Search
deep tendon reflex (DTR)
Activation of muscle stretch receptors by percussing the tendon of a muscle.
Grading:
0+ none
1+ hypoactive
2+ normal
3+ slightly brisk compared to normal
4+ hyperactive
Reflex Nerve Root(s) Muscle
biceps C5-C6 biceps
triceps C7-C8 triceps
knee L2-L4 quadriceps
ankle S1 gastrocnemius
Specific
hyperreflexia
hyporeflexia
General
reflex
References
- Clinical Anatomy Made Ridiculously Simple. Stephen
Goldberg, MedMaster Inc, Miami, 1995
- B. Ourmazdi, M.D. Synopsis of Neurology & Examination,
B & B Books, Saratoga, CA, 1998
- Mayo Internal Medicine Board Review, 1998-99, Prakash UBS (ed)
Lippincott-Raven, Philadelphia, 1998, pg 682