Neurological Examination Made Easy by Geraint Fuller MD FRCP

Author:Geraint Fuller, MD FRCP [Fuller, Geraint]
Language: eng
Format: epub
ISBN: 978-0-702-04775-6
Publisher: Churchill Livingstone
Published: 2008-06-12T16:00:00+00:00

Finger extension

Fix the patient’s hand. Ask him to keep his fingers straight. Press against the extended fingers (Fig. 17.4).

• Muscle: extensor digitorum

• Nerve: posterior interosseous nerve (a branch of the radial nerve)

• Root: C7, (C8).

Figure 17.4 Testing finger extension

Finger flexion

Close your fingers on the patient’s fingers palm to palm so that both sets of fingertips are on the other’s metacarpal phalangeal joints. Ask the patient to grip your fingers and then attempt to open the patient’s grip (Fig. 17.5).

• Muscles: flexor digitorum superficialis and profundus

• Nerves: median and ulnar nerves

• Root: C8.

Figure 17.5 Testing finger flexion

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