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Muscles and nerves (MS1)
Muscles and nerves of the human body
14
Anatomy
Professional
09/09/2013

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Cards

Term

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Identify Muscle #1 and state Origin, Insertion and Innervation

Definition
Trapezius
-Medial 1/3 of nuchal line, nuchal ligament, spinous processes of C7-T12
-Spine and acromion of scapula
-CN XI: Spinal Accessory Nerve
Term

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Identify muscle #2 and state Origin, Insertion & Innervation

Definition
Levator Scapulae
-Transverse processes of C1-C4
-Medial border of scapula (superior to root of scapular spine)
-Dorsal scapular nerve (C5 ant. ramus) & ant. rami of C3/4
Term

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Identify muscle #3 and state Origin, Insertion & Innervation

Definition
Rhomboid Minor
-Nuchal ligament and spinous processes of C7 & T1
-Medial end of scapular spine
-Dorsal scapular nerve (C5 ant. ramus)
Term

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Identify muscle #4 and state Origin, Insertion & Innervation

Definition
Rhomboid Major
-Spinous processes of T2-T5
-Medial border of scapula
-Dorsal scapular nerve (C5 ant. ramus)
Term

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Identify muscle #5 and state Origin, Insertion & Innervation

Definition
Latissimus Dorsi
-Spinous processes of T6-T12, thoracolumbar fascia, iliac crest
-Inferior intertubercular groove of humerus
-Thoracodorsal nerve (C6-C8 ant. rami)
Term

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Identify muscle #1 and state Origin, insertion and innervation

Definition
Semispinalis
-Transverse processes of C4 to T12
-Thoracic and cervical spinous processes, and space between superior and inferior nuchal lines on cranium
-Posterior rami of spinal nerves
Term

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Identify muscle #2 and state Origin, insertion and innervation

Definition
Spinalis
-Broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes, and supraspinous ligament
-Spinous processes of thoracic and cervical vertebrae
-Posterior rami of spinal nerves
Term

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Identify muscle #3 and state Origin, insertion and innervation

Definition
Longissimus
-Broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes, and supraspinous ligament
-Postero-medial aspect of ribs, cervical transverse processes, and mastoid process
-Posterior rami of spinal nerves
Term

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Identify muscle #4 and state Origin, insertion and innervation

Definition
Iliocostalis
-Broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes, and supraspinous ligament
-Lateral to longissimus on ribs and cervical transverse processes
-Posterior rami of spinal nerves
Term

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Identify muscle #5 and state Origin, insertion and innervation

Definition
Serratus posterior inferior (SPI)
-Spinous processes of T11-L2
-Ribs 8 to 12
-T9 to T12 anterior rami of spinal nerves
Term

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Identify muscle #6 and state Origin, insertion and innervation

Definition
Serratus posterior superior (SPS)
-Nuchal ligament, spinous processes of C7-T3
-Ribs 2 to 4
-T2 to T5 anterior rami of spinal nerves
Term

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Identify muscle #7 and state Origin, insertion and innervation

Definition
Splenius cervicis and capitis
-Nuchal ligament, spinous processes of C7 to T3/4
-Cervicis – Transverse processes of C1 to C3/4
Capitis – Mastoid process and nuchal line
-Posterior rami of spinal nerves
Term

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Name the blue muscle group and state origin, insertion and innervation

Definition
Multifidus
-Posterior sacrum, transverse processes of lumbar, thoracic and cervical vertebrae
-Spinous processes of vertebrae 2-4 vertebrae ABOVE their origin
-Posterior rami of spinal nerves
Term

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Name the green muscle group and state origin, insertion and innervation

Definition
Rotatores
-Transverse processes of vertebrae
-Lamina of vertebrae immediately or two segments above it’s origin
-Posterior rami of spinal nerves
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