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The anatomy of the foot 

The foot skeleton consists of 28 bones.
The foot bones can be divided into following groups: tarsal bones, metatarsal bones and phalanxes. 20 muscles and over 114 tendons and ligaments ensure the required flexibility and stability of the bones to each other.
A fine nerve and blood vessel network supplies the surface and deeper muscles above and below the foot.

The foot arch 

The foot has a longitudinal and transverse arch. The foot arches are held in place by cross bracing of muscles and held upright by tendons. Hence, the body weight is mainly carried by the three points of the heel, the first and the fifth metatarsophalangeal joints.

Bracing of the longitudinal arch:

  • plantar aponeurosis
  • ligamentum plantare longum
  • musculus flexor hallucis longus
  • foot's short muscle group

Bracing of the transverse arch:

  • musculus tibialis posterior
  • musculus peronaeus profundus


Together they 'wrap around' the middle foot like a stirrup from the inside and outside and hold the arch up.


Load through pressure
Longitudinal arch
Transverse arch

Function of the foot arch

The foot provides the first contact between human and the ground. In a healthy foot in normal position, the transverse- and longitudinal foot arches perform an important dampening role. The entire body weight needs to be carried by the foot when walking, while also reducing the load peaks on joints such as knees, hips, and spine. To do this, the foot arches subside upon ground contact of every step due to the load experienced, and the muscle tension builds them up again.



Biomechanics and cycling

On subsidence of the foot arches the foot fatigues and the direct force transmitted to the pedals is reduced. Too much movement of the foot in the cycling shoe can lead to nerve and blood vessel constrictions which result in paraesthesia or numbness.

Pedals for any Bike

Road & MTB Race
Road & MTB Race
Road & MTB Race
Pedas 511
Clipless pedals available in four different axis lengths.
 
Trekking
Trekking
Trekking
Pedals 502

One sided clipless pedal available in four different axis lengths.

 
Comfort
Comfort
Comfort
Pedals 521
City pedal available in four different axis lengths.
 

Insoles for every foot type

High
High
High
Insoles 216
Insoles for high support of the longitudinal arch in the foot.
 
Med
Med
Med
Insoles 215

Insole for medium support of the longitudinal arch in the foot.

 
Low
Low
Low
Insoles 214
Insoles for low support of the longitudinal arch in the foot.