Foot Flashcards
Which retinaculums are found around the ankle
Superior extensor retinaculum Inferior extensor retinaculum Superior fibular retinaculum Inferior fibular reticaulum Flexor retinaculum
Posterior to medial malleolus:
Tibialis posterior flexor Digitorium longus posterior tibial Artery tibial Nerve flexor Hallucis longus
Muscles of the superior part of the foot
- Extensor hallucis brevis
- Extensor digitorium brevis
- Extensor digitorium longus
(tendon) - Interossei
- Extensor hallucis longus
(tendon)
Extensor hallucis brevis
Extensor digitorium brevis
Extensor digitorium longus (tendon)
Interossei
Extensor hallucis longus (tendon)
Extensor digitorium brevis and
Extensor hallucis brevis nerve supply
Deep fibular nerve (L5/S1)
Plantar aponeurosis
Plantar aponeurosis function
to keep the tension in the foot
Plantar fascia consists of
Medial plantar fascia
Lateral plantar fascia
There are ___ layers of muscles in the foot
4
1st layer muscles
Flexor digitorium brevis
Adductor hallucis
Abductor digiti minimi
Nerve: Medial plantar (S2, 3)
Flexor digitorium brevis
Adductor hallucis
Abductor digiti minimi
2nd layer muscle
Lumbricalis
Quadratus plantae
Lumbricalis
Nerve:
Medial nerve
–medial plantar (S2,3)
Quadratus plantae
Nerve:
-Lateral three
– lateral plantar (S2,3)
3rd layer muscles
Flexor hallucis brevis
Adductor hallucis
Flexor digit minimi brevis
Flexor hallucis brevis
Nerve: Medial plantar (S2,3)
Adductor hallucis
Nerve:
Deep branch lateral plantar (S2,3)
Flexor digiti minimi brevis
Nerve:
Superficial branch lateral plantar
S2,3
4th layer muscles
- Plantar interossei
- Plantar interossei Adduct (PAD)
- Dorsal interossei
- Dorsal interossei Abduct (DAB)
Nerver:
- Lateral plantar
(S2,3)
Plantar interossei
Dorsal interossei
What type of joint is it ankle?
Hinge type synovial
- There is a joint capsule
Which ligaments are fund in the ankle
Laterally
- anterior talofibular
- posterior talofibular
- calcanofibular
Medially
-medial ligament
Other major ligaments
plantar calcaneonavicular
long plantar
plantar calcaneocuboid
Movements of the ankle
Dorsiflexion
Plantar flexion
There are 2 main arches of the foot
- longitudinal
- medial part
- lateral part
- transversa
A-B
Anterior transverse arch
B-C
Lateral longitudinal arch
A-C
Medial longitudinal arch