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The Big Thirty
ASHA A&P Overview - The Big Thirty (pg. 14)
| Question | Answer |
|---|---|
| masseter | jaw muscle |
| sternocleidomastoid | muscle that runs from behind the ear to the sternum |
| trapezius | flat muscle that runs from the posterior base of skull down AND upward from around T12 to connect at outer shoulder |
| latissimus dorsi | large flat muscle on side of body that runs from spine around to the underarm |
| rhomboideus major | lower of the two rhomboideus muscles, deeper than the trapezuius muscle and runs from spine (approximately T1-T5) to underarm |
| rhomboideus minor | upper of the two rhomboideus muscles, deeper than the trapezuius muscle and runs from spine (approximately T1-T5) to underarm |
| levator scapulae | muscle deeper to trapezius, runs from base of neck to top of scapula |
| erector spinae | group of long muscles that runs from the sacrum up the back to the base of the neck |
| pectoralis major | "pects" - flat muscle from sternum to underarm |
| rectus abdominus | long muscle that runs vertically anterior, the "six pack abs" muscle |
| external oblique | flat muscle that runs from the anterior midline laterally around to the side back "waist" |
| deltoid | outer shoulder muscle |
| biceps brachii | anterior upper arm muscle |
| triceps brachii | posterior upper arm muscle |
| brachioradialis | anterior forearm muscle that runs from elbow to thumb |
| psoas major | muscle that attaches to spine at (T12-L4) & runs down to the hip socket via the pelvic girdle |
| gluteus maximus | the superficial muscle of the "bum" |
| hamstring muscles | group of thigh muscles on the back of the thigh |
| biceps femoris | hamstring: outer middle thigh muscle |
| semitendinosis | hamstring: inner middle thigh muscle & tendon |
| semimembranosis | hamstring: inner middle thigh muscle deeper than semitendinosis |
| quadriceps muscles | front of thigh muscles |
| rectus femoris | middle quadricep muscle |
| vastus lateralis | outer quadricep muscle |
| vastus medialis | inner quadricep muscle that runs from knee toward groin |
| vastus intermedius | quadricep muscle deeper to the rectus femoris |
| tensor fascia lata | front outer hip muscle that runs from the top of the anterior pelvic girdle to the hip joint (tendon continues down to knee) |
| sartorius | muscle that runs from outer hip joint to inner knee |
| gracilis | muscle that runs from groin to inner knee |
| gastrocnemius | calf muscles |
| tibialis anterior | shin muscle |
| peroneus longus | muscle that runs from outer knee to outer ankle |