plantar flexion


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flexion

 [flek´shun]
1. the act of bending or the condition of being bent.
2. in obstetrics, the normal bending forward of the head of the fetus in the uterus or birth canal so that the chin rests on the chest, thereby presenting the smallest diameter of the vertex.
plantar flexion bending of the toes or foot downwards toward the sole.

plan·tar flex·ion

bending the foot or toes toward the plantar surface.

plantar flexion

Etymology: L, planta, sole, flectere, to bend
a toe-down motion of the foot at the ankle. It is measured in degrees from the 0-degree position of the foot at rest on the ground with the body in a standing position.

plantar flexion

Extension of the foot so that the forepart is depressed with respect to the position of the ankle.
See: dorsiflexion
References in periodicals archive ?
Importantly, this research identified that during machine based studies, a more extended lower limb joint position was adopted by all subjects while scrummaging, with increased hip and knee extension and increased plantar flexion of the ankle observed (Quarrie and Wilson, 2000; Wu et al.
This perturbation reduced dorsiflexion during stance and greater but delayed plantar flexion during the start of swing.
40[degrees] of dorsiflexion, while all shoe conditions displayed the opposite motion of plantar flexion.
Specifically, full dorsi and plantar flexion of the ankle/posterior glide of the tibia over the talus.
Alternatively, an active ankle component could be incorporated into the HNP to provide plantar flexion assistance for push off.
On clinical examination, a sharp pain was provoked by digital palpation of the medial edge of tibia in the distal third as well as by manual muscle testing of foot plantar flexion muscles and walking on toes.
Muscle imbalance favours ankle dorsiflexion (L5), and there is a lack of plantar flexion (S1), resulting in a calcaneus gait.
Ankle dorsal and plantar flexion ranges of motion were measured with the subject in the prone position, with the knees extended and the ankles hanging over the edge of the table.
Apart from basic demographic and socio-economic details, historical and clinical data on leprosy, the foot drop was assessed in terms of position at rest of the ankle, effective dorsiflexion (above 90 degrees, towards dorsiflexion), active & passive range of dorsiflexion & plantar flexion of the ankle joint during both knee flexion and extension, inversion at rest and on dorsiflexion and navicular height.
Plantar flexion and dorsal extension were not possible and the lateral flexors of the foot had been affected by a paresis as well.
Meanwhile the foot handles shock absorption, fast plantar flexion, harmonic rollover, fore foot dynamics, effective foot length, torsional compliance, strength and stability.