Muscle Actions LE Flashcards
Psoas Major
Hip: Fexion, ER
Spine: Flexion, Ipsilateral Flexion
Iliacus
Hip Flexion, Hip ER
Sartorius
Hip: Flexion, Abduction, ER
Knee: Flexion, IR (Tibia)
Glutues Maximus Upper
Extend HIp
ER HIp
Abduct Hip
Gluteus Maximus Lower
Ext Hip
ER Hip
Adduct Hip
Gluteus Medius
Hip Abduction
Ant: Hip Flexion, IR
Post: Hip Ext, ER
Gluteus Minimus
Hip Abduction
Ant: Hip Flexion, IR
Post: Hip Ext, ER
Tensor Fasciae Latae
Tenses Fascia Latae
Hip Abd
Hip Flex
Hip IR
Piriformis
Hip ER
Hp Abduct
Hip Ext
Gemellus Superior
Hip ER
Hip ADD if Hip is less than 30* ABD
Hip ABD if Hip is greater than 30* ABD
Hip Ext
Gemellus Inferior
Hip ER
Hip ADD if Hip is less than 30* ABD
Hip ABD if Hip is greater than 30* ABD
Hip Ext
Obturator Internis
Hip ER
Hip ADD if Hip is less than 30* ABD
Hip ABD if Hip is greater than 30* ABD
Hip Ext
Obturator Externus
Hip ER
Hip ADD
Quadratus Femoris
Hip ER
Hip ADD
Pectineus
Hip Add
Hip IR
Hip Flex
Adductor Longus
Hip Add
Hip Flex
Hip IR
Adductor Brevis
Hip Add
Hip Flex
Hip IR
Adductor Magnus (Anterior)
Hip Add
Ant: Hip IR
Ant: Hip Flex
Adductor Magnus (Posterior)
Hip Add
Post: Hip ER
Post: Hip Ext
Gracilis
Hip Add
Hip Flex
Knee Flex
Tibia IR
Rectus Femoris
Hip Flex
Knee Ext
Vastus Medialis
Knee Ext
Vastus Lateralis
Knee Ext
Vastus Intermedius
Knee Ext
Biceps Femoris (Long Head)
Hip Ext
Knee Flex
Tibia ER
Biceps Femoris (Short Head)
Knee Flex
Tibia ER
Semimembranosus
Hip Ext
Knee Flex
Tibia IR
Semitendinosus
Hip Ext
Knee Flex
Tibia IR
Popliteus
Knee Flex
Tibia IR
Femur ER
Tibialis Anterior
Ankle Dorsiflexion
IT and STJ: Inversion
IT and STJ
Intertarsal
Subtalar Joint
Extensor Digitorum Longus
Ankle Dorsiflexion
IT and STJ Eversion
2ns-5th MTP/IP Extension
Extensor Hallucis Longus
Ankle Dorsiflexion
It and STJ Eversion and Inversion
1st MTP/IP Extension
Fibularis (peroneus) Longus
Ankle Plantarflexion
IT and STJ Eversion
Fibularis (peroneus) Brevis
Ankle Plantarflexion
IT and STJ Eversion
Fibularis (peroneus) Tertius
Ankle Dorsiflexion
IT and STJ Eversion
Soleus
Ankle PF
IT and STJ Inversion
Gastrocnemius
Ankle PF
IT and STJ Inversion
Knee Flexion
Plantaris
Small Contributor
- Ankle PF
- IT and STJ Inversion
- Knee Flexion
Tibialis Posterior
Ankle PF
IT and STJ Inversion
Flexor Digitorum Longus
Ankle PF
IT and STJ Inversion
MTP Flexion
2nd - 5th IP Flexion
Flexor Hallucis Longus
Ankle PF
IT and STJ Inversion
1st MTP Flexion
1st IP Flexion
Extensor Digitorum Brevis
2nd - 4th MTP Extension
2nd - 4th PIP Extension
Extensor Hallucis Brevis
1st MTP Extension
Abductor Hallucis
1st MTP Abduction
1st MTP Flexion
Flexor Hallucis Brevis (Medial Head)
1st MTP Flexion
Flexor Hallucis Brevis (Lateral Head)
1st MTP Flexion
Adductor Hallucis (Oblique Head)
1st MTP Adduction
1st MTP Flexion
Adductor Hallucis (Transverse Head)
1st MTP Adduction
Support the Transverse Arch
Abductor Digiti Minimi
5th MTP Abduction
5th MTP Flexion
Flexor Digiti MInimi
5th MTP Flexion
Flexor Digitorum Brevis
2nd - 5th MTP Flexion
2nd - 5th PIP Flexion
Quadratus Plantae
Redirects and augments pull of FDL
Lumbricals 1 - 4
2nd - 5th MTP Flexion
2nd - 5th IP Extension
3rd - 5th MTP Adduction
2nd MTP Abduction
Plantar Interossei
3rd - 5th MTP Adduction
Dorsal Interossei
2nd - 4th MTP Abduction
Femoral N. Segments
L2-L4
Saphenous L4
Obturator N. Segments
L2-L4
Superior Gluteal N. Segments
L4-S1
Inferior Gluteal N. Segments
L5-S2
Sciatic N. Segments
L4-S3 Tibial L4-S3 Common Peroneal (L4-S1) (S2) Deep Peroneal (L4-S1) Superficial Peroneal (L4-S1)
Lateral Femoral Cutaneous N.
A sensory N. Segments L2-L3
Iliohypogastric N. Segments
T12-L1
Ilioinguinal N. Segments
L1
Genitofemoral N. Segments
L1-L2
Posterior Femoral Cutaneous N Segments
S1-S3
Pudendal N. Segments
S2-S4