Do you assess prone extension and supine flexion Part 2

Prone Extension and Supine Flexion | 0 comments

Written by Cheri Dotterer

July 5, 2020

Several weeks ago, I began a series on primitive reflexes. Last week, I introduced the term tonic reflex. To recap, a tonic reflex is “the occurrence of an appreciable interval after the production of a reflex before relaxation” (Farlex, 2020). I used the example of the knee jerk test that determines deep tendon reflex response as an example of how this idea works.

I posed the question in that article about the assessment of prone extension and supine flexion and primitive reflexes. Have you thought about that relationship this week? What are the two primitive reflexes that are interfering with prone extension and supine flexion?

What is prone extension?

Teachers and parents forgive me if I have stated terms that you do not understand. Prone extension is the superman pose. Lie a student face down on the mat or floor.  Have them extend their arms and feet and balance on their stomach. Their body will appear much like a boat or bottom of a wagon. Typically, an elementary student should hold the pose for at least 30 seconds. If they cannot some other factors could be involved.

What is supine flexion?

Now, have the student roll over face up.  Bring their knees to their chest and criss cross their arms across their chest. Bend their head forward off the floor.  Now, hold that posture for 30 seconds. Can they hold it? Are they having trouble? As with prone extension, if a student cannot hold the pose, other neurological issues may be present.

Now that you understand the poses that I am referring to, I will reveal the associated primitive reflexes next week.

Farlex, Inc. (2020). Definition of tonic reflex. Retrieved from https://medical-dictionary.thefreedictionary.com/tonic+reflex#:~:text= the%20occurrence%20of%20an%20appreciable,time%20after%20a%20knee%20jerk.

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