular nerve, also known as the inferior subscapular nerve, [1] is the third branch of the posterior cord of the brachial plexus. It innervates the inferior portion of the subscapularis muscle and the teres major muscle.
23 Σεπ 2023 · Type: The lower subscapular nerve is primarily a motor nerve, and it innervates specific muscles in the scapular region. Origin : The nerve originates from the posterior cord of the brachial plexus, typically formed from nerve roots C5-C8.
23 Σεπ 2023 · The upper subscapular nerve primarily innervates the upper part of the subscapularis muscle. The lower subscapular nerve innervates the lower part of the subscapularis muscle and also the teres major muscle.
26 Δεκ 2021 · Lesser tuberosity of humerus. Action. Medially rotates arm and adducts it; helps to hold humeral head in glenoid cavity of scapula. Innervation. Upper and lower subscapular nerves (C5, C6, C7) Arterial Supply. Subscapular artery.
22 Μαρ 2024 · The Subscapularis receives its nerve supply primarily from the upper and lower subscapular nerves, which stem from the posterior cord of the brachial plexus. These nerves enter the muscle at different points, ensuring that all regions of the muscle can be effectively activated and controlled.
28 Σεπ 2024 · Innervation: Upper and lower subscapular nerves. Teres Minor. Attachments: Originates from the posterior surface of the scapula, adjacent to its lateral border. It attaches to the greater tubercle of the humerus. Actions: Laterally rotates the arm. Innervation: Axillary nerve.
