On the human anatomy the ankle is the linking district between the foot and the leg, on the lower limb.

However, it is good to specify that, on the pure medical language, the term ankle identify a set of three joints: talocrural joint, subtalaris joint and tibio-fibular joint.

The main bones of the ankle are talus (on the foot), tibia and fibula on the leg.
The joint is tied by the strong deltoid ligament on the medial side and by three lateral ligaments: talus-fibular anterior, talus-fibular posteriors, and the calcaneal-fibular.

The ankle allows the foot to do two basic and contrapose movements:

  • The plantar flexion: that is commonly called ankle extension;
  • The dorsal flexion: that is commonly called ankle flexion.

These ligaments provide stability to the ankle a controlled mobility of the ankle allows the walk on irregular surfaces.
The lateral movements are identified in:

  • The pronation;
  • The supination.

As the ankle is the only point of contact with the ground these movements are fundamental for the postural control, the gait and for the sport activities.

The ankle sprain represents the most common disease after the low back.

For all these reasons it is really important to check the stability and the physiological range of motion of this joint, compared with the contralateral one. The absence of symptoms does not exclude joint problems that may arise in the future.
Being a joint used for the daily activities it is important to ensure its correct functions.

The Tecnoboy devices can evaluate, improve and train the ankle joint.
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