
Tone
Strength grading
0 - no activation 1 - activation of muscle is felt 2 - moves in plane of bed 3 - antigravity but is overcome on confrontation 4 - can move against resistance but not full strength 5 - normal
Clonus



Sterile materials (upper left): (a) Local anesthetic (b) Syringe for application of local anesthetic (c) and (d) Syringe and needles for superficial and deep application of local anesthetic (e) Gauze (f) CSF collection tubes (4) (g) Forceps (h) Sterile gloves (i) Antiseptic (j) Spinal needle
Nonsterile materials (lower left): (k) Surgical mask