If NEXPLANON is inserted deeply (intramuscular or in the fascia), neural or vascular injury may occur. To reduce the risk of. neural or vascular injury, NEXPLANON should be inserted at the inner side of the non-dominant upper arm about 8-10 cm (3-4. inches) above the medial epicondyle of the humerus.
grasp reflex. n. An involuntary bending of the fingers in response to tactile or tendon stimulation on the palm, producing an uncontrollable grasp, and associated with frontal lobe brain lesions.he reflex is a pathologic manifestation of diseases of the premotor cortex. In young infants the tonic grasp reflex is normal: the child can grasp the examiner's fingers so firmly that he or she can be lifted into the air.
Reflex reactions in humans are controlled by the reflex arc. When the safety of an organism demands a very quick response, the signals may be passed directly from a sensory neuron, via a relay neurone, to a motor neurone for instant, unthinking action. This is a reflex action. A reflex arc is the nerve pathway which makes such a fast, automatic response possible. It does not matter how brainy you are - you will always pull your hand away from a flame without thinking about it. It is in-built, or innate, behaviour, and we all behave in the same way.