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40 Cards in this Set
- Front
- Back
- 3rd side (hint)
Trapezius (medial and lateral attachments and action)
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Medial Attachment:
- Descending - nuchal line and occipital protuberance - Middle - spinous process of thoracic vertebrae - Ascending - spinous process of thoracic vertebrae Lateral Attachment: - Descending - clavicle and acromion of scapula - Middle - spine of scapula - Ascending - spine of scapula Action: - Descending - elevates scapula - Middle - retracts scapula - Ascending - depresses scapula - Descending and Ascending together - rotate scapula superiorly |
Superficial Back Muscles
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Trapezius (innervation)
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- Spinal accessory nerve (motor [C1 to c5])
- Ventral (anterior) rami of C3 and C4 (pain and propioreception) |
Superficial Back Muscles
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Latissimus dorsi (inferior and lateral attachments and action)
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Inferior Attachment:
- Spinous process of thoracic and lumbar vertebrae - Illiac crest - Lower ribs Medial Attachment: - Intertubercular sulcus (bicipital groove) of humerus Action: -Extends, adducts and medially rotates humerus - Raises body when climbing |
Superficial Back Muscles
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Latissimus dorsi (innervation)
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- Thoracodorsal nerve (C6 to C8)
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Superficial Back Muscles
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Rhomboid major and minor muscles (medial and lateral attachments and action)
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Medial Attachment:
- Minor: Spinour processes of C7 and T1 - Major: Spinous processes of upper thoracic vertebrae Lateral Attachment: - Both: Medial border of scapula Action: - Both: Retract scapula and rotate scapula inferiorly |
Superficial Back Muscles
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Rhomboid major and minor muscles (innervation)
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- Both: Dorsal scapular nerve (C4 and C5)
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Superficial Back Muscles
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Levator scapulae (attachments and action)
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Attachment:
- Transverse processes of cervical vertebrae Attachment: - Medial border of scapula Action: - Elevates scapula - Rotates scapula inferiorly |
Superficial Back Muscles
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Levator scapulae (innervation)
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- Dorsal scapular nerve (C5)
- Ventral (anterior) rami of C3 and C4 |
Superficial Back Muscles
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Serratus posterior superior (medial and lateral attachments and action)
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Medial Attachment:
- Nuchal ligament - Spinous processes of cervical vertebrae Lateral Attachment: - Upper ribs Action: - Elevates ribs |
Deep Back Muscles
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Serratus posterior superior (innervation)
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- Upper intercostal nerves (T2 to T5)
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Deep Back Muscles
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Serratus posterior inferior (medial and lateral attachments and action)
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Medial Attachment:
- Spinous processes of thoracic and lumbar vertebrae Lateral Attachment: - Lower ribs Action: - Depresses ribs |
Deep Back Muscles
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Serratus posterior inferior (innervation)
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- Lower intercostal nerves (T9 to T11) and subcostal nerve (T12)
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Deep Back Muscles
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Splenius (2) (attachments and action)
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Attachment:
- Splenius capitis: Nuchal ligament; spinous processes of cervical and thoracic vertebrae - Splenius cervicis: Spinous processes of thoracic vertebrae Attachment: - Splenius capitis: Mastoid process; superior nuchal line - Splenius cervicis: Transverse process of cervical vertebrae Action: - Unilaterally: laterally bends neck and rotates head / neck - Bilaterally: extend head / neck |
Deep Back Muscles
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Splenius (innervation)
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- Posterior rami of cervical spinal nerves (C1 to C8)
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Deep Back Muscles
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Spinalis (attachments and action)
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Attachment:
- Spinous processes of thoracic and lumbar vertebrae Attachment: - Spinous processes of cervical and thoracic vertebrae Action: - Unilaterally: Laterally bends vertebral column - Bilaterally: Extend vertebral column |
Deep Back Muscles
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Spinalis (innervation)
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- Posterior rami of cervical, thoracic and lumbar spinal nerves (C1 to L5)
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Deep Back Muscles
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Longissimus (attachments and action)
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Attachment:
- Illiac crest - Posterior surface of sacrum - Spinous process of lumbar vertebrae Attachment: - Ribs between tubercle and angle - Transverse processes of cervical and thoracic vertebrae - Mastoid process Action: - Unilaterally: Laterally bends vertebral column - Bilaterally: Extend vertebral column |
Deep Back Muscles
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Longissimus (innervation)
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- Posterior rami of cervical, thoracic and lumbar spinal nerves (C1 to L5)
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Deep Back Muscles
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Iliocostalis (attachments and action)
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Attachment:
- Illiac crest - Posterior surface of sacrum Attachment: - Angles of ribs - Transverse processes of cervical vertebrae Action: - Unilaterally: Laterally bends vertebral column - Bilaterally: Extend vertebral column |
Deep Back Muscles
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Iliocostalis (innervation)
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- Posterior rami of cervical, thoracic and lumbar spinal nerves (C1 to L5)
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Deep Back Muscles
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Semispinalis (attachments and action)
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Attachment:
- Transverse processes of cervical and thoracic vertebrae Attachment: - Semispinalis capitis: Occipital bone - Semispinalsis cervicis: Spinous processes of cervical vertebrae - Semispinalis thoracis: Spinous processes of thoracic vertebrae Action: - Unilaterally: Rotates head and vertebral column - Bilaterally: Extend head and vertebral column |
Deep Back Muscles
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Semispinalis (innervation)
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- Posterior rami of cervical and thoracic spinal nerves (C1 to T12)
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Deep Back Muscles
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Multifidus (attachments and action)
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Attachment:
- Posterior sacrum - Posterior superior iliac spine - Mammillary processes of thoracic vertebrae - Transverse processes of thoracic vertebrae - Articular processes of cervical vertebrae Attachment: - Spinous processes of cervical, thoracic and lumbar vertebrae Action: - Stabilize vertebrae - Extend and rotate vertebral column |
Deep Back Muscles
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Multifidus (innervation)
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- Posterior rami of cervical, thoracic, and lumbar spinal nerves (C1 to L5)
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Deep Back Muscles
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Rotatores (attachments and action)
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Attachment:
- Transverse processes of all vertebrae Attachment: - Lamina of all vertebrae Action: - Stabilize vertebrae - Extend and rotate vertebral column - Proprioception |
Deep Back Muscles
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Rotatores (innervation)
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- Posterior rami of cervical, thoracic, and lumbar spinal nerves (C1 to L5)
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Deep Back Muscles
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Interspinales (attachments and action)
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Attachment:
- Superior surface of spinous processes of all vertebrae Attachment: - Inferior surface of spinous processes of all vertebrae Action: - Stabilize - Extend vertebral column |
Deep Back Muscles
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Interspinales (innervation)
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- Posterior rami of cervical, thoracic, and lumbar spinal nerves (C1 to L5)
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Deep Back Muscles
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Intertransversarii (attachments and action)
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Attachment:
- Superior surface of transverse processes of all vertebrae Attachment: - Inferior surface of transverse processes of all vertebrae Action: - Stabilize vertebrae - Lateral flexion of vertebral column |
Deep Back Muscles
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Intertransversarii (innervation)
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- Posterior rami of cervical, thoracic, and lumbar spinal nerves (C1 to L5)
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Deep Back Muscles
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Levatores costarum (attachments and action)
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Attachment:
- Transverse processes of C7 and thoracic vertebrae Attachment: - Ribs between tubercle and angle Action: - Elevate ribs - Lateral flexion of vertebral column |
Deep Back Muscles
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Levatores costarum (innervation)
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- Posterior rami of C8 to T11 spinal nerves
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Deep Back Muscles
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Obliquus capitis superior (attachments and action)
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Attachment:
- Transverse process of atlas Attachment: - Occipital bone btw superior and inferior nuchal lines Action: - Extends head |
Deep Back Muscles
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Obliquus capitis superior (innervation)
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- Suboccipital nerve (posterior rami of C1)
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Deep Back Muscles
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Obliquus capitis inferior (attachments and action)
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Attachment:
- Spinous process of axis Attachment: - Transverse process of atlas Action: - Rotates head |
Deep Back Muscles
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Obliquus capitis inferior (innervation)
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- Suboccipital nerve (posterior rami of C1)
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Deep Back Muscles
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Rectus capitis posterior major (attachments and action)
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Attachment:
- Spinous process of axis Attachment: - Inferior nuchal line Action: - Extends head |
Deep Back Muscles
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Rectus capitis posterior major (innervation)
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- Suboccipital nerve (posterior rami of C1)
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Deep Back Muscles
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Rectus capitis posterior minor (attachments and action)
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Attachment:
- Posterior tubercle of atlas Attachment: - Inferior nuchal line Action: - Extends head |
Deep Back Muscles
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Rectus capitis posterior minor (innervation)
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- Suboccipital nerve (posterior rami of C1)
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Deep Back Muscles
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