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21 Cards in this Set
- Front
- Back
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Splenius capitis
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Action: Turns head to the same side.
Innervation: Cervical Spine nerves. Origin: Ligamentum Nuchae Insertion: Occipitial bone and mastiod process of temporal bone. |
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Longissimus Capitis
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Action: Turns (rotates) the head to the same side.
Innervation: Cervical and thoracic spinal nerves. Origin: Transverse process of T1-T4 and articular processes of C4-C7 Insertion: mastoid process |
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Obliquus Capitis Superior
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Action: Turns head to the same side.
Innervation: Subocciipital nerve (posterior ramus of 1st cervical spinal nerve.) Origin: Transverse process of atlas Insertion: inferior nuchal line |
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Rectus capitis posterior major
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Action: Extends head and neck
Innervation: Suboccipital nerve (posterior ramus of 1st cervical spinal nerve) Origin: Spinous process of axis Insertion: Inferior nuchal line of occipital bone |
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Iliocostalis group
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Action: extends neck and vertebral column; maintains posture.
Innervation: Cervical, thoracic and lumbar spinal nerves. Origin: Tendon from posterior part of iliac crest, posterior sacrum and lumbar spinous process. Insertion: Angles of ribs; transverse processes of cervical vertebrae. |
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Longissimus group
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Action: Extends neck and vertebral column and rotates head; maintains posture.
Innervation: Cervical and thoracic spinal nerves Origin: Tendon from posterior part of iliac crest, posterior sacrum and lumbar spinous processes. Insertion: Mastoid process of temporal bone and transverse processes of cervical and thoracic vertebrae. |
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Spinalis group
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Action: Extends neck and vertebral column; maintains posture.
Innervation: Cervical and thoracic spinal nerves. Origin: Lumbar spinous processes (thoracic part) and C7 spinous processess (cervical part) Insertion: Spinous process of axis and thoracic vertebrae. |
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Rotatores
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Action: Extends Vertebral column; rotates vertebral column toward opposite side.
Innervation: Cervical, thoracic and Lumbar spinal nerves. Origin: Transverse processes of each vertebra Insertion: Spinous process of immediate superior vertebra |
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Multifundus
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Action: Extends vertebral column; rotates vertebral column toward opposite side.
Innervation: Cervical, throacic and lumbar spinal nerves. Origin: Sacrum and transverse processes of each vertebra Insertion: Spinous processes of vertebrae located 2-4 segments superior to origin. |
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Semispinalis group
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Action: Extends vertebral column and neck.
Innervation: Cervical and thoracic spinal nerves. Origin: Transverse process of C4-T12 Insertion: Occipital bone and spinous processes of cervical and thoracic vertebrae. |
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Serratus posterior inferior
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Action: Depresses ribs during exhalation.
Innervation: Thoracic spinal nerves. Origin: Spinous processes of c7-T3 Insertion: Lateral borders of ribs 2-5 |
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Serratus anterior
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Action: Prime mover in scapula protraction.
Innervation: Long throacic nerve Origin: Ribs 1-8, anterior and superior margins Insertion: Medial border of scapula, anterior surface |
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Rhomboid major
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Action: Elevates and retracts scapula.
Innervation: Dorsal scapular nerve (C5) Origin: Spinous process of T2-T5 Insertion: Medial border of scapula from spine to inferior angle |
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Trapezius
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Action: Elevate and superiorly rotate scapula.
Innervation: accessory nerve (CN XI) Origin: Occipital bone; lagmantum nuchae and spinous processes of c7-T12 Insertion: Clavicle, acromion process and spine of scapula |
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Lattissimus dorsi
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Action: Prime mover of arm extension.
Innervation: Throacodorsal nerve (C6-C8) Origin: Spinous process of T7-T12; Ribs 8-12; iliac crest and thoracolumbar fascia Insertion: Intertubercular groove of humerus |
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Subscapularis
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Action: medially rotates arm
Innervation: upper and lower subscapular nerves (C5-C6) Origin: Subscapular fossa of scapula Insertion: Lesser tubercle of humerus |
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Supraspinatus
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Action: Abducts arm
Innervation: Suprascapular nerve (C5-C6) Origin: Supraspinous fossa of scapula Insertion: greater tubercle of humerus |
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Teres minor
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Action: adducts and rotates laterally arm.
Innervation: Axillary nerve (C5-C6) Origin: Upper dorsal lateral border of scapula Insertion: greater tubercle of humerus |
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Gluteus maximus
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Action: extends thigh
Innervation: Inferior gluteal nerve (L5-S2) Origin: iliac crest, sacrum , coccyx Insertion: Iliotibial tract of fascia lata; linea aspera and gluteal tuberosity of femur |
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Gluteus medius
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Action: abducts thigh
Innervation: Superior gluteal nerve. Origin: Posterior iliac crest; lateral surface between posterior and anterior gluteal lines Insertion: Greater trochanter of femur |
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What are the rotator cuff muscles?
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Infraspinatus
Teres minor Supraspinatus Subscapularis |
