Hmti Muscle A,o,i Unit 4

Front 1

Erector spinae group

Back 1

Spinalis

Longissimus

Illiocostalis

Spiders Love Insects

Front 2

Erector spinae group actions

Back 2

Unilaterally

Laterally flex vertebral column to same side

Bilaterally

Extend vertebral column

Front 3

Erector spinae group origin

Back 3

Common tendon (thoracolumbar aponeurosis)

Iliac crest

Spinous processes of lumbar

Last 2 thoracic vertebrae

Front 4

Erector spinae group insertion

Back 4

Posterior ribs (various attachments)

Spinous and transverse processes of thoracic and cervical vertebrae

Mastoid process of temporal bone

Front 5

Spinalis

Back 5

Front 6

Spinalis origin

Back 6

Spinous processes of upper lumbar and lower thoracic vertebrae

Ligamentum nuchae

Spinous process of C7

Front 7

Spinalis insertion

Back 7

Spinous processes of upper thoracic and cervical except C1

Front 8

Longissimus

Back 8

Front 9

Longissimus origin

Back 9

Common tendon

Transverse processes of upper 5 Thoracic vertebrae

Front 10

Longissimus insertion

Back 10

Lower 9 ribs

Transverse processes of thoracic vertebrae

Transverse processes of cervical vertebrae

Mastoid process of temporal bone

Front 11

Illiocostalis

Back 11

Front 12

Illiocostalis origin

Back 12

Common tendon

Posterior surface of ribs 1-12

Front 13

Illiocostalis insertion

Back 13

Transverse processes of lumbar vertebrae 1-3

Posterior surface of ribs 1-12

Transverse processes of lower cervicals

Front 14

Quadratus lumborum

Back 14

Deepest abdominal muscle

Front 15

Quadratus lumborum actions

Back 15

Unilaterally

Laterally tilt pelvis

Laterally flex vertebral column to same side

Assist to extend vertebral column

Bilaterally

Fix the last rib during forced inhalation and exhalation

Front 16

Quadratus lumborum origin

Back 16

Posterior iliac crest

Front 17

Quadratus lumborum insertion

Back 17

Last rib and transverse process of lumbar vertebrae 1-4

Front 18

Rectus abdominis

Back 18

Front 19

Rectus abdominis actions

Back 19

Flex vertebral column

Tilt pelvis posteriorly

Front 20

Rectus abdominis origin

Back 20

Pubic crest

Pubic symphysis

Front 21

Rectus abdominis insertion

Back 21

Xiphoid process

Cartilage of ribs 5-7

Front 22

External oblique

Back 22

Front 23

External oblique actions

Back 23

Unilaterally

Laterally flex vertebral column to same side

Rotate vertebral column to opposite side

Bilaterally

Flex vertebral column

Compress abdominal contents

Front 24

External oblique origin

Back 24

External surface of ribs 5-12

Front 25

External oblique insertion

Back 25

Anterior part of iliac crest

Abdominal aponeurosis to linea alba

Front 26

Internal oblique

Back 26

Front 27

Internal oblique actions

Back 27

Unilaterally

Laterally flex vertebral column to same side

Rotate vertebral column to same side

Bilaterally

Flex vertebral column

Compress abdominal contents

Front 28

Internal oblique origin

Back 28

Lateral inguinal ligament

Iliac crest

Thoracolumbar fascia

Front 29

Internal oblique insertion

Back 29

Internal surface of lower 3 ribs

Abdominal aponeurosis to linea alba

Front 30

Transverse abdominis

Back 30

Front 31

Transverse abdominis actions

Back 31

Compress abdominal contents

Front 32

Transverse abdominis origin

Back 32

Lateral inguinal ligament

Iliac crest

Thoracolumbar fascia

Internal surface of lower 6 ribs

Front 33

Transverse abdominis insertion

Back 33

Abdominal aponeurosis to linea alba

Front 34

Quadriceps femoris group

Back 34

Rectus femoris

Vastus medialis

Vastus lateralis

Vastus intermedius

Front 35

Vastus lateralis

Back 35

Front 36

Vastus lateralis actions

Back 36

Extend the knee (tibiofemoral joint)

Front 37

Vastus lateralis origin

Back 37

Lateral lip of of linea aspera

Gluteal Tuberosity

Greater trochanter

Front 38

Vastus lateralis insertion

Back 38

Tibial Tuberosity via patella and patellar ligament

Front 39

Hamstrings

Back 39

Biceps femoris

Semitendinosus

Semimembranosus

Front 40

Biceps femoris

Back 40

Front 41

Biceps femoris actions

Back 41

Flex knee

Laterally rotate flexed knee

Tilt pelvis posteriorly

Long head: extends hip and assists to laterally rotate hip

Front 42

Biceps femoris origin

Back 42

Long head

Ischial Tuberosity

Short head

Lateral lip of linea aspera

Front 43

Biceps femoris insertion

Back 43

Head of fibula

Front 44

Gluteals

Back 44

Gluteus maximus

Medius

Minimus

Front 45

Gluteus Medius actions

Back 45

All fibers

Abduct hip

Anterior fibers

Flex hip

Medially rotate hip

Posterior fibers

Extend hip

Laterally rotate hip

Front 46

Gluteus Medius origin

Back 46

Gluteal surface of illium between posterior and anterior Gluteal lines, just below iliac crest

Front 47

Gluteus Medius insertion

Back 47

Lateral aspect of greater trochanter

Front 48

Orbicularis oris

Back 48

Strong sphincter muscle of mouth

Can narrow or protrude lips

Kiss

Front 49

Orbicularis oculi

Back 49

Sphincter muscle encircling eyes

Close eyes, squeeze eyelids, squint

Inner fibers involuntarily close eyes during blinking and sleeping

"Smiling with your eyes" will engage lateral portion

Front 50

Adductor group

Back 50

Adductor Magnus

Adductor longus

Adductor brevis

Pectineus

Gracilis

(Men Love Beer and Pretty Girls)

Or in order (Pretty Boys Look Good Momentarily)

Front 51

Pectineus

Back 51

Front 52

Pectineus actions

Back 52

Adduct hip

Medially rotate hip

Assist to flex hip

Front 53

Pectineus origin

Back 53

superior ramus of pubis

Front 54

Pectineus insertion

Back 54

Pectineal line of femur

Front 55

Procerus

Back 55

More involved with eyebrows than nose

Wrinkles skin of nose

Draws down skin between eyebrows

Front 56

Gracilis

Back 56

Front 57

Gracilis actions

Back 57

Adduct hip

Medially rotate hip

Flex knee

Medially rotate flexed knee

Front 58

Gracilis origin

Back 58

Inferior ramus of pubis

Front 59

Gracilis insertion

Back 59

Proximal medial shaft of tibia at pes anserinus tendon

Front 60

Gastrocnemius

Back 60

Front 61

Gastrocnemius actions

Back 61

Flex knee

Plantar flex ankle (talocrural joint)

Front 62

Gastrocnemius origin

Back 62

Condyles of femur, posterior surfaces

Front 63

Gastrocnemius insertion

Back 63

Calcaneus via calcaneal tendon

Front 64

Soleus

Back 64

Front 65

Soleus action

Back 65

Plantar flex ankle

Front 66

Soleus origin

Back 66

Soleal line

Proximal posterior surface of tibia

Posterior aspect of head of fibula

Front 67

Soleus insertion

Back 67

Calcaneus via calcaneal tendon

Front 68

Peroneus brevis

Back 68

Front 69

Tibialis anterior

Back 69

Front 70

Tibialis anterior actions

Back 70

Invert foot

Dorsiflex ankle

Front 71

Tibialis anterior origin

Back 71

Lateral condyle of tibia

Proximal lateral surface of tibia

Interosseous membrane

Front 72

Tibialis anterior insertion

Back 72

Medial cuneiform

Base of first metatarsal

Front 73

Masseter

Back 73

Front 74

Masseter actions

Back 74

Elevate mandible

May assist to protract mandible

Front 75

Masseter origin

Back 75

Zygomatic arch

Front 76

Masseter insertion

Back 76

Angle and ramus of mandible

Front 77

Temporalis

Back 77

Front 78

Temporalis actions

Back 78

Elevate mandible

Retract mandible

Front 79

Temporalis origin

Back 79

Temporal fossa and fascia

Front 80

Temporalis insertion

Back 80

Coranoid process

Anterior edge of ramus of mandible

Front 81

Peroneus brevis actions

Back 81

Evert foot

Assist to plantar flex ankle

Front 82

Peroneus brevis origin

Back 82

Distal 2/3 of lateral fibula

Front 83

Peroneus brevis insertion

Back 83

Tuberosity of 5th metatarsal