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Longissimus(최장근,가장긴근)
이는곳(기시, Origin)
두부: C4~T5 횡돌기
경추부: T1~T5 횡돌기
흉추부
-요추부분: 요추 근육사이 널힘줄, 장골 전내측, 뒤엉치엉덩인대
-흉추부분: L1~L5 극돌기&횡돌기, 장골능 내측, 엉치뼈 후면, 장골능 뒷부분
Capitis: Transverse processes of vertebrae C4-T5
Cervicis: Transverse processes of vertebrae T1-T5
Thoracis
-Lumbar part: Lumbar intermuscular aponeurosis, anteromedial aspect of ilium, Posterior sacroiliac ligament
-Thoracic part: Spinous and transverse processes of vertebrae L1-L5, median sacral crest,
posterior surface of sacrum and posterior iliac crest
닿는곳(정지, Insertion)
두부: 측두골 유양돌기
경추부: C2~C6 횡돌기
흉추부
-요추부분: L1~L5 부돌기&횡돌기
-흉추부분: T1~T12 횡돌기, 7번~12번 갈비뼈각
Capitis: Mastoid process of temporal bone
Cervicis: Transverse processes of vertebrae C2-C6
Thoracis
-Lumbar part: Accessory and transverse processes of vertebrae L1-L5
-Thoracic part: Transverse process of vertebrae T1-T12, Angles of ribs 7-12
혈관지배(Artery)
두부 & 경추부: 추골동맥, 깊은목동맥(심경동맥), 후두동맥(뒤통수동맥), 경횡동맥
흉추부: 위늑간동맥, 뒤늑간동맥, 늑하동맥
Capitis and cervicis: vertebral artery, deep cervical artery, occipital artery, transverse cervical artery
Thoracis: superior intercostal, posterior intercostal and subcostal arteries
신경지배(Nerve)
척추신경 뒷가지
Posterior rami of spinal nerves
작용(Action)
전체 근육
양측- 척추 신전
편측- 동측 외측굴곡
최장근 경추부
양측- 목&머리 신전
편측- 머리 동측 외측굴곡&회전
Entire muscle:
Bilateral contraction - Extension of spine
Unilateral contraction - Lateral flexion of spine (ipsilateral)
Longissimus capitis only:
Bilateral contraction - Extension of head and neck
Unilateral contraction - Lateral flexion and rotation of head (ipsilateral)
관련 스포츠(Sports)
스카이 다이빙(Sky diving)
https://bodynbalance.tistory.com/110
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https://bodynbalance.tistory.com/113
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