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KA II - Exam I
Muscle Actions and Attachments
Question | Answer |
---|---|
Rectus Capitis Lateralis - Actions | Atlanto-occipital: Lateral Flexion |
Rectus Capitis Lateralis - Attachments | O: Transverse process of C1 (atlas) I: Occipital Bone (jugular process) |
Rectus Capitis Posterior Minor - Actions | Atlanto-occipital: Extension |
Rectus Capitis Posterior Minor - Attachments | O: Tubercle of posterior arch of (C1) atlas I: Most medial fossa below inferior nuchal line (next to foramen magnum) |
Rectus Capitis Posterior Major - Actions | Atlanto-occipital: Extension Atlanto-occipital: Same Side Rotation |
Rectus Capitis Posterior Major - Attachments | O: Spinous Process of C2 (axis) I: Middle fossa below lateral inferior nuchal line (lateral to Rectus Capitus Posterior Minor. |
Obliquus Capitis Inferior - Actions | Atlanto-axial: Same Side Rotation |
Obliquus Capitis Inferior - Attachments | O: Spine & Lamina of C2 (axis) I: Transverse Process of C1 (atlas) |
Obliquus Capitis Superior - Actions | Atlanto-occipital: Extension, lateral flexion, (opposite side rotation?) |
Obliquus Capitis Superior - Attachments | O: Transverse process of C1 (atlas) I: Most lateral fossa, extending between superior and inferior nuchal lines and overlapping insertion of Rectus Capitis Posterior Major |
Rectus Capitis Anterior - Actions | Atlanto-occipital: Flexion |
Rectus Capitis Anterior - Attachments | O: Anterior Surface of the lateral mass of C1 (atalas) I: Basal part of the occipital bone |
Anterior Scalene - Actions | Cervical vertebrae: Flexion, lateral flexion Costovertebral: Elevation of rib #1 (inspiration) |
Anterior Scalene - Attachments | O: Anterior tubercles on transverse process of C3-C6 I: Rib #1 |
Middle Scalene - Actions | Cervical Vertebrae: Lateral Flexion Costovertebral: Elevation of rib #1 (inspiration) |
Middle Scalene - Attachments | O: Posterior tubercles on transverse process of C2-C7 I: Rib #1 |
Posterior Scalene - Actions | Cervical Vertebrae: Lateral flexion Costovertebral: Elevation of rib #2 (inspiration) |
Posterior Scalene - Attachments | O: Posterior tubercles on transverse process of C4-C6 I: Rib #2 |
Sternocleidomastoid - Actions | Head and Cervical vertebrae: Flexion, Lateral Flexion, Opposite Side Rotation |
Sternocleidomastoid - Attachments | O: Manubrium of sternum next to the sternal notch, medial 1/3 of clavicle I: Mastoid process and lateral part of superior nuchal line. |
Quadratus Lumborum - Actions | 12th rib: Stabilization Lumbar spine: Lateral flexion, extension |
Quadratus Lumborum - Attachments | O (caudal): Iliolumbar ligament & adjacent iliac crest I (cranial): 12th ribs, tip of transverse process of L1-L4. |
Iliacus - Actions | Hip: Flexion and lateral rotation |
Iliacus - Attachments | O: Iliac fossa I: Lesser trochanter (common tendon with psoas major) |
Psoas major - Actions | Hip: Flexion, Lateral Rotation Lumbar Spine: Extension, lateral flexion, stabilization |
Psoas Major - Attachments | O: Lateral part of bodies and discs, anterior transverse processes from T12-L5: Lesser trochanter or femur (common tendon with iliacus) |
Rectus Abdominis - Actions | Lumbar Spine: Flexion Ribs: Depression |
Rectus Abdominis - Attachments | O: Costal Cartilage 5, 6, 7, xiphoid process I: Pubic crest and tubercles |
External Oblique - Actions | Vertebral Column: Flexion, lateral flexion, opposite side rotation. |
External Oblique - Attachments | O: Lower margin of ribs 5-12 I: Anterior part of the iliac crest, inguinal ligament, rectus sheath and linea alba |
Multifidus - Actions | Vertebrae: Extension, Lateral Flexion, Opposite Side Rotation |
Multifidus - Attachments | O: (caudal) All transverse processes from sacrum to C4 (articular process in the lumber region) I: (cranial) Spinous process of two to five vertebrae above Hint: 4 strands from each transverse process fan out to spinous process 2 to 5 vertebrae above. |