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level: ANAT102 Muscle Attachments - T10 (deep back)

Questions and Answers List

level questions: ANAT102 Muscle Attachments - T10 (deep back)

QuestionAnswer
Erector spinaeSuperficial layer, vertical sheet 3 columns (l-m)(illiocostalis, longissumus, spinalis) common origin: T11-L5 spinous SPs and supraspinous ligs + L TPs + med sacral crest + iliac crest
Illiocostalislumborum: common origin - angles of lower ribs thoracis: angles of lower ribs - angles of upper ribs cervicis: angles of upper ribs - lower cervical TPs
Longissimusthoracis: common origin - thoracic TPs + adj rib cervicis: upper thoracic TPs - mid cervical TPs capitis: upper thoracic + mid cervical TPs - mastoid process at base of skull
Spinalisthoracis: upper lumbar + low thoracic SPs - upper thoracic SPs cervicis: upper thoracic SPs - cervical SPs capitis: medial portion of semispinalis
TransversospinalisOblique sheet, deep to ES att from TPs to superior SPs 3 columns (semispinalis/multifidus/rotatores)
SemispinalisThoracis: low thoracic TPs - low cervical + upper thoracic SPs (5-7 lvls above) Cervicis: upper thoracic TPs - mid cervical SPs (5-7 lvls above) Capitis: upper thoracic and low cervical TPs - skull (jumping 5-7 lvls)
MultifidusTP-SP (2-5 lvls above) most inf fibres att. to sacrum mostly visible in lumbar region
RotatoresTP - SP (1-2 lvls above) best developed in thoracic, often missing in cervical/lumbar
Unisegmentalsshort segmental muscles deep to TS not in thoracic region
Intertransverariibt adj TPs
Interspinalisbt adj SPs
Serratus pos supO • C7-T3 spinous processes II• angels of ribs 2 - 5
Serratus pos infO• T11-L2 spinous processes I• angles ribs 9 - 12