dorsiflex


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Related to dorsiflex: Dorsiflexors

dorsiflex

[′dȯr·sə‚fleks]
(zoology)
To flex or cause to flex in a dorsal direction.
References in periodicals archive ?
The reduced MTC on the prosthetic side is likely to be at least partly due to the prosthetic foot's inability to actively dorsiflex during swing, and this may partly explain the greater falls risk in people with amputation.
The following signs were used to assess generalized joint laxity (GJL): passively dorsiflex the 5th metacarpophalangeal joint to [greater than or equal to] 90[degrees], Oppose the thumb to the volar aspect of the ipisilateral forearm, hyperextend elbow to [greater than or equal to] 10[degrees], hyperextend knee to [greater than or equal to] 10[degrees], and place hands flat on the floor without bending the knees.
While the physiological ankle can actively dorsiflex up to 27[degrees] during movement on stairs [1-2], prosthetic feet with solid ankle designs are fixed at 90[degrees] and those with articulated ankles and J-shaped ankle springs vary the amount of functional dorsiflexion based on their design.
The DF nerve also innervates the extensor hallucis longus and extensor digitorum longus muscles, which primarily extend the toes and dorsiflex the foot, predominantly in non-weight-bearing positions.