Neural Exam - 3 month reflexes - grasp

From Embryology
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File:03mo 16.jpg
This infant is almost 3 months old.
  • The palmer grasp reflex is still present for this baby.
  • The grasp reflex is usually gone by 4 to 6 months of age for the hands and 6 to 12 months for the toes.
  • The reflex palmer grasp is gradually replaced by the voluntary activity of reaching and grasping with the hand.


Links: MP4 version
3 Months Neural Exam Movies: normal behaviour | cranial nerves | Tone - head and trunk control | upper extremity‎ | hand movements | lower extremity Positions - supine | prone | ventral suspension | vertical suspension | Reflexes - Deep tendon reflexes | Plantar reflex‎ | Root | Moro | Galant | Grasp | Asymmetric tonic neck‎ | Neural Exam Movies | Neonatal Diagnosis
Movie Source - Paul D. Larsen  
Movies from the PediNeuroLogic Exam website are used by permission of Paul D. Larsen, M.D., University of Nebraska Medical Center and Suzanne S. Stensaas, Ph.D., University of Utah School of Medicine. Additional materials were drawn from resources provided by Alejandro Stern, Stern Foundation, Buenos Aires, Argentina; Kathleen Digre, M.D., University of Utah; and Daniel Jacobson, M.D., Marshfield Clinic, Wisconsin. The movies are licensed under a Creative Commons Attribution-NonCommerical-ShareAlike 2.5 License.
Links: Neural Exam Movies | Movies


Cite this page: Hill, M.A. (2023, December 10) Embryology Neural Exam - 3 month reflexes - grasp. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Neural_Exam_-_3_month_reflexes_-_grasp

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© Dr Mark Hill 2023, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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