-
Abductor hallucis
- O: flexor retinaculum,plantar aponeurosis,medial tubercle of calcaneus
- I: medial side base of proximal phalanx of big toe
- N: medial plantar n. S2,S3
- A: abducts & flexes big toe
-
Flexor Digitorum Brevis
- O: plantar aponeurosis,intermuscular septum,medial tubercle of calcaneus
- I: both sides of middle phalanges of lateral 4 toes
- N: medial plantar n. S2,S3
- A: flexes lateral 4 toes
-
Abductor Digiti Minimi
- O: plantar aponeurosis,intermuscular septum,medial & lateral tubercles of calcaneus
- I: lateral side base of proximal phalanx of 5th digit
- N: lateral plantar n. S2,S3
- A: abducts & flexes 5th digit
-
Quadratus Plantae
- O: Two heads from the medial and lateral sides of the inferior surface of the calcaneus.
- I: Lateral border of the tendon of the flexor digitorum longus.
- N: Lateral plantar, S2,3
- A: Flexes the 2nd-5th toes
-
Lumbricals
- O: tendon of FDL
- I: medial side of dorsal expansion of lateral 4 toes
- N: 1st lumbrical – medial plantar n. S2,S32nd, 3rd, 4th lumbricals – lateral plantar n. S2,S3
- A: flexes MTP,extends IPs of 4 lateral toes
-
Flexor Hallucis Brevis
- O: plantar surfaces of cuboid & lateral (3rd) cuneiform
- I: both sides of base of proximal phalanx of big toe
- N: medial plantar n. S2,S3
- A: flexes MTP joint of big toe
-
Adductor Hallucis
- O: oblique head – bases of 2nd,3rd, 4th metatarsal bones; transverse head – plantar ligament of 3rd, 4th, 5th MTPjoints
- I: lateral side base of prox.phalanx of big toe
- N: deep branch of lateral plantar n. S2,S3A: adducts big toe
-
Flexor Digiti Minimi Brevis
- O: base of 5th metatarsal
- I: base of proximal phalanx of 5th toe
- N: superficial branch of lateral plantar n. S2,S3
- A: flexes proximal phalanx of 5th toe
-
Dorsal Interossei
- O: adjacent sides of metatarsals 1-5
- I: 1st – medial side of proximal phalanx of 2nd toe 2nd-4th – lateral sides of digits 2-4, dorsal digital expansion
- N: lateral plantar n. S2,S3
- A: abducts digits 2-4, flexes MTPs, extends IPs
-
Plantar Interossei
- O: bases and medial sides of metatarsal 3-5
- I: medial sides of bases of prox. phalanges of 3rd-5th digits; dorsal expansion
- N: lateral plantar n. S2,S3
- A: adducts digits 3-5,flexes MTPs, extends IPs
-
Extensor Digitorum Brevis
- O: calcaneus, stem of inferior extensor retinaculum
- I: lateral sides of extensor digitorum longus tendons 2nd,3rd, 4th, 5th toes
- N: deep peroneal n. (L5 or S1or both)
- A: extends digits
-
Extensor Hallucis Brevis
- O: calcaneus, stem of inferior extensor retinaculum
- I: dorsal aspect of base of proximal phalanx of big toe
- N: deep peroneal n. (L5 or S1or both)
- A: extends big toe
|
|
