Invertion of Radial Reflex
Invertion of Biceps Reflex
- On eliciting the supinator jerk, the following response is observed
- There is absence of flexion of elbow,
- Instead there is brisk finger flexion,
- Biceps jerk is absent and the triceps jerk is exaggerated. The presence of this lesion suggest this the
- Lesion at C5>C6 segment.
- On eliciting bicep reflex the following are noticed
- There is no flexion at the elbow
- But instead there is extension at the elbow' due contraction of the triceps muscle.
- Presence of this reflex indicates that the lesion is at the level of C5 segment
- On eliciting the knee jerk you can observe the following
- There is no extension of the knee joint
- But instead there is flexion of the knee due to contraction of the hamstring muscles.
- Presence of this indicates that the lesion is at the level of L3, 4
