Anatomy Of The Calf Muscle. The posterior tibialis muscle supports the arch and helps turn the foot inward. Centenos very brief video of a patients calf muscle as it twitches dramatically as well as an ultrasound image as the twitching occurs compared to a muscle that isnt twitching.
For example pointing the toes by moving the ankle into a downward position. The plantaris muscle consists of a small thin muscle belly and a long thin tendon that forms part of the posterosuperficial compartment of the calf. See Common Running Injuries.
You should feel the pull lower in your calf near the Achilles tendon.
Calf and Shin Pain. It is a deep muscle of the knee joint forming the floor of the popliteus fossa. The plantaris muscle consists of a small thin muscle belly and a long thin tendon that forms part of the posterosuperficial compartment of the calf. Calf muscle twitching can be so subtle you may not even realize its happening or it can be dramatic and even create some pressure in the calf or it can be anywhere in between.