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38 Cards in this Set
- Front
- Back
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Trapezius O&I |
O- occipital bone (superior nuchal line); ligamentum nuchae; spinous processes of C7-T12 I- Clavicle; acromion process and spine of scapula |
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Trapezius Action and Innervation |
Action- Superior fibers: elevate and superiorly rotate scapula; middle fibers: retract scapula; inferior fibers: depress scapula Innervation - Accessory nerve (CN XI) |
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Latissimus Dorsi O&I |
O- spinous processes of T7-T12; ribs 8-12; iliac crest; thoracolumbar fascia I- intertubercular groove of humerus |
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Latissimus Dorsi Action and Innervation |
Action - agonist of arm extension; also adducts and medially rotates arm Innervation - Thoracodorsal nerve (C6-C8) |
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Rhomboid Major O&I |
O- spinous process of T2-T5 I - medial border of scapula from spine to inferior angle |
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Rhomboid Major Action and Innervation |
Action - elevates and retracts (adducts) scapula; inferiorly rotates scapula Innervation - dorsal scapular nerve (C5) |
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Teres Minor O&I |
O - Upper dorsal lateral border of scapula (superior to teres major origin) I - Greater tubercle of humerus |
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Teres Minor Action and Innervation |
Action - adducts and laterally rotates arm Innervation - Axillary nerve (C5-C6) |
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Supraspinatus O&I |
O - Supraspinous fossa of scapula I - Greater tubercle of humerus |
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Supraspinatus Action and Innervation |
Action - Abducts arm Innervation - Suprascapular nerve ( C5-C6) |
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Subscapularis O&I |
O - Subscapular fossa of scapula I - Lesser tubercle of humerus |
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Suscapularis Action and Innervation |
Action - Medially rotates arm Innervation - Upper and Lower sub scapular nerves ( C5-C6) |
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Serratus anterior O&I |
O - Ribs 1-8, anterior and superior margins I - Medial border of scapula, anterior surface |
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Serratus anterior Action and Innervation |
Action - Agonist in scapula protraction; superiorly rotates scapula ( so glenoid cavity moves superiorly); stabilizes scapula Innervation - long thoracic nerve ( C5-C7) |
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Serratus posterior inferior O&I |
O - Spinous process of T11-L2 vertebrae I - Inferior borders of ribs 8-12 |
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Serratus posterior inferior Action and Innervation |
Action - Depresses ribs during forced exhalation Innervation - Thoracic Spinal nerves |
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Splenius Capitis O&I |
O - Ligamentum nuchae I - Occipital bone and mastoid process of temporal bone |
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Splenius Capitis Action and Innervation |
Action - Unilateral action: turns head to same side; Bilateral action : extends head/neck Innervation - Cervical Spinal nerves |
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Iliocostalis group O&I |
O - Tendon from posterior part of iliac crest, posterior sacrum, and lumbar spinous processes I - Angles of ribs; transverse processes of cervical vertebrae |
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Iliocostalis group Action and Innervation |
Action - Extends neck and vertebral column; maintains posture Innervation - Cervical, thoracic, and lumbar spinal nerves |
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Longissimus group O&I |
O - Tendon from posterior part of iliac crest, posterior sacrum, and lumbar spinous processes I - Mastoid process of temporal bone and transvers processes of cervical and thoracic vertebrae |
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Longissimus group Action and Innervation |
Action - Extends neck and vertebral column and rotates head; maintains posture Innnervation - Cervical and thoracic spinal nerves |
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Spinalis group O&I |
O - Lumbar spinous processes (thoracic part) and C7 spinous process (cervical part) I - Spinous process of axis and thoracic vertebrae |
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Spinalis group Action and Innervation |
Action - Extends neck and vertebral column; maintains posture Innervation - Cervical and thoracic spinal nerves |
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Semispinalis group O&I |
O - Transverse processes of C4-T12 vertebrae I - Occipital bone and spinous processes of cervical and thoracic vertebrae |
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Semispinalis group Action and Innervation |
Action - Bilateral action: extends vertebral column/neck; Unilateral action: laterally flexes vertebral column/neck Innervation - Cervical and thoracic spinal nerves |
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Multifidus O&I |
O - Sacrum and transverse processes of each vertebra I - Spinous processes of vertebrae located 2-4 segments superior to origin |
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Multifidus Action and Innervation |
Action - Extends vertebral column; rotates vertebral column toward opposite side Innervation - Cervical, thoracic, and lumbar spinal nerves |
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Rotatores O&I |
O - Transverse processes of each vertebra I - Spinous process of immediately superior vertebra |
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Rortatores Action and Innervation |
Action - Extends vertebral column; rotates vertebral column toward opposite side Innervation - Cervical, thoracic, and lumbar spinal nerves |
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Oblique capitis superior O&I |
O - Transverse process of atlas I - Inferior nuchal line |
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Oblique capitis superior Action and Innervation |
Action - Turns head to same side Innervation - Suboccipital nerve (posterior rams of 1st cervical spinal nerve) |
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Rectus capitis posterior major O&I |
O - Spinous process of axis I - Inferior nuchal line of occipital bone |
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Rectus capitis posterior major Action and Innervation |
Action - Extends head/neck Innervation - Suboccipital nerve (posterior rams of 1st cervical spinal nerve) |
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Gluteus maximus O&I |
O - Iliac crest, sacrum, coccyx I - Iliotibial tract of fascia lata; linea aspera and gluteal tuberosity of femur |
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Gluteus maximus Action and Innervation |
Action - Extends thigh; laterally rotates thigh Innervation - Inferior gluteal nerve (L5-S2) |
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Gluteus medius O&I |
O - Posterior Iliac crest; lateral surface between posterior and anterior gluteal lines I - Greater trochanter of femur |
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Gluteus medius Action and Innervation |
Action - Abducts thigh; medially rotates thigh Innervation - Superior gluteal nerve (L4-S1) |
