palmar grasp

pal·mar grasp

(pahl'măr grasp)
A grasp pattern emerging in the 5th-6th month whereby the child places a pronated forearm or hand down on an object and the fingers simultaneously curl around the object, securing it in the midsection of the palm; the thumb is adducted against the radial aspect of the palm and does not assist with the grasp.
References in periodicals archive ?
There are five main types of grasp that the thumb performs: cylindrical grasp, tip pinch, palmar grasp, spherical grasp, and lateral pinch.
We're all born with the primitive palmar grasp reflex.
The features were ranked by the separability of a 2-class problem, for example, palmar grasp versus rest (lateral and pinch grasp), based on w-statistics from Mann-Whitney's test.
Pal: palmar grasp, Lat: lateral grasp, and Pin: pinch grasp.
In a study by De Renzi and Barbieri [14], the palmar grasp reflex was elicited in 21 (66%) of 32 patients with a medial frontal lesion and in 8 (26%) of 30 patients with a lateral frontal lesion.
The crawling, stepping, Moro's, rooting, startle, sucking, and palmar grasp reflex noted.
The palmar grasp provides the opposition of the palm and the thumb and allows holding bigger and heavier objects such as cans and bottles.
FES pattern activated for the desired grasp was predetermined according to the detected SSVEP (e.g., FES: for palmar grasp as a result of [SSVEP.sub.1]/[f.sub.1]).
The device electrically activates paralyzed muscles by using electrodes that are either implanted within or sutured to the muscles in the hand and the forearm to provide two types of grasping patterns: a palmar grasp and a lateral pinch.
Four items demonstrated poor reliability: Passive Shoulder Elevation (0.58) and the Reflex section, which includes Palmar Grasp (0.49), Plantar Grasp (0.67), and Vertical Suspension (0.41).
At 32 weeks, the palmar grasp should be mostly complete.
This reaction, known as the palmar grasp reflex, is a throwback to hairier times when babies of our predecessors would have clung to their mothers by gripping on to their body fur.

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