Page 146 - Edited - Webster HEAD AND NECK - part 2-Merge PDF

HN 334

TENDON JERKS AND LIMB MOVEMENTS

1

Tendon jerks
2 1. Supinator/brachioradialis jerk: C6
2. Triceps jerk: C7,8
3. Ankle jerk: S1,2
4. Biceps jerk: C5,6
5. Knee jerk: L3,4
A
For “jaw jerk”
see Fig. 20A.

B

C
3 G D E F

H I 4
Limb movements
A. Hip extension: L5,Sl J
B. Knee flexion: L5,Sl
C. Ankle - plantar flexion of foot: Sl,2
D. Wrist flexion: C8 K
E. Elbow flexion: C5,6
F. Shoulder abduction: C5
G. Fingers - intrinsic muscles; abduction/adduction/opposition: Tl
H. Wrist extension: C7
I. Elbow extension: C7,8
J. [Diaphragm movements: C(3),4,(5)]
K. Hip flexion: Ll,2
L. Knee extension: L3,4
M. Ankle - dorsiflexion of foot L4, 5 5 L

Plantar responses:
Sensory - dermatomes L5, Sl M
Motor - (i) normal Sl, 2
Motor - (ii) Babinski L4, 5
(These values are NOT important:
the test primarily distinguishes
the test primarily distinguishes
"normal" from "Babinski" -
See Vol. I, pp. 167-168; Vol. III, p.22)