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Anatomy > Musucles of trunk and lower limb > Flashcards

Musucles of trunk and lower limb Flashcards

1
Q

Abductors of hip

A

Gluteus medius and gluteus minimus

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2
Q

Adductors of hip

A

Gracilis, adductor magnus, adductor longus, adductor brevis, pectineus

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3
Q

Gluteus medius/minimus function

A

Flexion

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4
Q

Extensors of knee

A

Rectus femoris, vastus medialis, vastus intermedius, vastus lateralis

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5
Q

Sartorius function

A

Flexion of knee AND external rotation of hip

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6
Q

Which muscles are in the quadriceps?

A

Rectus femoris, vests medalis+intermedius+lateralis

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7
Q

What does the quadriceps turn into towards the bottom?

A

Patellar tendon

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8
Q

Patellar tendon function

A

Attaches to tibial tuberosity

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9
Q

Flexors of the knee

A

Semimembranosus, semitendinosus, biceps femoris (hamstrings)

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10
Q

Tibialis anterior

A

Dorsiflexion and inversion of talocrural joint

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11
Q

Extensor digitorum longus

A

Extension of digits 2-5

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12
Q

Extensor hallucis longus

A

Extension of digit 1

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13
Q

Fibularis longus

A

Eversion of talocrural joint

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14
Q

Fibularis brevis

A

Eversion of talocrural joint

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15
Q

Superficial plantarflexion of talocrural joint

A

Gastrocnemius, soleus, plantaris

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16
Q

Deep plantarflexion of talocrural joint

A

Tibialis posterior, flexor digitorum, flexor hallucis longus, popliteus

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17
Q

What forms the calcaneal tendon?

A

Gastrocnemius, soleus, and plantaris

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18
Q

Tibialis posterior

A

Plantarflexion and inversion of talocrural joint

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19
Q

Axial muscles are innverated by what?

A

Spinal nerves, dorsal rami and ventral rami

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20
Q

Organization of trunk muscles

A

Epaxial and hypaxial muscles

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21
Q

Epaxial muscles are innervated by…

A

Dorsal rami

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22
Q

Hypaxial msucles are innervated by…

A

Ventral rami

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23
Q

Hypaxial muscles are made up of

A

Prevertebral, lateral, and ventral

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24
Q

Splenius group is the…

A

Superior 1/3 of the epaxial muscles

25
Q

Erector spinae group is…

A

The inferior 2/3 of the epaxial muscles

26
Q

Erector spinae group includes

A

(Lateral to medial) Iliocostalis, longissimus, and spinalis)

27
Q

Epaxial muscles are the?

A

Primary extensors of the vertebral column, only when working bilaterally (bending backwards)

28
Q

Muscles of the superficial back

A

Trapezius, latissimus dorsi, rhomboids, and levator scapulae

29
Q

Muscles of the intermediate back

A

Serratus posterior superior and serratus posterior inferior

30
Q

Serratus posterior superior

A

Elevates ribs for inspiration

31
Q

Serratus posterior inferior

A

Depresses ribs for expiration

32
Q

Muscles of the neck

A

Longus muscles (colli and capitis), scalene muscles, and infrahyoid muscles

33
Q

Longus muscles function

A

Flex the neck (chin to chest)

34
Q

Scalene muscles function

A

Laterall flex neck (bend to side)

35
Q

Infrahyoid muscles function

A

Depress and stabilize the hyoid bone

36
Q

Muscles of thorax

A

External intercostal muscles, internal intercostal muscles, & transversus thoracis

37
Q

Muscles of abdomen

A

External oblique muscles, internal oblique muscles, and transversus adominis

38
Q

External intercostal muscle function

A

Elevate ribs for inspiration

39
Q

Internal intercostal muscle function

A

Depress ribs for expiration

40
Q

Transversus thoracis function

A

Depress ribs for expiration

41
Q

Abdomen muscles function

A

All work together to compress the abdomen in forced expiration They build intra-abdominal pressure for defaction, childbirth, and body-wall stabilization. Rotates lumbar vertebrae.

42
Q

Abominal muscle groups

A

Prevertebral, lateral, and ventral

43
Q

Abdominal individual muscles

A

Psoas major, quadratus lumborum, transversus abdominis, internal obliques, external obliques, and rectus abdominis

44
Q

Prevertebral abdominal muscles

A

Psoas major and quadratus lumborum

45
Q

Psoas major

A

Flexes lumbar vertebrae

46
Q

Quadratus lumborum

A

Laterally flex lumbar vertebrae

47
Q

Lateral abdominal muscles

A

Transversus abdominis, internal obliques, external obliques

48
Q

Ventral abdominal muscles

A

Rectus abodminis

49
Q

Rectus abdominis function

A

Flexes vertebral column. Tendons separate muscles into several bellies (for 6-pack appearance)

50
Q

Pelvic muscles

A

Perineal muscles (urogenital triangle and external anal sphincter) and pelvic diaphragm

51
Q

Urogenital triangle

A

Sexal function and supports pelvic floor

52
Q

External anal sphincter

A

Voluntary defecation control

53
Q

Pelvic diaphragm

A

Support rectum, uterus, and urinary bladder. Maintains intra-abdominal pressure to prevent involuntary urination or defecation

54
Q

Iliacus & iliopsoas

A

Flexion of hip

55
Q

Gluteus maximus

A

Extension of hip

56
Q

Tensor fascia lata

A

Flexion and internal rotation of hip

57
Q

Deep hip rotators

A

External rotation of hip

58
Q

Iliotibial tract definition

A

Gluteus maximus and tensor fascia lata

Anatomy (3 decks)

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