Cat Muscles Origin, insertion and action (OIA) flashcards

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82 cards   |   Total Attempts: 184
  

Cards In This Set

Front Back
External Oblique
O: lumbodorsal fascia and posterior ribsI: extensive neurosis passing through the linea albaA: constrictor of the abdomen
Internal Oblique
O: second sheet of the lumbodorsal fascia; border of the pelvic girdleI: linea alba (through extensive aponeurosis)A: compressor of the abdomen
Transversus Abdominis
O: second sheet of the lumbodorsal fascia; border of the pelvic girdleI: linea alba (through extensive aponeurosis)A: compressor of the abdomen
Rectus Abdominis
O: anterior end of the pubic symphysisI: sternum and costal cartilagesA: retracts ribs and sternum; compressor of the abdomen
Pectoantibrachialis
O: manubriumI: flat tendon on the fascia of the forearmA: draws arms towards the chest
Pectoralis major
O: sternum; median ventral rapheI: humerusA: draws arms towards the chest
Pectoralis minor
O: sternumI: humerusA: draws arms towards the chest
Xiphihumeralis
O: sternumI: humerusA: draws arms towards the chest
Sternomastoid
O: median raphe and manubriumI: lambdoidal ridge into mastoid processA: turn head; draw head to neck
Sternohyoid
O: sternumI: basihyoidA: draws hyoid posteriorly
Sternothyroid
O: sternumI: thyroid cartilage of the larynxA: pulls larynx posteriorly
Thyrohyoid
O: thyroid cartilageI: posterior horn of the hyoidA: raises the larynx
Cleidomastoid
O: mastoid process of temporalI: clavicleA: Draws clavicle craniad; draws head to neck
Clavobrachialis
O: clavicle; fibers of clavotrapeziusI: ulnaA: flexor of the arm
Masseter
O: zygomatic archI: posterior half of lateral surface of mandibleA: elevator of lower jaw