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Rat TEST
study this for the rat exam!
| Question | Answer |
|---|---|
| What do muscules do? | move body by moving bones |
| define: point of origin: | attatchemt of which the bone dosn't move |
| define: point of inserction | bone does move |
| superficial fascia | holds muscle to skin |
| define: antagonisticly | move in opposite directions |
| flexation: | bending at joint, reduces angle |
| extention | increases angle at joint |
| adduction | leg out, moves toward mid-line |
| abduction | away from the midline |
| supination | palm up |
| pronation | palm down |
| muscle attatched to... | tendon |
| sercomdution | keeping a proximal point, arm, rotate wrist |
| Lumbodorsal fascia | connective tissue- superior side: white, muscle attatment-mid-line |
| linea alba | connective tissue, neck to external genitalia, looks like a white line |
| muscle in head neck region: | digastric, masseter, temporalis, stemohyoid, sternomastoid |
| define: digastric | "v" inverted; origin-occipatial; insertion-mandible=> opens mouth by lowering jaw |
| sternal hyoid | (looks like continuation of digastric; tongue movement; origin: antirour sternum; incerstion: hyoid bone, base of tongue |
| Semomastoid | "v" shaped; origin-anteriour sternum; incertion-masstoid in process behind ear.--rotate head to side to side & up and down |
| massders | cheek muscules; chewing; origin: zygomatic arch; insertion: mandibles |
| temporalis | superiour view; behind ear; chewing; origin-temporalis; insertion-mandible |
| Thorax/forelimb muscles | Pectoralis major, Pectoralis minor, Bicep Brachi, triceps brachi |
| Pectoralis major-addutcion | -draws fore arem to chest; origin- anteriour sternum; inertion-umerous |
| Pectoralis minor-adduction | draws limb to chest; origin-posteriour sternum; nsertion-umerous |
| Biceps Brachi-flexation | flex lower arm; origin-umerous; insertion: radius(lower arm) |
| Triceps Brachi-extend | extend fore arm; origin-scapula(shoulder); insercion-ulma(lower arm) |
| Muscles of shoulder and back | 2deltoids (spino, acromio), 3trapezius (clavo, spino, acromio |
| Deltoids | origin-scapulainsertion- umerous-extend umerous forwards and back |
| trapezius | origin- along vertebrateinsertion-scapula-shoulder stablerizers |
| latissimus dorsi | -major muscle of the back -origin: lumbodorsal faciainsertion:umerous=>flexes the umerous |
| Hip/ hindlimb muscles | Gluteus superficialisBiceps femorissemitendinosusGastrocnemius |
| Abdomen/lateral muscles | -External oblique-Internal Oblique-Transversus abdominus-Rectus abdominus |
| Gluteus Superficialis | abduct thigh, push out from body-o: Ilium-I: femur (upper leg) |
| Biceps Femoris | (flex lower leg)-O: Vertebrete-i: distol femur AND proximal tiba (lower leg) |
| Semitendinosus | -band top of biceps femoris. companion to biceps femoris- flex lego: vertebra i: proximal tibia |
| Gastrocnemius | (calf)-extends and flexes footo: femur i:calcaneus bone (heel bone)-connects to acheilles tendon *(calcaneus bone by way of achilles tendon)* |
| External oblique | Holds internal organs, compresses abdomen-o: lumbodorsal fascia I: lina alba |
| Internal oblique | (same as external oblique)-o: lumbodorsal fascia I: lina alba-holds internal organs, compresses abdomen |
| Transversus abdominis | o: lumbodorsal fasciaI: lina alba-holds internal organs, compresses abdomen |
| rectus abdominis | -adjacent to lina alba, compresses abdomen-o: pupusI:sternum |
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