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Human Anatomy and Physiology I > Muscles of the Torso > Flashcards

Muscles of the Torso Flashcards

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1
Q

interspinalis

A

origin: Spinous process of each vertebra
insertion: Spinous process of superior vertebra
action: Trunk extension

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2
Q

spinals group (cervicis Thoracis)

A

origin: Ligamentum nuchae, spinous processes C7 -upper lumbar
insertion: Spinous process of superior vertebra
action: Trunk extension

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3
Q

Illiocostalis group

cervicis, thoracic, lumborum

A

origin: Ribs, iliac & sacral crests, spinous processes of lumbar
insertion: Cervical & thoracic vertebra & ribs
action: Trunk extension

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4
Q

longissimus group ( crevices, thoracis, lumborum)

A

origin: Transverse processes of cervical, thoracic & upper lumbar vertebra
insertion: Mastoid process & transverse processes of superior vertebra & inferior surface of ribs
action: Trunk extension/ lateral flexion

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5
Q

semispinalis thoracis

A

origin: Transverse processes of T6-T10
insertion: Spinous processes of C5-T4
action: Trunk extension / rotation

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6
Q

Multifidus

A

origin: Sacrum & transverse processes of each vertebra
insertion: Spinous process of superior vertebra
action: Trunk extension/ rotation

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7
Q

Rotatores

A

origin: Transverse processes of each vertebra
insertion: Spinous processes of adjacent superior vertebra
action: Trunk extension/ rotation

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8
Q

intertransversarli

A

origin: transverse processes of each vertebra
insertion: transverse processes of superior vertebra
action: trunk lateral flexion

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9
Q

Quadratus Lumborum

A

origin: iliac crest and iliolumbar ligament
insertion: last rib and transverse processes of lumbar vertebra
action: trunk lateral flexion

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10
Q

what is the key to stabilize core?

A

multifidus

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11
Q

Rectus Abdominis

A

origin: pubic crest and symphasis
insertion: cartilage of ribs 5-7 and xiphoid process
action: trunk flexion, abdominal compression

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12
Q

external oblique

A

origin: ribs 5-12
insertion: iliac Crest and line alba
action: abdominal compression, lateral trunk flexion

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13
Q

internal oblique

A

origin: iliac crest, inguinal ligament, thoracolumbar fascia
insertion: cartilages of ribs 7-10 and lined alba
action: abdominal compression, lateral trunk flexion

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14
Q

transverse abdominis

A

origin: iliac crest, inguinal ligament, lumbar fascia, cartilages of ribs 510
insertion: diploid process, line alba and pubis
action: abdominal compression

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15
Q

Diaphragm

A

origin: Xiphoid process, ribs 1-6, lumbar vertebra & intervertebral discs
insertion: central tendon
action: contraction causes diaphragm to flatten; relaxation causes diaphragm to dome

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16
Q

external intercostals

A

origin: Inferior border of rib above
insertion: Superior border of rib below
action: elevates ribs

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17
Q

internal intercostals

A

origin: Superior border of rib below
insertion: Inferior border of rib above
action: Compresses rib cage

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18
Q

rectus abdominis

A

assists with forceful breathing

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19
Q

platysma

A

origin: Superior thorax between 2nd rib & acromion process
insertion: Mandible & skin of cheek
action: Elevates ribs during forceful breathing

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20
Q

inhale

A

thoracic cage elevates

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21
Q

exhale

A

thoracic cage compresses

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22
Q

diaphragm

A

domed muscle that separates

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23
Q

what controls the diaphragm?

A

phrenic nerve

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24
Q

External intercostals

A

origin: inferior border of rib above
insertion: Superior border of rib below
action: elevates ribs

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25
diaphragm
origin: Xiphoid process, ribs 1-6, lumbar vertebra & intervertebral discs insertion: Central tendon action: Contraction causes diaphragm to flatten; relaxation causes diaphragm to dome
26
internal intercostals
origin: Superior border of rib below insertion: Inferior border of rib above action: Compresses rib cage
27
rectus abdominis:
assist with forceful breathing
28
platysma
origin: Superior thorax between 2nd rib & acromion process insertion: Mandible & skin of cheek action: Elevates ribs during forceful breathing
29
sphincter
controls an opening
30
what exercises help to strengthen the muscles of the pelvic floor?
kegal exercises
31
Superficial transverse perineal
supports the pelvic floor
32
deep transverse perineal
supports the pelvic floor
33
iliococcygeus
supports the pelvic floor
34
pubococcygeus
supports the pelvic floor
35
external urethra sphincter
closes urethra
36
external anal sphincter
closes anal opening
37
lower extremity muscles
- muscles that move the femur - muscles that move the lower leg - muscles that move the foot - muscles that move the toes
38
muscles that move the hip joint
bones: acetabulum of the pelvis, head of the femur movements: abduction, adduction, flexion, extension, internal and external rotation
39
internal
pigeon towing
40
external
duck foot
41
Femoral triangle
Sartorius provide one boarder, adductor provides inferior border and the inguinal ligament forms a border
42
Iliopsoas (iliacus + psoas major)
origin: Iliac fossa, sacrum, lumbar vertebra insertion: lesser trochanter action: Hip flexion & external rotation (anterior)
43
``` Rectus Femoris (biarticullar – crosses two joints) ```
origin: Anterior inferior iliac spine insertion: Quadriceps tendon & patellar ligament to tibial tubercle action: Hip flexion (anterior)
44
Sartorius | longest muscle in your body, known as the taylor’s muscle
origin: Anterior superior iliac spine insertion: Medial surface of tibia action: Hip flexion, abduction, external rotation
45
Biceps Femoris
origin: ischial tuberosity insertion: head of the fibula action: hip extension
46
semimembranosus
origin: ischial tuberosity insertion: posterior medial tibial condyle action: hip extension
47
semitendinosus
origin: ischial tuberosity insertion: medial surface of tibia action: hip extension
48
Gluteus Maximus
origin: iliac crest, sacrum, coccyx insertion: gluteal tuberosity (posterior femur) action: hip extension
49
adductor longus
origin: pubic crest & symphasis insertion: linea aspera of femur action: hip adduction
50
adductor brevis
origin: Inferior ramus of pubis insertion: Superior femur action: hip adduction
51
Adductor magnus
origin: Inferior ramus of pubis & ischial tuberosity insertion: Medial femur & adductor tubercle action: hip adduction
52
Gracilis
origin: pubis insertion: medial surface of tibia action: hip adduction, internal rotation
53
pectineus
origin: superior ramps of pubis insertion: superior femur action: hip adduction
54
gluteus medius
origin: ilium insertion: greater trochanter action: hip adduction
55
gluteus minimus:
origin: ilium insertion: greater trochanter action: hip adduction
56
tensor fascia lata
origin: iliac crest insertion: illiotibial tract to tibia action: hip adduction
57
piriformis
origin: anterior sacrum insertion: greater trochanter action: hip adduction
58
groin muscles
``` Adductor longus, Adductor brevis, Adductor magnus, Gracillis, Pectineus ```
59
movements of the knee joint
flexion and extension
60
rectus femoris
origin: insertion: action: knee extension
61
vastus medialis
origin: medial femur insertion: Quadriceps tendon & patellar ligament to tibial tuberosity action: knee extension
62
vastus lateralis
origin: lateral femur and greater trochanter insertion: Quadriceps tendon & patellar ligament to tibial tuberosity action: knee extension
63
vastus intermedius
origin: anterior and lateral surfaces of femur insertion: Quadriceps tendon & patellar ligament to tibial tuberosity action: knee extension
64
biceps femoris
action: knee flexion
65
semimembranosus
action: knee flexion
66
semtendinosus
action: knee flexion
67
vastus
huge/ large
68
intermedius
deep
69
knee joint
it is backwards
70
Pes anserinus
Sartorius muscle, Gracilis Tendon and the Semitendinsous tendon all have a common insertion and are known as the pos anserinus
71
talocrural joint
(ankle) bones: tibia, fibula and talus movements: plantarflexion, dorsiflexion
72
subtler joint
bones: talus, calcaneus movements: inversion, eversion
73
toes
bones: phalanges movements: flexion, extension, abduction, adduction
74
in leg the anterior
perform dorsiflexion, and toe extension, inversion
75
in the leg the lateral
perform eversion, plantar flexion
76
in the leg the posterior
perform plantar flexion, toe flexion, inversion
77
Gastrocnemius | 2 heads
origin: Lateral & medial femoral condyles (posterior) insertion: Achilles tendon to calcaneus action: talocrural plantar flexion, knee flexion
78
soleus
origin: Head of fibula, medial border of tibia insertion: Achilles tendon to calcaneus action: talocrural plantar flexion,
79
plantaris
origin: lateral epicondyle of femur insertion: achilles tendon to calcaneus action: talocrucal plantar flexion, knee flexion
80
tibialis posterior
origin: Proximal, tibia, fibula, interosseus membrane insertion: 2nd-4th metatarsals, navicular, cuneiforms action: talocrucal plantar flexion, subtalar inversion
81
flexor digitorum longus
origin: middle of posterior tibia insertion: distal phalanges of toes 2-5 action: talocrucal plantar flexion, flexion toes 2-5
82
flexor hallicus longus
origin: inferior posterior portion of fibula insertion: great toe action: great toe flexion
83
big toe is the only one who does not perform....
plantar flexion
84
Tibialis anterior
origin: Lateral condyle, body of tibia & interosseus membrane insertion: 1st metatarsal & cuneiform action: Talocrural, dorsiflexion, subtalar inversion
85
extensor hallucis
origin: anterior middle surface of fibula insertion: great toe action: Talocrural, dorsiflexion, great toe extension
86
Extensor digitorum longus
origin: Lateral tibial condyle, fibula, & interosseus membrane insertion: Phalanges of toes 2-5 action: Talocrural, dorsiflexion, extension of toes 2-5
87
peroneus tertius
Origin: anterior distal fibula insertion: base of 5th metatarsals action: Talocrural, dorsiflexion, subtler eversion
88
peroneus longus
origin: lateral distal fibula insertion: 1st metatarsal and cuneiform action: Talocrural, plantar flexion, subtler eversion
89
peroneus brevis
origin: lateral distal fibula insertion: base of 5th metatarsals action: subtler eversion
90
what is the longest muscle in your body?
the sartorius
91
hamstrings
semitendinosus biceps femoris semimembranosus
92
sciatic nerve
sensory and motor function to the posterior lower extremities. Size of pinky

Human Anatomy and Physiology I (4 decks)

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