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ANATOMY > Anterior Muscles > Flashcards

Anterior Muscles Flashcards

(52 cards)

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1
Q

every muscle needs what attached

A

a neuron

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2
Q
A

myofibril

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3
Q
A

fascicle

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4
Q
A

endomycium

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5
Q
A

perimycium

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6
Q
A

epimycium

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7
Q

aponeurosis

A

flat sheet of connective tissue

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8
Q

retinaculum

A

fibrous tissue holding tendon in place

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9
Q

motor neurons

A

transmits signals away from the brain

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10
Q

sensory neurons

A

transmits signals toward the brain

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11
Q
A

epicranium

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12
Q
A

galea apneurotica

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13
Q
A

frontalis / front belly

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14
Q
A

occipitalis
wrinkle forehead/move eyebrows

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15
Q
A

orbicularis oris
opens closes mouth
first sphincter of digestive tract

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16
Q
A

platysma
flexes neck tendons
moves jaw

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17
Q
A

buccinator
blow/sucks

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18
Q

muscles of mastication

A

temporalis muscle
masseter
medial/lateral pterygoid

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19
Q
A

temporalis muscle
elevates and retracts jaw
-origin-superior/inferior temporal bone
-insertion-coronoid process of mandible

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20
Q
A

masseter
elevates and protract jaws
-origin- zygomatic arch
-insertion- lateral surface of coronoid process

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21
Q
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A

-sternocleidomastoid
-superior/inferior movement of head
-lateral/medial movement of head
-origin-manubrium
-insertion-mastoid process of temporal bone

22
Q
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A

pectoralis minor
protracts and depresses scapula
insertion-coracoid process

23
Q
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A

serratus anterior
origin-lateral half of ribs
insertion-crest of scapula
stabilizes and rotates scapula

24
Q
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A

-pectoralis major
-prime mover of arm movement and rotation
-origin- clavical and costal cartilege
-insertion-intertubercle groove of humerus

25
-deltoid -anterior, lateral, posterior fibers -origin- acromial end of clavicle, spine of scapula -insertion- deltoid tuberosity
26
function of anterior fibers of deltoid
flex and medially rotate
27
function of lateral fibers of deltoid
prime abductor
28
function of posterior fibers of deltoid
extend and laterally rotate
29
coracobrachialis origin-corocoid process
30
biceps brachii origin- long head-supraglenoid tubercle of scapula short head-coracoid process of scapula -flexes elbow
31
external abdominal oblique muscles compress abdomen
32
internal abdominal oblique muscles compress abdomen
33
transverse abdominis muscle compresses abdomen supports spine
34
rectus abdominis -origin-superior surface of pubis -insertion-xiphoid process and interior surface of ribs -compresses abdomen and flexes vertebral column
35
linea semilunaris
36
linea alba
37
inguinal ligament
38
diaphram
39
-tensor fascia latae -origin- Iliac crest and lateral surface of the anterior superior iliac spine. -Insertion- liotibial track (IT Band). -Abducts and medially rotates the femoral region at the acetabulofemoral joint.
40
iliotibial track
41
Gracilis -Adducts and flexes femoral region, flexes crural region -attached- adductors magnus longus brevis
42
-sartorius -Flexes acetabulofemoral joint and laterally rotates femur. Flexes tibiofemoral joint and medially rotates calf -origin-anterior superior iliac spine -insertion-medial side of tibial tuberocity
43
-Rectus femoris -Extends leg at the tibiofemoral joint. Rectus femoris also flexes the femoral region -origin-Anterior inferior iliac spine -insertion- Quadriceps tendon to patella, then patellar ligament to tibial tuberosity
44
-Vastus Lateralis -Extends leg at tibiofemoral joint. -orgins- Greater trochanter and linear aspera of femur -insertion- Quadriceps tendon to patella, then patellar ligament to tibial tuberosity
45
-vastus medialis -Extends leg at tibiofemoral joint -origin-intertrochanteric line and linea aspera of the femur -insertion- Quadriceps tendon to patella, then patellar ligament to tibial tuberosity
46
-vastus intermedius -Extends leg at tibiofemoral joint -origin-Anterior and lateral surface of femur -insertion- Quadriceps tendon to patella, then patellar ligament to tibial tuberosity
47
-Tibialis anterior -Primary dorsiflexor of the foot. It inverts the talocrural region
48
-Peroneus longus -Plantar flexes and everts the foot at talocrural region
49
iliopsoas
50
external intercostals helps with relaxed breathing
51
internal intercostals helps with forced breathing
52
which is stronger, vertebral or abdominal muscles?
vertebral as they always have to resist force of gravity

ANATOMY (14 decks)

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