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33 Cards in this Set
- Front
- Back
Splenius capitis
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Origin - Lower part of ligamentum nuchae and lower cervical spines
Insertion - Mastoid process and superior nuchal line Action - Together; extend head. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Splenius cervicis
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Origin - Spines of T3 to T6
Insertion - Transverse processes of C1 to C4 Action - Together; extend head. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Iliocostalis lumborum
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Origin - body of erector spinae, ribs at ascending levels
Insertion - lower ribs Action - Together; extend back. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Iliocostalis thoracis
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Origin - body of erector spinae, ribs at ascending levels
Insertion - upper ribs Action - Together; extend back. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Iliocostalis cervicis
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Origin - body of erector spinae, ribs at ascending levels
Insertion - transverse processes of C4 to C6 Action - Together; extend back. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Longissimus thoracis
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Origin - body of erector spinae, transverse processes of ascending vertebrae
Insertion - transverse processes of thoracic vertebrae Action - Together; extend back. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Longissimus cervicis
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Origin - body of erector spinae, transverse processes of ascending vertebrae
Insertion - transverse processes of cervical vertebrae Action - Together; extend back. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Longissimus capitis
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Origin - body of erector spinae, transverse processes of ascending vertebrae
Insertion - mastoid process of skull Action - Together; extend back. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Spinalis thoracis
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Origin - spines of ascending vertebrae
Insertion - spines of thoracic vertebrae Action - Together; extend back. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Spinalis cervicis
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Origin - spines of ascending vertebrae
Insertion - spines of cervical vertebrae Action - Together; extend back. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Spinalis capitis
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Origin - spines of ascending vertebrae
Insertion - between superior and inferior nuchal lines Action - Together; extend back. Individually; lateral flexion and rotation Nerve - PPR of spinal nerves |
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Transversospinalis
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Origin - transverse processes of ascending vertebrae
Insertion - spines of ascending vertebrae Action - Together; extend head and spine. Individually; lateral flexion and rotates spine Nerve - PPR of spinal nerves |
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Semispinalis thoracis (part of transversospinalis)
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Origin - transverse processes of ascending vertebrae
Insertion - spines of higher (+5/6) thoracic vertebrae Action - Together; extend head and spine. Individually; lateral flexion and rotates spine Nerve - PPR of spinal nerves |
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Semispinalis (cervicis) part of transversospinalis
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Origin - transverse processes of ascending vertebrae
Insertion - spans 5 or 6 vertebrae to insert on spines of cervical vertebrae Action - Together; extend head and spine. Individually; lateral flexion and rotates spine Nerve - PPR of spinal nerves |
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Semispinalis capitis (part of transversospinalis)
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Origin - transverse processes of ascending vertebrae
Insertion - spans 5 or 6 vertebrae to insert between superior and inferior nuchal lines Action - Together; extend head and spine. Individually; lateral flexion and rotates spine Nerve - PPR of spinal nerves |
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Multifidus (part of transversospinalis)
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Origin - transverse processes of ascending vertebrae
Insertion - spines of higher (+3) vertebrae Action - Together; extend head and spine. Individually; lateral flexion and rotates spine Nerve - PPR of spinal nerves |
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Rotatores (part of transversospinalis)
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Origin - transverse processes of ascending vertebrae
Insertion - spines of higher (+2) vertebrae Action - Together; extend head and spine. Individually; lateral flexion and rotates spine Nerve - PPR of spinal nerves |
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Interspinales
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Origin - spine of vertebrae below
Insertion - spine of vertebrae above Action - extend and rotate spine Nerve - PPR of spinal nerves |
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Intertransversarii
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Origin - transverse process below
Insertion - transverse process above Action - Together; stabilize the spine. Individually; lateral flexion Nerve - PPR of spinal nerves |
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Trapezius
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Origin - all thoracic and cervical vertebral spines and ligamentum nuchae
Insertion - spine and acromion of scapula, superior lateral third of clavical Action - upper fibers elevate scapula, lower fibers depress scapula, middle fibers retract scapula; also rotates scapula laterally--so glenoid fossa points up Nerve - Cranial nerve XI (accessory nerve) and some APR of C3-C4 Note: Rhomboid major, Lat d., and trapezius form the triangle of auscultation |
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Latissimus dorsi
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Origin - Lumbodorsal fascia, spines of T6-T12, iliac crest, lower 3-4 ribs
Insertion - humerus (intertubercular sulcus) Action - adducts arm, extends arm, rotates arm medially Nerve - thoracodorsal nerve Note: Rhomboid major, Lat d., and trapezius form the triangle of auscultation |
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Levator scapula
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Origin - Transverse processes of C1-C4
Insertion - superior aspect of vertebral border of the scapula Action - elevates scapula; rotates scapula medially (so glenoid fossa points down) Nerve - dorsal scapular |
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Rhomboids
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Origin - Spinous processes of C7-T5
Insertion - vertebral border of scapula Action - retracts scapula; rotates scapula medially (glenoid fossa points down) Nerve - dorsal scapular Note: Rhomboid major, Lat d., and trapezius form the triangle of auscultation |
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Deltoid
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Origin - inferior lateral third of clavicle; acromion and spine of scapula
Insertion - humerus (deltoid tuberosity) Action - abducts arm, flexes arm, rotates arm medially, extends arm, rotates arm laterally Nerve - axillary |
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Teres major
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Origin - inferior angle of scapula
Insertion - humerus (medial lip of intertubercular sulcus) Action - adducts arm, extends arm, rotates arm medially Nerve - lower subscapular |
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Supraspinatus
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Origin - supraspinous fossa
Insertion - humerus (greater tubercule) Action - abducts arm, stabilizes shoulder joint Nerve - suprascapular |
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Infraspinatus
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Origin - infraspinous process
Insertion - humerus (greater tubercule) Action - rotates arm laterally, slightly adducts arm, stablizes shoulder joint Nerve - suprascapular |
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Teres minor
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Origin - Inferior lateral border of scapula
Insertion - Humerus (greater tubercule) Action - rotates arm laterally, extends arm, adducts arm Nerve - axillary |
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Subscapularis
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Origin - subscapular fossa
Insertion - Humerus (lesser tubercule) Action - rotates arm medially, stabilizes shoulder joint Nerve - upper and lower subscapular |
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Obliquus capitis superior
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Origin - transverse processes of atlas
Insertion - above inferior nuchal line Action - Together; extends head, Individually; lateral rotation Nerve - PPR of C1 - suboccipital nerve |
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Obliquus capitis inferior
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Origin - spine of axis
Insertion - transverse process of atlas Action - Together; extend head, Individually; rotates atlas and skull about dens (odontoid process) Nerve - suboccipital nerve (PPR of C1) |
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Rectus capitis posterior major
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Origin - spine of axis
Insertion - inferior nuchal line, lateral to r.c.p. minor Action - Together; extend, Individually; lateral rotation Nerve - suboccipital nerve (PPR of C1) |
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Rectus capitis posterior minor
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Origin - posterior tubercule of atlas
Insertion - inferior nuchal line, medial to insertion of r.c.p. major Action - Together; extend head, Individually; lateral flexion of head Nerve - suboccipital nerve (PPR of C1) Note: only suboccipital muscle that is not a part of the suboccipital triangle |