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Palmar digital nerves

Patient Positioning

Patient seated in front of the examiner, hand palm up resting on a examination table.

Probe Positioning

Place the transducer on a transverse planes over the joints, muscles and tendons of interest. Do not use any pressure - especially while looking for effusion or using doppler mode. Use dynamic scanning to check the movement of the tendons during flexion / extension.

Probe Placement Hand
Probe Placement Hand

note: Each digit is innervated by 4 digital nerves (two palmar and two dorsal located). The digital nerves arise from the median, ulnar, and radial nerves.