.
MUSCLE
REGION
ORIGIN
INSERTION
PRIMARY
ACTION
SECONDARY
ACTION
INNERVATION
dorsal rami of adjacent spinal nerves
(C4, C5, C6, C7, C8, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, L1, L2, L3, L4, L5)
Show nerve
Ipsilateral lumbar to cervical lateral flexion, Ipsilateral lumbar to cervical rotation
lumbar to cervical extension
near angles of 1st to 12th ribs, transverse processes of C4 to C7
Show attachments
spinous processes T11 to L5, iliac crest, sacrum/sacral ligaments, transverse processes of L1 to L4, thoracolumbar fascia (TLF), medial to angles of 1st to 12th ribs
Show muscle image
Torso
Iliocostalis
Show muscle image
ventral rami of the T12 subcostal nerve, L1 to L4 spinal nerve
(T12, L1, L2, L3, L4)
Show nerve
Ipsilateral lumbar rotation
Lumbar stabilizer
iliac crest, iliolumbar ligament, transverse processes of lumbar vertebrae
Show attachments
medial half of lower border of rib 12
Show muscle image
Torso
Quadratus lumborum
Show muscle image
dorsal rami of adjacent spinal nerves
(C1, C2, C3, C4, C5, C6, C7, C8, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, L1, L2, L3, L4, L5)
Show nerve
Ipsilateral lumbar to cervical lateral flexion, Ipsilateral lumbar to cervical rotation
lumbar to cervical extension
Transverse processes of T1 to T12, ribs 3 to 12, transverse processes of C2 to C6, mastoid process of temporal bone
Show attachments
Spinous processes T11 to L5, iliac crest, sacral ligaments, transverse processes of L1 to L5, thoracolumbar fascia, transverse processes of T1 to T6, articular processes of C4 to C7
Show muscle image
Torso
Longissimus
Show muscle image
dorsal rami of C5 to C7
(C5, C6, C7)
Show nerve
Ipsilateral cervical lateral flexion and rotation
Cervical extension
spinous processes T3 to T6
Show attachments
Transverse processes C1 to C4
Show muscle image
Torso
Splenius Cervicis
Show muscle image
ventral rami of T7 to T12, L1 spinal nerve
(T7, T8, T9, T10, T11, T12, L1)
Show nerve
Ipsilateral lumbar to thoracic lateral flexion, contralateral lumbar to thoracic rotation, expiration
Lumbar to thoracic flexion
outer lip of anterior 2/3 iliac crest, linea alba, pubic tubercle, thoracolumbar fascia (TLF)
Show attachments
5th to 12th ribs, Costal cartilages of 5th to 10th ribs
Show muscle image
Torso
External Oblique
Show muscle image
ventral rami of adjacent spinal nerves, dorsal rami of adjacent nerves
(C1, C2, C3, C4, C5, C6, C7, C8, L1, L2, L3, L4, L5)
Show nerve
ipsilateral cervical and lumbar side flexion
Lumbar and cervical stabilizers
transverse processes of C1 to C6, transverse processes of L1 to L4
Show attachments
transverse processes of C2 to C7, transverse processes L2 to L5
Show muscle image
Torso
Intertransversarii
Show muscle image
ventral rami of adjacent spinal nerves
(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)
Show nerve
Inspiration
Upper border of the 2nd to 12th ribs
Show attachments
Lower border of 1st to 11th ribs
Show muscle image
Torso
Intercostals
Show muscle image
ventral rami of T7 to T12, L1 spinal nerve
(T7, T8, T9, T10, T11, T12, L1)
Show nerve
Ipsilateral lumbar to thoracic lateral flexion, ipsilateral lumbar to thoracic rotation, expiration
Lumbar to thoracic flexion
lateral 2/3 of inguinal ligament, middle lip of anterior 2/3 iliac crest, body of pubis, pubic crest, thoracolumbar fascia (TLF) - most fibres
Show attachments
9th to 12th ribs
Show muscle image
Torso
Internal Oblique
Show muscle image
ventral rami of T2 to T6
(T2, T3, T4, T5, T6)
Show nerve
Inspiration
lateral to angles of 2nd to 5th ribs
Show attachments
ligamentum nuchae, spinous processes C7 to T3
Show muscle image
Torso
Serratus Posterior Superior
Show muscle image
tibial nerve
(S1, S2)
Show nerve
Ankle plantarflexion
posterior calcaneus via tendocalcaneus
Show attachments
soleal line of tibia, posterior proximal 1/3 fibula
Show muscle image
Lower Limb
Soleus
Show muscle image
Musculocutaneous nerve
(C5, C6)
Show nerve
Forearm supination, Shoulder flexion
Elbow flexion
Radial tuberosity, Bicipital aponeurosis
Show attachments
Corocoid process, Supraglenoid tubercle
Show muscle image
Upper Limb
Biceps Brachii
Show muscle image
Thoracodorsal nerve
(C6, C7, C8)
Show nerve
Shoulder extension, Shoulder adduction, Shoulder internal rotation
Floor of the inter tubercular
groove
Show attachments
Thoracolumbar fascia, 8th to 12th ribs, Fascia to inferior angle of scapula
Show muscle image
Upper Limb, Torso
Latissimus Dorsi
Show muscle image
MUSCULOSKELORDLE
Torso and Neck Mode
Abductor Digiti Minimi
Lower Limb
Abductor Digiti Minimi
Upper Limb
Abductor Hallucis
Lower Limb
Abductor Pollicis Brevis
Upper Limb
Abductor Pollicis Longus
Upper Limb
Add paragraph text. Click “Edit Text” to customize this theme across your site. You can update and reuse text themes.
