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17 Cards in this Set
- Front
- Back
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What muscles are part of the Superficial Erector Spinae?
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Iliocostalis
Longissimus Spinalis |
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What is the division in the group of Superficial Erector Spinae muscles?
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Lumborum (Lumbar)
Thoracis (Thoracic) Cervicis (Cervical) |
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What is the common origin of the Superficial Erector Spinae muscles?
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Iliac crest of the pelvis
Sacrum Spinous and transverse process of T11-L5 |
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What is the insertion of the Iliocostalis muscles?
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Lumborum: Inferior border of ribs 7-12
Thoracis: Superior border of ribs 1-6 Cervicis: Transverse process of C4-C6 |
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What is the insertion of the Longissimus muscles?
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Thoracis: Transverse process T1-T12; ribs 2-12
Cervicis: Transverse process of C6-C2 Capitis: Mastoid process of the skull |
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What is the insertion of the Spinalis muscles?
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Thoracis: Spinous process of T7-T4
Cervicis: Spinous process of C3-C2 Capitis: Between the superior and inferior nuchal lines on occipital bone of the skull. |
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What is the isolated function of the Superficial Erector Spinae?
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Concentrically accelerates spinal extension, rotation, and latteral flexion.
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What is the integrated function of the Superficial Erector Spinae?
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Eccentrically decelerates spinal flexion, rotation, and lateral flexion.
Dynamically stabilizes the spine during functional movements. |
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What is the origin and insertion of the Quadratus Lumborum?
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Origin: Iliac crest of the pelvis.
Insertion: 12th rib and transverse process L2-L5 |
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What is the isolated function of the Quadratus Lumborum?
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Spinal lateral flexion
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What is the integrated function of the Quadratus Lumborum?
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Eccentrically decelerates contralateral lateral spinal flexion.
Isometrically stabilizes the lumbo-pelvic-hip complex. |
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What is the origin and insertion of the Multifidus?
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Origin: Posterior aspect of the sacrum and processes of the lumbar, thoracic, and cervical spine.
Insertion: Spinous processes of one to four segments above the origin. |
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What is the isolated function of the Multifidus?
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Concentrically accelerates spinal extension and contralateral rotation.
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What is the integrated function of the Multifidus?
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Eccentrically decelerates spinal flexion and rotation.
Isometrically stabilizes the spine. |
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What is the origin and insertion of the Latissimus Dorsi?
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Origin: Spinous processes of T7-T12
Iliac crest of the pelvis Thoracolumbar fascia Ribs 9-12 Insertion: Inferior angle of the scapula Intertubercular groove of the humerus |
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What is the isolated function of the Latissimus Dorsi?
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Concentrically accelerates shoulder extension, adduction, and internal rotation.
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What is the integrated function of the Latissimus Dorsi?
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Eccentrically decelerates shoulder flexion, abduction, and external rotation.
Eccentrically decelerates spinal flexion. Isometrically stabilizes the lumbo-pelvic-hip complex and shoulder |
