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A & P 2 LAB > 2/5- Muscular System > Flashcards

2/5- Muscular System Flashcards

1
Q

What is skeletal muscle?

A

Muscle tissue connected to skeleton

Conscious movement

Muscle contracts passing over a joint

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2
Q

What is it called when a Muscle operates on a point that doesn’t move when muscle works?

A

Origin

Proximal

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3
Q

What is it called when a Muscle operates on a point that does move when muscle works?

A

Insertion

Distal

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4
Q

What is it called when 2 or more muscles work together to produce a movement?

A

Synergist

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5
Q

What is it called when muscles are working opposite of one another?

A

Antagonist

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6
Q

What is flexion?

A

Reducing angle between 2 bones

Move body part towards front (anteriorly)

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7
Q

What is extension?

A

Increasing angle between 2 bones

Moving body part backwards (posteriorly)

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8
Q

What is abduction?

A

Pulls body part away from midline

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9
Q

What is adduction?

A

Pulls body part towards midline

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10
Q

What is plantar flexion?

A

Pointing your toes

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11
Q

What is dorsiflexion?

A

Pull toes up towards you

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12
Q

What is the muscle that attaches from your mastoid process (back of head) to your clavicle and what is the function?

A

Sternocleidomastoid

rotates the head to one side

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13
Q

What is the muscle attached to your mandible (lower jaw) and what is the function?

A

Masseter

Raises the jaw

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14
Q

What is the muscle on top of your temporal bone and what is the function?

A

Temporalis

Closes the jaw

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15
Q

What is the muscle on top of your eyebrows on your frontal bone and what is the function?

A

Frontalis

Raise eyebrows and wrinkles

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16
Q

What is the muscle on the occipital bone and what is the function?

A

Occipitalis

Raise eyebrows and wrinkles

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17
Q

What is the muscle around the lips called and function?

A

Oribicularis oris

Close lips

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18
Q

What is the muscle around the eyes and function?

A

Oribicularis oculi

Close eyelids

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19
Q

What is the muscle on the zygomatic bone (cheek bone) and function?

A

Zygomaticus

Raises corners of mouth (smile)

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20
Q

What is the triceps called and function?

A

Triceps brachii

Extends forearm at elbow

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21
Q

What is the biceps called and function?

A

Biceps brachii

Flexes forearm at elbow

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22
Q

What is the muscle under the biceps and function?

A

Brachialis

Flexes forearm at elbow

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23
Q

What is the muscle on your shoulder and function?

A

Deltoid

Abducts arm at shoulder

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24
Q

What is the muscle in the back of your neck only on the left side?

A

Levator scapulae

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25
Q

What is the muscle on the top portion of the scapula?

A

Supraspinatus

26
Q

What is the muscle on the bottom part of the scapula?

A

Infraspinatus

27
Q

What is the muscle on the part of the scapula that is seen anteriorly?

A

Subscapularis

28
Q

What is the muscle under deltoid that doesn’t look connected?

A

Teres major

29
Q

What is the muscle above the teres major?

A

Teres minor

30
Q

What is the thick muscle underneath the trapezius by thoracic part of spine?

A

Rhomboid major

31
Q

What is the smaller muscle on top of rhomboid major?

A

Rhomboid Minor

32
Q

What is the finger like looking muscle on top of ribs called?

A

Serratus anterior

33
Q

What is the big muscle on your back that starts from your neck and criss crosses and ending at the middle of your back?

What is the function?

A

Trapezius

Rotates scapulae

34
Q

What is the big muscle under the trapezius and what is the function?

A

Latissimus dorsi

Pulls shoulder downward and back

35
Q

What is the peck muscle and the function?

A

Pectoralis major

Adducts arm medially

36
Q

What is the muscle underneath the pectoralis major and it’s function?

A

Pectoralis minor

Raises ribs

37
Q

What is the muscle on the outer layer between your ribs and what is the function?

A

External intercostals

Raise ribs and expand chest (inhalation)

38
Q

What is the muscle in the inner layer between your ribs called?

A

Internal intercostals

39
Q

What is the outer layer muscle on the side of your abdomen called and what is the function?

A

External abdominal obliques

Tenses abdominal wall

40
Q

What is the inner layer of muscle on the side of your abdomen and what is the function?

A

Internal abdominal oblique

Tenses abdominal wall

41
Q

What is the muscle that is under the obliques and what is the function?

A

Transverse abdominis

Tenses abdominal wall

42
Q

What is muscle that are your abs and function?

A

Rectus abdominis

Tenses abdominal wall

43
Q

What is the muscle of your butt and the function?

A

Gluteus Maximus

Rotates thigh laterally at hip

44
Q

What is the muscle underneath the gluteus Maximus and function?

A

Gluteus medius

Rotates thigh medially at hip

45
Q

What is the muscle that is on the outside of the leg and white color?

A

Iliotibial band (IT band)

46
Q

What is the muscle that connects to the IT band?

A

Tensor fascia lata

47
Q

What is the muscle of the hamstring that is on the outside of the leg and the function?

A

Biceps femoris

Flexion of knee

48
Q

What is the inside muscle of the hamstring muscle and what is the function?

A

Semitendinosus

Flexion of knee

49
Q

What is the muscle underneath the semitendinosus muscle and function?

A

Semimembranosus

Flexion of knee

50
Q

What is the muscle called that starts at the hip and curves in leg and function?

A

Sartorius

Flexes thigh

51
Q

What is the inner aspect of leg (inner thigh) and function?

A

Gracilis

Adducts thigh

52
Q

What is the middle muscle of the quad and function?

A

Rectus femoris

Extends leg at knee

53
Q

What is the muscle that is on the outside of the quad called and function?

A

Vastus lateralis

Extends leg at knee

54
Q

What is the muscle on the inside part of the quad called and function?

A

Vastus medialis

Extends leg at knee

55
Q

What is the muscle underneath the rectus femoris and function?

A

Vastus intermedius

Extends leg at knee

56
Q

What is the big muscle behind the gracilis muscle and function?

A

Adductor magnus

Adducts thigh laterally

57
Q

What is the muscle above the gracilis and function?

A

Adductor longus

Adducts thigh laterally

58
Q

What is the muscle above the adductor longus and function?

A

Pectineus

flexes thigh

59
Q

What is the muscle of the calf muscle and function?

A

Gastrocnemius

Plantar flexion of the foot

60
Q

What is the muscle under the calf and function?

A

Soleus

Plantar flexion of the foot

A & P 2 LAB (7 decks)

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