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bio 2010 > lab practical > Flashcards

lab practical Flashcards

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Biology 101 flashcards
0
Q

Orbicularis oris

A

closes lips, kissing and whistling muscle

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1
Q

Orbicularis oculi

A

closes eye

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2
Q

frontalis

A

raises eyebrows

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3
Q

masseter

A

prime mover of jaw closure

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4
Q

temporalis

A

closes jaw

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5
Q

platysma

A

tenses skin , depresses mandible

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6
Q

Zygomaticus

A

turns up the lateral portions of the mouth -smile

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7
Q

Sternocleidomastoid

A

together:flexes head
Apart: rotates head to opposite shoulder

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8
Q

diaphragm

A

expands thoracic cavity (inspiration)

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9
Q

External Intercostals

A

expands thoracic cavity (inspiration)

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10
Q

Internal Intercostals

A

Internal intercostals compresses thoracic cavity (forced expiration)

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11
Q

rectus abdominus

A

Flex and rotate lumbar region

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12
Q

external oblique

A

trunk rotation

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13
Q

internal oblique

A

trunk rotation

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14
Q

Transverse abdominus

A

increase intraabdominal pressure

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15
Q

erector spinea

A

extends back

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16
Q

trapezius

A

stabilizes scapula (raise, retract & rotate too)

17
Q

rhomboids

A

Stabilize scapula, adducts scapula

18
Q

latissimus dorsi

A

extends and adducts shoulder joint

19
Q

pectoralis major

A

Prime mover of arm flexion

20
Q

pectoralis minor

A

Stabilizes pectoral girdle

21
Q

serratus anterior

A

“Boxer’s muscle”

22
Q

brachialis

A

major forearm flexor

23
Q

biceps brachii

A

flexes elbow joint, supinates forearm

24
Q

triceps brachii

A

extends elbow joint

25
Q

deltoid

A

abducts shoulder joint

26
Q

sartorius

A

Sartorius flexes and abducts hip joint

27
Q

rectus femoris

A

extends knee joint, flexes hip joint

28
Q

vastus lateralis

A

extends knee joint

29
Q

vastus medalis

A

Vastus medialis extends knee joint

30
Q

vastus intermedius

A

extends knee joint

31
Q

tensor fascia latae

A

steadies knee and trunk on thigh by making ilio tibial tract taut

32
Q

gracilis

A

adducts hip joint

33
Q

tibialis anterior

A

prime mover of dorsiflexion

34
Q

gluteus maximus

A

major extensor of thigh

35
Q

gluteus medius

A

steadies pelvis especially during walking

36
Q

semitendinosus

A

flexes knee joint, extends hip joint

37
Q

semimembranosus

A

flexes knee joint, extends hip joint

38
Q

gastrocnemius

A

plantar flexion

39
Q

soleus

A

plantar flexion

bio 2010 (13 decks)

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