Physical Examination of the Spine by Todd J. Albert Alexander R. Vaccaro

Author:Todd J. Albert,Alexander R. Vaccaro
Language: eng
Format: epub
Publisher: Thieme Medical Publishing Inc.
Published: 2017-04-09T04:00:00+00:00

Fig. 2.55 (a) Testing thumb adduction. (b) Muscle of thumb adduction: adductor pollicis.

Sensory C8

C8 provides sensation to the ulnar side of the distal forearm, the ring finger, and the little finger (Fig. 2.38).

T1

Motor T1

Motor function of T1 is best tested by finger abduction and adduction.

Little Finger Adduction

To test finger adduction, instruct the patient to abduct the little finger. Grasp the patient's wrist for support with the index finger of your other hand, and hook the patient's abducted little finger (Fig. 2.56). Further instruct the patient to adduct the little finger against the resistance.

• Primary adductor

− Palmar interossei: ulnar nerves C8, T1

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