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53 Cards in this Set
- Front
- Back
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external oblique action and innervation
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N: T8-12 ventral primary rami
A: rotate trunk to contralateral side |
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ext oblique attachments
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PA: external surface of last 8 ribs
DA: iliac crest via aponeurosis to linea alba *lower fibers form inguinal lig extending AIIS to pubic tubercle** |
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int oblique action and innervation
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N: T8-L1 ventral primary rami (inguinal and hypogastric n (L1))
A: rotate trunk to ipsilateral side |
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int oblique attachments
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PA: inguinal ligament, iliac crest
DA: cartilage of last 3 ribs |
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transverse abdominus nerve and action
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N: T7-L1 ventral primary rami, inguinal/hypogastric n
A:maintain spinal stability with LE movement |
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transverse abdominus attachments
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PA: inguinal lig, iliac crest, cartilage of last 6 ribs
DA: linea alba |
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rectus abdominus nerve ancd action
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N: T7-T12 ventral primary rami
A: flex trunk and assist in post pelvic tilt |
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rectus abdominus attachments
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PA: pubis
DA: cartilage of 5-7th ribs, xiphoid process |
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pyramidalis
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PA: pubis
DA: linea alba A: tense linea alba |
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external intercostals nerve and action
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N: intercostal nerve for that segment
A: maintain intercostal space |
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external intercostals attachments
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PA: tubercle of rib/inf surface of rib above
DA: costal cartilage/sup surface of rib below |
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anterior intercostal membrane?
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covers gap between end of external IC's and sternum
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internal intercostals attachments and action
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PA: sternum (inf surface of rib above)
DA: angle of rib (sup surface of rib below) A: forced inspiration (except parasternal portion) |
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parasternal portion of IC
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adjacent to sternum, perform quiet inspiration
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post IC membrane
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covers gap between int IC and post ribs
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muscles of quiet inspiration
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diaphragm, scalenes, parasternal iIC, external IC
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forced inspiration
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SCM, subclavius, pec minor, serratus post superior
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forced exhalation
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All abdominals, iIC, serratus post inf
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back muscles layer 1
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trapezius, lats dorsi
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back muscles layer 2
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levator scapula, rhomboids
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back muscle layer 3
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serratus post sup and inf
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back muscles layer 4
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splenius capitus/cervicis
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back muscles layer 5
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erector spinae (iliocostalis, longissimus, spinalis)
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back muscles layer 6
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semispinalis capitus
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back layer 7
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multifidus
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back layer 8
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rotatores, suboccipital muscles
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erector spinae (transversocostal) ??attachments and action
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PA: crest of illium, post sacrum, lower lumbar vertebrae
A; back extension |
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erector spinae (transversospinal) ??attachments and actions
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PA: transverse process
DA: spinous process of more sup. vertebrae |
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semispinalis capitus attachments and actions
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PA: transverse processes C7-T6
DA: occipital bone A: extend head and neck |
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multifidus attachments and action
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PA: sacrum, ilium, mamillary processes of lumbar vertebra
DA: spinous processes A: stabilize lumbar spine |
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rectus capitis posterior minor attachments and action
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PA: posterior tubercle of altas C1
DA: inf nuchal line A: extend and ipsi rotate AA and AO joints |
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rectus capitis posterior major attachments and actions
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PA: spinous process of axis C2
DA: inferior nuchal line A: A: extend and ipsi rotate AA and AO joints |
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obliquus capitis inferior attachments and actions
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PA: spinous process of C2
DA: transverse process of C1A: extend and ipsi rotate AA and AO joints |
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obliquus capitus superior attachments and action
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PA: transverse process of atlas
DA: inf nuchal line A: extend and ipsi rotate AA and AO joints |
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greater occipital nerve
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-enters below obliquus capitus inf and goes thru semispinalis capitus
-sensory nerve of C2 nerve root |
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suboccipital nerve
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-innervates suboccipital muscles
-motor portion of C1 nerve root |
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quadratus lumborum
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PA: iliac crest
DA: lumbar transverse processes (L1-4) and 12th rib A: elevate pelvis, lat flex vertebral column, stabilize 12th rib during inspiration N: T12-L4 |
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SCM attachments
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PA: sternum and clavicle
DA: mastoid process |
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SCM action and nerve
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N: CN XI
A: contralateral head rotation, ipsilateral head flexion, bilaterally= flex head and neck |
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ant. scalene attachments
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PA: transverse process C3-6
DA: first rib |
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mid scalene attachments
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PA: transverse process C2-4
DA: first rib |
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post scalene attachments
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PA: transverse process C4-6
DA: 2nd rib |
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scalenes nerves and action
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N: ventral primary rami C5-C8
A: lat flex neck (ipsi), ipsi rotation, bilateral flexion, elevate 1st and 2nd ribs for inspiration |
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temporalis attachments
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PA: floor of temporal fossa
DA: coronoid process of mandible |
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temporalis action and nerve
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N: mandibular division of CN V
A: elevate and retract mandible |
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lat pterygoid attachments
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PA: lat/outside of lat pteryogid plate
DA: neck of mandible, articular disc of TMJ |
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lat pterygoid action and nerve
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A: protrude jaw (pull mandible and disk ant) **only muscle that opens mouth**
N: CN V3 |
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medial pterygoid attachments
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PA: medial surface of lat pterygoid plate
DA: medial surface os ramus of mandible |
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medial pterygoid action and nerve
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A: elevate mandible/close mouth
N: CN V3 |
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masseter attachments
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PA: lower border of zygomatic arch
DA: ramus of mandible and coronoid process |
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asseter action/nerve
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N: mandibular portion of CN V (V3)
A: elevate and protrude mandible to close mouth |
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mouth opening
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1. ant rot of conydle on disc
2. translation of condyle and disc along articular tubercle |
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mouth closing
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1. post translation along articular tubercle
2. hinge upwards *opposite of mouth opening** |
