Kinesiology Flashcards
Actions
Rectus Abdominis
Flex vertebral column
Tilt pelvis posteriorly

Actions
Erector Spinae
Unilaterally:
Laterally flex vertebral column to the same side
Bilaterally:
Extend the vertebral column

Actions
Quadratus Lumborum
Unilaterally:
Laterally tilt (elevate) pelvis
Laterally flex the vertebral column to the same side
Assist to extend the vertebral column
Bilaterally:
Fix the last rib during forced inhalation and exhalation

Actions
Gluteus Maximus
All fibers:
Extend coxal joint (hip)
Laterally rotate coxal joint
Abduct coxal joint
Lower fibers:
Adduct coxal joint

Actions
Gluteus Medius
All fibers:
Abduct the coxal joint (hip)
Anterior fibers:
Flex coxal joint
Medially rotate coxal joint
Posterior fibers:
Extend coxal joint
Laterally rotate coxal joint

Actions
Piriformis
Laterally rotate the coxal joint (hip)
Abduct coxal joint when flexed

Actions
Psoas Major
(Iliopsoas)
With the origin fixed:
Flex the coxal joint (hip)
May laterally rotate coxal joint
With the insertion fixed:
Flex the trunk toward the thigh
Tilt pelvis anteriorly
Unilaterally:
Assist to laterally flex the lumbar spine

Actions
Tensor Fasciae Latae
Flex the coxal joint (hip)
Medially rotate coxal joint
Abduct coxal joint

Actions
Tibialis Posterior
Invert the foot
Plantar flex the talocrural joint (ankle)

Actions
Peroneus Longus
Evert the foot
Assist to plantar flex the talocrural joint (ankle)

Actions
Flex vertebral column
Tilt pelvis posteriorly

Rectus Abdominis
Actions
Unilaterally:
Laterally flex vertebral column to the same side
Bilaterally:
Extend the vertebral column

Erector Spinae
Actions
Unilaterally:
Laterally tilt (elevate) pelvis
Laterally flex the vertebral column to the same side
Assist to extend the vertebral column
Bilaterally:
Fix the last rib during forced inhalation and exhalation

Quadratus Lumborum
Actions
All fibers:
Extend coxal joint (hip)
Laterally rotate coxal joint
Abduct coxal joint
Lower fibers:
Adduct coxal joint

Gluteus Maximus
Actions
All fibers:
Abduct the coxal joint (hip)
Anterior fibers:
Flex coxal joint
Medially rotate coxal joint
Posterior fibers:
Extend coxal joint
Laterally rotate coxal joint

Gluteus Medius
Actions
Laterally rotate the coxal joint (hip)
Abduct coxal joint when flexed

Piriformis
Actions
With the origin fixed:
Flex the coxal joint (hip)
May laterally rotate coxal joint
With the insertion fixed:
Flex the trunk toward the thigh
Tilt pelvis anteriorly
Unilaterally:
Assist to laterally flex the lumbar spine

Psoas Major
(Iliopsoas)
Actions
Flex the coxal joint (hip)
Medially rotate coxal joint
Abduct coxal joint

Tensor Fasciae Latae
Actions
Invert the foot
Plantar flex the talocrural joint (ankle)

Tibialis Posterior
Actions
Evert the foot
Assist to plantar flex the talocrural joint (ankle)

Peroneus Longus
Origins
Rectus Abdominis
Pubic Crest
Pubic Symphysis

Origins
Erector Spinae
Common tendon (thoracolumbar aponeurosis) that attaches to the posterior surface of sacrum
Iliac crest
Spinous processes of the lumbar and last two thoracic vertebrae

Origins
Quadratus Lumborum
Posterior Iliac Crest

Origins
Gluteus Maximus
Coccyx
Edge of sacrum
Posterior iliac crest
Sacrotuberus ligament
Sacroiliac ligament

Origins
Gluteus Medius
Gluteal surface of ilium, between posterior and anterior gluteal lines, just below the iliac crest

Origins
Piriformis
Anterior surface of sacrum

Origins
Psoas Major
(Iliopsoas)
Bodies and transverse processes of lumbar vertebrae

Origins
Tensor Fasciae Latae
Iliac crest, posterior to the ASIS

Origins
Tibialis Posterior
Proximal, posterior shafts of tibia and fibula
Interosseous membrane

Origins
Peroneus Longus
Head of fibula
Proximal 2/3s of lateral fibula

Origins
Pubic Crest
Pubic Symphysis
Rectus Abdominis

Origins
Common tendon (thoracolumbar aponeurosis) that attaches to the posterior surface of sacrum
Iliac crest
Spinous processes of the lumbar and last two thoracic vertebrae
Erector Spinae

Origins
Posterior Iliac Crest
Quadratus Lumborum

Origins
Coccyx
Edge of sacrum
Posterior iliac crest
Sacrotuberus ligament
Sacroiliac ligament
Gluteus Maximus

Origins
Gluteal surface of ilium, between posterior and anterior gluteal lines, just below the iliac crest
Gluteus Medius

Origins
Anterior surface of sacrum
Piriformis

Origins
Bodies and transverse processes of lumbar vertebrae
Psoas Major
(Iliopsoas)

Origins
Iliac crest, posterior to the ASIS
Tensor Fasciae Latae

Origins
Proximal, posterior shafts of tibia and fibula
Interosseous membrane
Tibialis Posterior

Origins
Head of fibula
Proximal 2/3s of lateral fibula
Peroneus Longus

Insertions
Rectus Abdominis
Cartilage of 5th, 6th, and 7th ribs
Xiphoid Process

Insertions
Erector Spinae
Various attachments at the posterior ribs
Spinous and transverse processes of thoracis and cervical vertebrae
Mastoid process of temporal bone

Insertions
Quadratus Lumborum
Last rib
Transverse processes of 1st thru 4th lumbar vertebrae

Insertions
Gluteus Maximus
Iliotibial tract (upper fibers)
gluteal tuberosity (lower fibers)

Insertions
Gluteus Medius
Lateral aspect of greater trochanter

Insertions
Piriformis
Superior aspect of greater trochanter

Insertions
Psoas Major
(Iliopsoas)
Lesser trochanter

Insertions
Tensor Fasciae Latae
Iliotibial tract

Insertions
Tibialis Posterior
All five tarsal bones
Bases of 2nd thru 4th metatarsals

Insertions
Peroneus Longus
Base of the 1st metatarsal
Medial cuneiform

Insertions
Cartilage of 5th, 6th, and 7th ribs
Xiphoid Process
Rectus Abdominis

Insertions
Various attachments at the posterior ribs
Spinous and transverse processes of thoracis and cervical vertebrae
Mastoid process of temporal bone
Erector Spinae

Insertions
Last rib
Transverse processes of 1st thru 4th lumbar vertebrae
Quadratus Lumborum

Insertions
Iliotibial tract (upper fibers)
gluteal tuberosity (lower fibers)
Gluteus Maximus

Insertions
Lateral aspect of greater trochanter
Gluteus Medius

Insertions
Superior aspect of greater trochanter
Piriformis

Insertions
Lesser trochanter
Psoas Major
(Iliopsoas)

Insertions
Iliotibial tract
Tensor Fasciae Latae

Insertions
All five tarsal bones
Bases of 2nd thru 4th metatarsals
Tibialis Posterior

Insertions
Base of the 1st metatarsal
Medial cuneiform
Peroneus Longus
