Week 7: muscles of leg and foot Flashcards
Posterior superficial muscles name
- Gastrocnemius
- Soleus
- Plantaris
Posterior deep muscles name
- Flexor hallucis longus
- Tibialis posterior
- Flexor digitorum longus
Anterior muscles name
- Tibialis anterior
- Extensor hallicus longus
- Extensor digitorum longus
- Fibularis tertius
Lateral muscles name
- Fibularis longus
- Fibularis brevis
Name the two retinaculum
Superior extensor retinaculum
Inferior extensor retinaculum
What does the superior extensor retinaculum bind to
Binds the tendons of TA, EHL, EDL, PT
Where does the superior extensor retinaculum run
Runs horizontally above ankle
What does the inferior extensor retinaculum bind to
Binds down the TA, EHL, EDL, PT
Gastrocnemius actions
plantarflexion (foot)
flexion (knee)
Soleus actions
plantarflexion
Plantaris actions
plantarflexion (foot)
flexion (knee)
Tibialis anterior actions
dorsiflexion
inversion
fibularis longus actions
plantarflexion
eversion
extensor hallicus longus actions
dorsiflexion
inversion
fibularis brevis actions
plantarflexion
eversion
extensor digitorum longus actions
dorsiflexion
inversion
fibularis tertius actions
dorsiflexion
tibialis posterior actions
plantarflexion
flexion
flexor digitorum longus actions
plantarflexion
flexion
flexor hallicus longus actions
plantarflexion
flexion
What does layer 1 of the foot consist of
Abductor hallicus
Abductor digiti minimi
Flexor digitorum brevis
What does layer 2 of the foot consist of
Lumbricals
Quadrate plantae
Flexor hallicus longus
Flexor digitorum longus
What does layer 3 of the foot consist of
Flexor digiti minimi
Flexor hallicus brevis
Adductor hallicus
What does layer 4 of the foot consist of
Plantar and dorsal interossei
Peroneus longus
Tibialis posterior
Actions of interossei
Plantar:
Flexion + add of metatarsophalangeal
Extension of interphalangeal
Dorsal:
Flexion + abd of metatarsophalangeal
Extension of interphalangeal
Flexor hallicus brevis actions
Flexion of 1st toe (metatarsophalangeal)
Adductor hallicus actions
Adduction of 1st toe (metatarsophalangeal)
Flexor digiti minimi actions
Flexion of 5th toe (metatarsophalangeal)
Flexor hallicus longus actions
Plantarflexion of 1st toe
(interphalangeal + metatarsophalangeal)
Flexor digitorum longus actions
Plantarflexion of 2nd-5th toe
(interphalangeal + metatarsophalangeal)
Abductor hallicus actions
Abduction + flex of 1st toe
(interphalangeal + metatarsophalangeal)
Flexor digitorum brevis actions
Flexion of 2nd-5th toe
(interphalangeal + metatarsophalangeal)
Abductor digiti minimi actions
Abduction of 5th toe
(interphalangeal + metatarsophalangeal)