00b: LE Lab Stuff Flashcards
Gluteus max origin
- Posterior ilium
- Sacrum
- Coccyx
- Sacrotuberous ligament
Gluteus max insertion
- Gluteal tuberosity
2. ITB
Gluteus max nerve supply
Inferior gluteal nerve
Gluteus max actions
- External rotation of hip
2. Extension of hip
Gluteus medius origin
Posterior ilium
Gluteus medius insertion
Greater trochanter of femur
Gluteus medius nerve supply
Superior gluteal nerve
Gluteus medius actions
- Internal rotation of hip
- Abduction of hip
- Keeps pelvis level during SLS
Gluteus minimus origin
Posterior ilium
Gluteus minimus insertion
Greater trochanter of femur
Gluteus minimus nerve supply
Superior gluteal nerve
Gluteus minimus actions
- Internal rotation of hip
- Abduction of hip
- Keeps pelvis level during SLS
Tensor fascia lata origin
ASIS and anterior iliac crest
Tensor fascia lata insertion
ITB
Tensor fascia lata nerve supply
Superior gluteal nerve
Tensor fascia lata actions
- Internal rotation of hip
- Abduction of hip
- Keeps pelvis level during SLS
Piriformis origin
Anterior sacrum and sacrotuberous ligament
Piriformis insertion
Greater trochanter of femur
Piriformis nerve supply
Nerve to Piriformis
Nerve to piriformis roots
S1-2
Piriformis actions
External rotation of hip
Superior gemellus origin
Ischial spine
Superior gemellus insertion
Greater trochanter of femur
Superior gemellus nerve supply
Nerve to obturator internus
Superior gemellus actions
External rotation of hip
Obturator internus origin
- Internal surface of obturator membrane
2. Bony margin of obturator foramen
Obturator internus insertion
Greater trochanter of femur
Obturator internus nerve supply
Nerve to obturator internus
Obturator internus actions
External rotation of hip
Inferior gemellus origin
Ischial tuberosity
Inferior gemellus insertion
Greater trochanter of femur
Inferior gemellus nerve supply
Nerve to quadratus femoris
Inferior gemellus actions
External rotation of hip
Quadratus femoris origin
Ischial tuberosity
Quadratus femoris insertion
Quadrate tubercle on intertrochanteric crest of femur
Quadratus femoris nerve supply
Nerve to quadratus femoris
Quadratus femoris actions
External rotation of hip
Psoas major origin
Body and transverse processes of T12-L5
Psoas major insertion
Lesser trochanter of femur
Psoas major nerve supply
Ventral rami L1-3
Psoas major actions
Hip flexion
Iliacus origin
Iliac fossa
Iliacus insertion
Lesser trochanter of femur
Iliacus nerve supply
Femoral nerve
Iliacus actions
Hip flexion
Rectus femoris origin
AIIS
Rectus femoris insertion
Tibial tuberosity via patellar ligament
Rectus femoris nerve supply
Femoral nerve
Rectus femoris actions
- Hip flexion
2. Knee extension
Vastus medialis origin
Intertrochanteric line and linea aspera
Vastus medialis insertion
Tibial tuberosity via patellar ligament
Vastus medialis nerve supply
Femoral nerve
Vastus medialis actions
Knee extension
Vastus lateralis origin
Greater trochanter and linea aspera
Vastus lateralis insertion
Tibial tuberosity via patellar ligament
Vastus lateralis nerve supply
Femoral nerve
Vastus lateralis actions
Knee extension
Vastus intermedius origin
Anterior femoral shaft
Vastus intermedius insertion
Tibial tuberosity via patellar ligament
Vastus intermedius nerve supply
Femoral nerve
Vastus intermedius actions
Knee extension
Articularis genu origin
Distal anterior femoral shaft
Articularis genu insertion
Superior portion of synovial membrane of knee joint
Articularis genu nerve supply
Femoral nerve
Articularis genu actions
Pulls synovial membrane superiorly during knee extension
Sartorius origin
ASIS
Sartorius insertion
Pes anserinus
Sartorius nerve supply
Femoral nerve
Sartorius actions
- Hip flexion, abduction, and external rotation
2. Knee flexion
Pectineus origin
Superior pubic ramus
Pectineus insertion
Pectineal line of femur
Pectineus nerve supply
Femoral and obturator nerves
Pectineus actions
Hip flexion and adduction
Adductor longus origin
Pubic bone
Adductor longus insertion
Middle 1/3 of linea aspera
Adductor longus nerve supply
Obturator nerve
Adductor longus actions
Hip adduction and assists with hip flexion
Adductor brevis origin
Pubic bone
Adductor brevis insertion
Proximal linea aspera
Adductor brevis nerve supply
Obturator nerve
Adductor brevis actions
Hip adduction and assists with hip flexion
Gracilis origin
Pubic bone
Gracilis insertion
Pes anserinus
Gracilis nerve supply
Obturator nerve
Gracilis actions
- Hip adduction
2. Knee flexion
Adductor Magnus (adductor head) origin
Ischiopubic ramus
Adductor Magnus (adductor head) insertion
- Gluteal tuberosity
- Linea aspera
- Medial supracondylar line
Adductor Magnus (adductor head) nerve supply
Obturator nerve
Adductor Magnus (adductor head) actions
Hip adduction and assists with hip flexion
Adductor Magnus (extensor head) origin
Ischial tuberosity
Adductor Magnus (extensor head) insertion
Adductor tubercle
Adductor Magnus (extensor head) nerve supply
Tibial nerve
Adductor Magnus (extensor head) actions
Hip adduction and extension
Obturator externus origin
- External surface of obturator membrane
2. Bony margins of obturator foramen
Obturator externus insertion
Greater trochanter
Obturator externus nerve supply
Obturator nerve
Obturator externus actions
External rotation of hip
Semimembranosus origin
Ischial tuberosity
Semimembranosus insertion
Medial tibial condyle (posteiror aspect)
Semimembranosus nerve supply
Tibial nerve
Semimembranosus actions
- Hip extension
2. Knee flexion
Semitendinosus origin
Ischial tuberosity
Semitendinosus insertion
Pes anserinus
Semitendinosus nerve supply
Tibial nerve
Semitendinosus actions
- Hip extension
2. Knee flexion
Biceps femoris long head origin
Ischial tuberosity
Biceps femoris long head insertion
Fibular head
Biceps femoris long head nerve supply
Tibial nerve
Biceps femoris long head actions
- Hip extension
2. Knee flexion
Biceps femoris short head origin
- Linea aspera
2. Lateral supracondylar line of femur
Biceps femoris short head insertion
Fibular head
Biceps femoris short head nerve supply
Common fibular nerve
Biceps femoris short head actions
Knee flexion
Gastrocnemius origin
Medial and lateral femoral condyles
Gastrocnemius insertion
Calcaneus (via calcaneal tendon)
Gastrocnemius nerve supply
Tibial nerve
Gastrocnemius actions
- Flexion of knee
2. Plantarflexion of ankle
Soleus origin
- Posterior fibular head and proximal fibula
2. Soleal line of tibia
Soleus insertion
Calcaneus (via calcaneal tendon)
Soleus nerve supply
Tibial nerve
Soleus actions
Plantarflexion of ankle
Plantaris origin
Lateral supracondylar line of femur
Plantaris insertion
Calcaneus (via calcaneal tendon)
Plantaris nerve supply
Tibial nerve
Plantaris actions
Weak ankle plantar flexion
FHL origin
Posterior fibula and interosseous membrane
FHL insertion
Base of distal phalanx of great toe
FHL nerve supply
Tibial nerve
FHL actions
- Ankle plantar flexion
2. Flexion of digit 1
Tibialis posterior origin
- Posterior fibula
- Tibia
- Interosseous membrane
Tibialis posterior insertion
- Tarsals
2. Bases of metatarsal heads
Tibialis posterior nerve supply
Tibial nerve
Tibialis posterior actions
- Plantarflexion of ankle
2. Inversion of foot
FDL origin
Posterior surface of tibia
FDL insertion
Bases of distal phalanges of digits 2-5
FDL nerve supply
Tibial nerve
FDL actions
- Ankle plantar flexion
2. Flexion of digits 2-5
Popliteus origin
- Lateral femoral condyle
2. Lateral meniscus
Popliteus insertion
Proximal, posterior tibia
Popliteus nerve supply
Tibial nerve
Popliteus actions
- “Unlocks” knee by medial rotation of tibia (fixed femur) or lateral rotation of femur (fixed tibia)
- Weak knee flexion
Peroneus longus origin
Head of fibula and superior fibular shaft
Peroneus longus insertion
Plantar surface of medial foot
Peroneus longus nerve supply
Superficial peroneal nerve
Peroneus longus actions
- Plantarflexion of ankle
2. Eversion of foot
Peroneus brevis origin
Inferior fibular shaft
Peroneus brevis insertion
Base of 5th metatarsal
Peroneus brevis nerve supply
Superficial peroneal nerve
Peroneus brevis actions
- Plantarflexion of ankle
2. Eversion of foot
Tibialis anterior origin
- Superior, anterolateral tibia
2. Adjacent (anterior) interosseous membrane
Tibialis anterior insertion
Plantar surface of medial foot
Tibialis anterior nerve supply
Deep peroneal nerve
Tibialis anterior actions
- Dorsiflexion of ankle
2. Inversion of foot
EHL origin
Middle region of fibula and adjacent (anterior) interosseous membrane
EHL insertion
Dorsal surface of base of distal phalanx of great toe
EHL nerve supply
Deep peroneal nerve
EHL actions
- Dorsiflexion of ankle
2. Extension of great toe
EDL origin
- Lateral tibial condyle
- Superior fibular shaft
- Anterior interosseous membrane
EDL insertion
Dorsal surface of bases of middle and distal phalanges of digits 2-5
EDL nerve supply
Deep peroneal nerve
EDL actions
- Dorsiflexion of ankle
2. Extension of toes 2-5
Peroneus tertius origin
Inferior fibula and anterior interosseous membrane
Peroneus tertius insertion
Dorsal surface of base of 5th metatarsal
Peroneus tertius nerve supply
Deep peroneal nerve
Peroneus tertius actions
- Dorsiflexion of ankle
2. Eversion of foot
Abductor hallucis in (X) layer of foot with (Y) nerve supply.
X = first Y = medial plantar
Abductor hallucis actions
Abduction of great toe
Abductor digit minimi in (X) layer of foot with (Y) nerve supply.
X = first Y = lateral plantar
Abductor digiti minimi actions
Abduction of 5th digit
FDB in (X) layer of foot with (Y) nerve supply.
X = first Y = medial plantar
FDB actions
Flexion of digits 2-5
Quadratus plantae in (X) layer of foot with (Y) nerve supply.
X = second Y = Lateral plantar
Quadratus plantae actions
Assists FDL in flexion of digits 2-5
Lumbricals in (X) layer of foot with (Y) nerve supply.
X = second Y = medial plantar (lumbrical 1) and lateral plantar (lumbricals 2-4)
FHB in (X) layer of foot with (Y) nerve supply.
X = third Y = Medial plantar
FHB actions
Flexion of great toe
Adductor hallucis in (X) layer of foot with (Y) nerve supply.
X = third Y = lateral plantar
Adductor hallucis actions
Adduction of great toe
Flexor digiti minimi brevis in (X) layer of foot with (Y) nerve supply.
X = third Y = lateral plantar
Flexor digiti minimi brevis actions
Flexion of digit 5
Plantar interossei in in (X) layer of foot with (Y) nerve supply.
X = fourth Y = lateral plantar
Plantar interossei actions
Adduction of digits 3-5
Dorsal interossei in in (X) layer of foot with (Y) nerve supply.
X = fourth Y = lateral plantar
Dorsal interossei actions
Abduction of digits 2-4
EDB nerve supply
Deep peroneal nerve
EDB actions
Extension of toes 2-4
EHB nerve supply
Deep peroneal nerve
EHB actions
Extension of great toe
