Trunk Muscles
67 muscles · origin, insertion, action & nerve.
Study every muscle of the Trunk, grouped by region. Select a muscle to see its origin, insertion, action and nerve supply, plus FAQs and related muscles.
Back
- Trapezius
- Latissimus Dorsi
- Erector Spinae
- Splenius Capitis
- Iliocostalis Cervicis
- Iliocostalis Lumborum
- Iliocostalis Thoracis
- Longissimus Capitis
- Longissimus Cervicis
- Longissimus Thoracis
- Longissimus Thoracis (Lumbar Part)
- Spinalis Capitis
- Spinalis Cervicis
- Spinalis Thoracis
- Semispinalis Thoracis
- Semispinalis Cervicis
- Semispinalis Capitis
- Multifidus Lumborum
- Multifidus Thoracis
- Multifidus Cervicis
- Rotatores Longi (Thoracis)
- Rotatores Breves (Thoracis)
- Rotatores Lumborum
- Rotatores Cervicis
- Interspinales Lumborum 1–4
- Interspinales Thoracis 1–3
- Interspinales Cervicis 1–6
- Intertransversarii Anteriores Cervicis 1–7
- Intertransversarii Posteriores Laterales Cervicis 1–7
- Intertransversarii Posteriores Mediales Cervicis 1–7
- Intertransversarii Laterales Lumborum (Dorsal Parts) 1–5
- Intertransversarii Laterales Lumborum (Ventral Parts) 1–5
- Intertransversarii Mediales Lumborum 1–5
- Intertransversarii Thoracis 1–9
- Splenius Cervicis
Thorax
Abdomen
Pelvis & Perineum
- Coccygeus
- Iliococcygeus
- Pubococcygeus
- Puboanalis (Puborectalis)
- Puboperinealis
- Puboprostaticus (males) / Pubovaginalis (females)
- External Anal Sphincter (Subcutaneous, Superficial and Deep Parts)
- Superficial Transverse Perineal
- Bulbospongiosus
- Ischiocavernosus
- Deep Transverse Perineal
- Compressor Urethrae
- Sphincter Urethrovaginalis
- External Urethral Sphincter