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μ“√“ß∑’Ë 1 μ”·Àπàß∑“ß°“¬«‘¿“§¢Õß°≈â“¡‡π◊ÈÕ·≈–°√–¥Ÿ°∑’Ë —¡æ—π∏å°—∫°“√√—°…“∑“ßÀ—μ∂‡«™°√√¡‰∑¬

‚§√ß √â“ß (structures)
‡ âπ/®ÿ¥
™—Èπμ◊Èπ (superficial) ™—Èπ°≈“ß(intermediate) ™—Èπ≈÷° (deep)

1) ·π«‡ âπæ◊Èπ∞“π∫à“-¡—¥°≈â“¡‡π◊ÈÕ∑√“æ’‡´’¬ μÕπ∫π -¡—¥°≈â“¡‡π◊ÈÕ -À≈Õ¥‡≈◊Õ¥·≈–ª√– “∑
(upper part of trapezius) supraspinatus suprascapular
-®ÿ¥‡°“–μâπ (origin) ¢Õß

°≈â“¡‡π◊ÈÕ levator scapulae

2) ‡ âπæ◊Èπ∞“πÀ≈—ß
μÕπ≈à“ß (L5-T7) -„°≈âμ”·Àπàß®ÿ¥‡°“–μâπ™π‘¥‡ÕÁπ -„°≈âμ”·Àπàß®ÿ¥‡°“–μâπ -μ”·Àπàß„°≈â®ÿ¥‡°“–μâπ
·ºà¢Õß°≈â“¡‡π◊ÈÕ latissimus ¢Õß¡—¥°≈â“¡‡π◊ÈÕÀ≈—ß ¢Õß¡—¥°≈â“¡‡π◊ÈÕ multifidus

dorsi (thoracolumbar fascia) ™—Èπ°≈“ß (erector spinae) lumborum
μÕπ∫π (T6-C7) -„°≈âμ”·Àπàß®ÿ¥‡°“–μâπ¢Õß¡—¥ -„°≈âμ”·Àπàß®ÿ¥‡°“–μâπ™π‘¥-¡—¥°≈â“¡‡π◊ÈÕ splenius

°≈â“¡‡π◊ÈÕ∑√“æ’‡´’¬ ‡ÕÁπ·ºà (aponeurotic origin) -¡—¥°≈â“¡‡π◊ÈÕ semispinalis
¢Õß°≈â“¡‡π◊ÈÕ seratus -®ÿ¥‚º≈à (emerging points)

posterior ¢Õß·¢πߪ√– “∑ (poste-
rior rami) ®“°‡ âπª√– “∑
‰¢ —πÀ≈—ß (spinal nerves)
§Ÿà¡“°—∫À≈Õ¥‡≈◊Õ¥·¥ß

segmental thoracic

3) —≠≠“≥ 4 À≈—ß -„°≈âμ”·Àπàß®ÿ¥‡°“–μâπ¢Õß -„°≈âμ”·Àπàß®ÿ¥‡°“–μâπ
¡—¥°≈â“¡‡π◊ÈÕ∑√“æ’‡´’¬ ™π‘¥‡ÕÁπ·ºà (aponeurotic
μÕπ°≈“ß (middle part of origin) ¢Õß°≈â“¡‡π◊ÈÕ

trapezius) seratus posterior
superior

4) —≠≠“≥ 5 À≈—ß -„°≈âμ”·Àπàß®ÿ¥‡°“–μâπ¢Õß
¡—¥°≈â“¡‡π◊ÈÕ∑√“æ’‡´’¬

μÕπ∫π (upper part of
trapezius)

5) —≠≠“≥ 4 À—«‰À≈à -¡—¥°≈â“¡‡π◊ÈÕ omohyoid -subclavian artery ›
μÕπ≈à“ß (inferior belly) -brachial plexus