Foot Flashcards
Extensor Digitorum Brevis Origin
Dorsal surface of calcaneus
Extensor Digitorum Brevis Insertion
Dorsal aponeurosis of 2-4 phalanges
Base of middle 2-4 phalanges
Extensor Digitorum Brevis Function
Extension of MTP and 2-4 PIP
Extensor Digitorum Brevis Innervation
Deep fibular
L5-S1
Extensor Hallucis Brevis Origin
Dorsal surface of calcaneus
Extensor Hallucis Brevis Insertion
Dorsal aponeurosis of big toe
Base of proximal phalanx of big toe
Extensor Hallucis Brevis Function
Extension of MTP of big toe
Extensor Hallucis Brevis Innervation
Deep fibular
L5-S1
Abductor Hallucis Origin
Medial calcaneal tuberosity
Plantar aponeurosis
Abductor Hallucis Insertion
Base of proximal phalanx of big toe
Abductor Hallucis Function
Flexion and abduction of big toe
Supports longitudinal arch
Abductor Hallucis Innervation
Medial plantar off tibial
S1-S2
Flexor Hallucis Brevis Origin
Medial/intermediate cuneiform
Plantar calcaneocuboid ligament
Flexor Hallucis Brevis Insertion
Proximal phalanx of big toe
Flexor Hallucis Brevis Function
Flexion of 1st MTP
Suports longitudinal arch
Flexor Hallucis Brevis Innervation
Medial head - medial plantar off tibial (S1-S2)
Lateral head - lateral plantar off tibial (S1-S2)
Adductor Hallucis Origin
Oblique head - base of 2-4 MT, cuboid, lateral cuneiform
Transverse head - MTP 3-5, deep transverse MT ligament
Adductor Hallucis Insertion
Base of 1st proximal phalanx
Adductor Hallucis Function
Flexion of 1st MTP
Adducts big toe
Supports longitudinal/transverse arch
Adductor Hallucis Innervation
Lateral plantar off tibial
S2-S3
Flexor Digitorum Brevis Origin
Medial calcaneal tuberosity
Plantar aponeurosis
Flexor Digitorum Brevis Insertion
Sides of 2-5 middle phalanges
Flexor Digitorum Brevis Function
Flexion of MTP and 2-5 PIP
Support longitudinal arch
Flexor Digitorum Brevis Innervation
Medial planter off tibial
Quadratus Plantae Origin
Medial and plantar border on calcaneal tuberosity
Quadratus Plantae Insertion
Lateral border of flexor digitorum longus tendon
Quadratus Plantae Function
Redirects pull of FDL
Quadratus Plantae Innervation
Lateral plantar off tibial
S1-S3
Lumbricals Origin
Medial borders of FD tendon
Lumbricals Insertion
Dorsal aponeurosis of 2-5 toes
Lumbricals Function
Flexion of 2-5 MTP
Extension of 2-5 IP
Adduction 2-5 toward big toe
Lumbricals Innervation
1/2 - medial plantar off tibial, S2-S3
3/4 - lateral plantar off tibial, S2-S3
1st-3rd Plantar Interossei Origin
Medial borders of 3-5 MT
1st-3rd Plantar Interossei Insertion
Medial base of 3-5 proximal phalanx
1st-3rd Plantar Interossei Function
Flexion of 3-5 MTP
Extension of 3-5 IP
Adducts 3-5 toward big toe
1st-3rd Plantar Interossei Innervation
Lateral plantar off tibial
S2-S3
1st-4th Dorsal Interossei Origin
Opposite sides of 1-5 MT
1st-4th Dorsal Interossei Insertion
1 - medial base of 2nd proximal phalanx, dorsal aponeurosis
2-4 - lateral base of 2-4 proximal phalanx, dorsal aponeurosis
1st-4th Dorsal Interossei Function
Flexion of 2-4 MT
Extension of 2-4 IP
Spread toes apart
1st-4th Dorsal Interossei Innervation
Lateral plantar off tibial
S2-S3
Abductor Digiti Minimi Origin
Lateral process and inferior surface of calcaneal tuberosity
Plantar aponeurosis
Abductor Digiti Minimi Insertion
Base of proximal phalanx of little toe
5th MT tuberosity
Abductor Digiti Minimi Function
Flexion of 5th MTP
Abducts little toe
Supports longitudinal arch
Abductor Digiti Minimi Innervation
Lateral plantar off tibial
S1-S3
Flexor Digiti Minimi Origin
Base of 5th MT
Long plantar ligament
Flexor Digiti Minimi Insertion
Base of proximal phalanx of little toe
Flexor Digiti Minimi Function
Flexion of 5th MTP
Flexor Digiti Minimi Innervation
Lateral plantar off tibial
S1-S2
Opponens Digiti Minimi Origin
Long plantar ligament
Plantar tendon sheath of fibularis longus
Opponens Digiti Minimi Insertion
5th MT
Opponens Digiti Minimi Function
Pulls 5th MT plantarmedial direction
Opponens Digiti Minimi Innervation
Lateral plantar off tibial
S1-S2