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O I A
Origin Insertion Action of Neck and Back Muscles
| Question | Answer |
|---|---|
| Splenius Capitis Origin of muscle | SP of C7 to T3 |
| Splenius Capitis Insertion of muscle | Mastoid process and lateral portion of superior nuchal line |
| Splenius Capitis Action | Bilaterally: Extention of head and neck Unilaterally: Ipsilateral Lateral Flexion of head and neck Ipsilateral rotation of head and neck |
| Where is the Mastoid Process located | Temporal Bone and Occipital Bone |
| Splenius Cervicis Insertion of muscle | TP of upper Cervical Vertebrae |
| Splenius Cervicis Origin of muscle | SP of T3 to T6 |
| Splenius Cervicis Action of muscle. Bilaterally and Unilaterally | Bilaterally: Extension of neck Unilaterally: Ipsilateral Lateral Flexion of neck Ipsilateral Rotation of neck |
| Splenius capitis is a muscle of what region? | Neck |
| Splenius Cervicis is a muscle of waht region? | Neck |
| Four muscle that make up the Suboccipitals? | Rectus Capitis Posterior Major Rectus Capitis Posterior Minor Oblique Capitis Superior Oblique Capitis Inferior |
| What is the Action of the Suboccipital muscles? | Rocking, tilting, extension |
| Rectus Capitis Posterior Major, muscle Origin and Insertion? | Origin: SP of C2 Insertion: Occiput |
| Rectus Capitis Posterior Minor, muscle Origin and Insertion? | Origin: C1 Insertion: Occiput |
| Obliquus Capitis Inferior, Action? | Rocking, Tilting, extension |
| Obliquus Capitis Inferior, Origin of muscle | SP of C2 |
| Insertion of muscle on Obliquus Capitis Inferior | TP of C1 |
| Obliquus Capitis Superior, Origin | TP of C1 |
| Obliquus Capitis Superior, Insertion | Occiput |
| Obliquus Capitis Superior, Action | Rocking, tilting, extension |
| Rectus Capitis Posterior Major, Rectus Capitis Posterior Minor, Obliquus Capitis Superior, Obliquus Capitis Inferior, make up what group | Suboccipital Group |
| Sternocleidomastoid, Insertion | Mastoid Process of temporal bone |
| Origin of SCM muscle | Sternal Head: top of manubrium Clavicular head: medial 1/3 of clavicle |
| SCM, Action, bilaterally and unilaterally | Bilaterally: Flexion of neck Unilaterally: Ipsilateral Lateral flexion Contralateral rotation |
| Three muscles that make up the Erector Spinae Group | Spinalis Longissimus, Iliocostalis |
| Erector Spinae Group, Origin | Origin: Common tendon (thoracolumbar aponeurosis) that attaches to the posterior surface of sacrum, iliac crest, SP and last two thoracic vertebrae |
| Erector Spinae Group, Action, Unilaterally and Bilaterally | Unilaterally: Ipsilateral Lateral Flexion Bilaterally: Extension of Vertbral Column |
| Erector Spinae Group, Insertion | Various attachments at the posterior ribs, SP TP of the thoracic and cervical vertbrae and mastoid process of temporal bone. |
| Spinalis, Origin | SP of upper lumbar and lower thoracic vertebrae SP to SP |
| Spinalis, Insertion | SP of upper thoracic and SP of cervicals SP to SP |
| Longissimus, Origin | TP of upper 5 thoracic vertebrae |
| Longissimus, Insertion | Lower 9 ribs and TP of thoracic vertebrae TP of cervical Vertebrae Mastoid process of temporal bone |
| Iliocostalis, Origin | Posterior of ribs 1-12 |
| Iliocostalis, Insertion | TP ribs 1-12 and TP ribs 1-6 |
| Transversospinalis Group, what are the three muscles | Multifidi, Rotatores, Semisinalis capitis. |
| Which one lies deeper, Multifidi and Rotatores | Rotatores lie deep to the multifidi |
| Multifidi, Origin, insertion | Origin: Sacrum and TP of lumbar vertebrae Insertion: SP of lumbar vertebrae |
| Rotatores, Origin, Insertion | Origin: TP of lumbar vertebrae Insertion: SP of lumbar vertebrae |
| Action of Multifidi and Rotatores, Bilateral and Unilateral | Bilaterally: Extenion Unilaterally: Contralateral Rotation |
| Quadratus Lumborum is also called | Hip Hiker |
| Quadratus Lumborum, Insertion | Last rib and TP 1-4 lumbar vertebrae |
| Quadratus Lumborum, Origin | Posterior iliac crest |
| Action, Unilaterally and Bilaterally of Quadratus Lumborum | Bilaterally: Extenion Unilaterally: Elevation of hip and Ipsilateral Lateral flexion |
| Muscles of the Abdominals, four | Rectus Abdominis, External Oblique, Internal Oblique, Transverse Abdominis |
| Rectus Abdominis Origin | Pubic Crest |
| Rectus Abdominis Insertion | Cartilage of 5-7 ribs and xiphoid process |
| Bilaterally and Unilaterally Action of Rectus Abdominis | Bilaterally: Flextion of the neck Unilaterally: Ipsilateraly Lateral Flexion |
| External Oblique Origin | Lower 8 ribs |
| External Oblique Insertion | Anterior part of iliac crest, lines alba |
| Action, Unilaterally and bilaterally of External Oblique | Bilaterally: Flexion of vertedral column Unilaterally: Ipsilateral lateral flexion and contralateral Rotation |
| Internal Oblique Origin | Inguinal ligament, iliac crest and thoracolumbar fascia |
| Internal Oblique, Insertion | Lower 3 ribs, abdominal aponeurosis to lines alba |
| Action, Bilaterally and Unilaterally of Internal Oblique | Bilaterally: Flexion Unilaterally: Ipsilateral lateral flexion of vertebral column. Ipsilateral Rotation of vertebral column |
| Transverse Abdominis (action) | Combo of all 4 abdominal muscles (action) |
| Origin of transverse Abdominis | Ingunal ligament, iliac crest, lower six ribs |
| Insertion of transverse Abdominis muscles | Abdominal aponeurosis to lines albaa |