Flexor Digitorum Longus
Flexor Digitorum Longus causes the toes to grip and mold to the floors surface which is vital in maintaining balance on rough surfaces. The tendons pass under the foot. Walking barefoot on an uneven surface is an excellent exercise for this muscle.
Origin
- Lower 2/3 of the posterior surface of the tibia
Insertion
- Plantar (bottom) aspect of the base of the distal (furthest) phalanges of each of the four toes
Actions
- Plantarflexion
- Inversion
- Flexion of the toes
Innervation
- Tibial nerve
Daily uses
- Gripping with the toes
Example exercises
- Calf raises (bent knee)
- Seated calf raise machine
Example stretches
- Soleus stretch
- Soleus stretch 2
- Advanced soleus stretch
Related injuries:
- Inflammation of the extensor tensons of the toes
Related muscles
- Tibialis posterior
- Flexor hallucis longus