KLAF OINA

• Tibialis Anterior


  • O: Lateral Surface of Shaft of Tibia and Interosseous Membrane
  • I: Medial Cuneiform and Base of 1st Metatarsal Bone
  • N: Deep Fibular Nerve L4-L5
  • A: Extends Foot at Ankle Joint; Inverse Foot at Subtalar and Transverse Tarsal Joints; Holds Up Medial Longitudinal Arch of Foot
• Extensor Digitorum Longus


  • O: Anterior Surface of Shaft of Fibula
  • I: Extensor Expansion of Lateral Four Toes
  • N: Deep Fibular Nerve L5-S1
  • A: Extends Toes; Extends Foot at Ankle Joint
• Fibularis Tertius


  • O: Anterior Surface of Shaft of Fibula
  • I: Base of 5th Metatarsal Bone
  • N: Deep Fibular Nerve L5-S1
  • A: Extends Foot at Ankle Joint; Everts Foot at Subtalar and Transverse Tarsal Joints
• Extensor Hallucis Longus


  • O: Anterior Surface of Shaft of Fibula
  • I: Base of Distal Phalanx of Great Toe
  • N: Deep Fibular Nerve L5-S1
  • A: Extends Big Toe; Extends Foot at Ankle Joint; Inverts Foot at Subtalar and Transverse Tarsal Joints
• Peroneus Longus


  • O: Lateral Surface of Shaft of Fibula
  • I: Base of 1st Metatarsal and Medial Cuneiform
  • N: Superficial Fibular Nerve L5-S2
  • A: Plantar Flexes Foot at Ankle Joint; Everts Foot at Subtalar and Transverse Tarsal Joints; Supports Lateral Longitudinal and Transverse Arches of Foot
• Peroneus Brevis


  • O: Lateral Surface of Shaft of Fibula
  • I: Base of 5th Metatarsal Bone
  • N: Superficial Fibular Nerve L5-S2
  • A: Plantar Flexes Foot at Ankle Joint; Everts Foot at Subtalar and Transverse Tarsal Joints; Supports Lateral Longitudinal Arch of Foot
• Gastrocnemius


  • O: Lateral Head from Lateral Condyle of Femur and Medial Head from Above Medial Condyle
  • I: Via Tendo Calcaneus into Posterior Surface of Calcaneum
  • N: Tibial Nerve S1-S2
  • A: Plantar Flexes at Ankle Joint; Flexes Knee Joint
• Plantaris


  • O: Lateral Supracondylar Ridge of Femur
  • I: Posterior Surface of Calcaneum
  • N: Tibial Nerve S1-S2
  • A: Plantar Flexes Foot at Ankle Joint; Flexes Knee Joint
• Soleus


  • O: Shafts of Tibia and Fibula
  • I: Via Tendo Calcaneus into Posterior Surface of Calcaneum
  • N: Tibial Nerve S1-S2
  • A: Plantar Flexor of Ankle Joint; Provides Main Propulsive Force in Walking and Running
• Popliteus


  • O: Lateral Surface of Lateral Condyle of Femur
  • I: Posterior Surface of Shaft of Tibia Above Soleal Line
  • N: Tibial Nerve L4-S1
  • A: Flexes Leg at Knee Joint; Unlocks Knee Joint by Lateral Rotation of Femur on Tibia and Slackens Ligaments of Joint
• Flexor Digitorum Longus


  • O: Posterior Surface of Shaft of Tibia
  • I: Bases of Distal Phalanges of Lateral Four Toes
  • N: Tibial Nerve S2-S3
  • A: Flexes Distal Phalanges of Lateral Four Toes; Plantar Flexes Foot at Ankle Joint; Supports Medial and Lateral Longitudinal Arches of Foot
• Flexor Hallucis Longus


  • O: Posterior Surface of Shaft of Fibula
  • I: Base of Distal Phalanx of Big Toe
  • N: Tibial Nerve S2-S3
  • A: Flexes Distal Phalanx of Big Toe; Plantar Flexes Foot at Ankle Joint; Supports Medial Longitudinal Arch of Foot
• Tibialis Posterior


  • O: Posterior Surface of Shafts of Tibia and Fibula and Interosseous Membrane
  • I: Tuberosity of Navicular Bone and Other Neighboring Bones
  • N: Tibial Nerve L4-L5
  • A: Plantar Flexes Foot at Ankle Joint; Inverts Foot at Subtalar and Transverse Tarsal Joints; Supports Medial Longitudinal Arch of Foot
• Abductor Hallucis


  • O: Medial Tuberosity of Calcaneum and Flexor Retinaculum
  • I: Base of Proximal Phalanx of Big Toe
  • N: Medial Plantar S2-S3
  • A: Flexes and Abducts Big Toe; Braces Medial Longitudinal Arch
• Flexor Digitorum Brevis


  • O: Medial Tubercle of Calcaneum
  • I: Four Tendons to Four Lateral Toes — Borders of Middle Phalanx
  • N: Medial Plantar S2-S3
  • A: Flexes Lateral Four Toes; Braces Medial and Lateral Longitudinal Arches
• Abductor Digiti Minimi


  • O: Medial and Lateral Tubercles of Calcaneum
  • I: Base of Proximal Phalanx of Fifth toe
  • N: Lateral Plantar Nerve S2-S3
  • A: Flexor and Abducts Fifth Toe; Braces Lateral Longitudinal Arch
• Quadratus Plantae


  • O: Medial and Lateral Sides of Calcaneum
  • I: Tendon of Flexor Digitorum Longus
  • N: Lateral Plantar Nerve S2-S3
  • A: Assists Flexor Digitorum Longus in Flexing Lateral Four Toes
• Lumbricals (4)


  • O: Tendons of Flexor Digitorum Longus
  • I: Dorsal Extensor Expansion
  • N: First Lumbrical: Medial Plantar Nerve; Remainder: Lateral Plantar Nerve S2-S3
  • A: Extends Toes at Interphalangeal Joint
• Flexor Digitorum Longus Tendon


  • O: Posterior Surface of Shaft of Tibia
  • I: Bases of Distal Phalanges of Lateral Four Toes
  • N: Tibial Nerve S2-S3
  • A: Flexes Distal Phalanges of Lateral Four Toes; Plantar Flexes Foot at Ankle Joint; Supports Medial and Lateral Longitudinal Arches of Foot
• Flexor Hallucis Longus Tendon


  • O: Posterior Surface of Shaft of Tibia
  • I: Bases of Distal Phalanx of Big Toe
  • N: Tibial Nerve S2-S3
  • A: Flexes Distal Phalanx of Big Toe; Plantar Flexes Foot at Ankle Joint; Support Medial Longitudinal Arch of Foot
• Flexor Hallucis Brevis


  • O: Cuboid, Lateral, Cuneiform, Tibialis Posterior Insertion
  • I: Medial Tendon into Medial Side of Base of Proximal Phalanx of Big Toe; Lateral Tendon into Lateral Side of Base of Proximal Phalanx of Big Toe
  • N: Medial Plantar Nerve S2-S3
  • A: Flexes Metatarsophalangeal Joint of Big Toe; Supports Medial Longitudinal Arch
• Adductor Hallucis


  • O: Oblique Head Bases of 2nd, 3rd, and 4th Metatarsal Bones; Transverse Head from Plantar Ligaments
  • I: Lateral Side of Base of Proximal Phalanx of Big Toe
  • N: Deep Branch Lateral Plantar S2-S3
  • A: Flexes Metatarsophalangeal Joint of Big Toe; Holds Together Metatarsal Bones
• Flexor Digiti Minimi Brevis


  • O: Base of 5th Metatarsal Bone
  • I: Lateral Side of Base of Proximal Phalanx of Little Toe
  • N: Lateral Plantar Nerve S2-S3
  • A: Flexes Metatarsophalangeal Joint of Little Toe
• Interossei Dorsal (4)


  • O: Adjacent Sides Metatarsal Bones
  • I: Bases of Proximal Phalanges — First: Medial Side of 2nd Toe; Remainder: Lateral Sides of 2nd, 3rd and 4th Toes — also Dorsal Extensor Expansion
  • N: Lateral Plantar Nerve S2-S3
  • A: Abduction of Toes; Flexes Metatarsophalangeal Joints and Extends Interphalangeal Joints
• Interossei Plantar (3)


  • O: Inferior Surfaces of 3rd, 4th and 5th Metatarsal Bones
  • I: Medial Side of Bases of Proximal Phalanges of Lateral Three Toes
  • N: Lateral Plantar Nerve S2-S3
  • A: Adduction of Toes; Flexes Metatarsophalangeal Joints and Extends Interphalangeal Joints
• Fibularis Longus Tendon


  • O: Lateral Surface of Shaft of Fibula
  • I: Base of 1st Metatarsal and Medial Cuneiform
  • N: Superficial Fibular Nerve L5-S2
  • A: Plantar Flexes Foot at Ankle Joint; Everts Foot at Subtalar and Transverse Tarsal Joints; Supports Lateral Longitudinal and Transverse Arches of Foot
• Tibialis Posterior Tendon


  • O: Posterior Surface of Shafts of Tibia and Fibula and Interosseous Membrane
  • I: Tuberosity of Navicular Bone and Other Neighboring Bones
  • N: Tibial Nerve L4-L5
  • A: Plantar Flexes Foot at Ankle Joint; Inverts Foot at Subtalar and Transverse Tarsal Joints; Supports Medial Longitudinal Arch of Foot
• Extensor Digitorum Brevis


  • O: Anterior Part of Upper Surface of Calcaneum and Inferior Extensor Retinaculum
  • I: By Four Tendons into the Proximal Phalanx of Big Toe and Long Extensor Tendons to 2nd, 3rd, and 4th Toes
  • N: Deep Fibular Nerve S1-S2
  • A: Extends Toes