Plantarflexion
From Wikipedia, the free encyclopedia
Plantarflexion is the movement which increases the angle between the foot and the leg, as when depressing an automobile pedal. The word "Plantar" translates as "toward the sole" ("Planta").
The movement in the opposite direction is Dorsiflexion.
The range of motion for Plantarflexion is usually indicated in the literature as 30° to 40°, but sometimes also 50°.
The nerves are primarily from S1 and S2.
[edit] Muscles
Primary muscles for Plantarflexion are:
- Posterior compartment of leg
- superficial
- gastrocnemius
- soleus
- plantaris (only weak participation)
- deep
- superficial
[edit] External links
- Dictionary at eMedicine Plantarflexion
- Diagram at gla.ac.uk
- Overview at exrx.net - ankle
- Overview exrx.net - foot
Amphiarthrosis - Symphysis - Gomphosis - Synovial joint (Hinge joint, Pivot joint, Condyloid joint, Saddle joint, Ball and socket joint, Gliding joint)
Kinesiology - Anatomical terms of motion - Agonist/Antagonist
Flexion/Extension - Adduction/Abduction - Internal rotation/External rotation - Supination/Pronation - Plantarflexion/Dorsiflexion - Eversion/Inversion - Elevation/Depression - Protraction/Retraction