Upper Extremity Freezing and Dyscoordination in Parkinson’s Disease: Effects of Amplitude and Cadence Manipulations

Table 2

Number of FO-UE episodes.

Condition	Group
	Healthy old; (𝑛=18)	PD-FOG; (𝑛=16)	PD + FOG; (𝑛=11)
Baseline
FO-UE	0 (0%)	4 (3.7%)	10 (11.0%)
𝑁	0	2	4
Fast
FO-UE	0 (0%)	5 (6.2%)	12 (21.8%)
𝑁	0	4	6
Small
FO-UE	0 (0%)	4 (3.7%)	8 (14.5%)
𝑁	2	5
SmallFast
FO-UE	1 (0.01%)	12 (11.2%)	6 (9.5%)
𝑁	1	6	3

Values are number of episodes of freezing per condition (percent of total trials with at least one episode in parentheses). 𝑁: total number of individuals experiencing ≥1 episode of FO-UE.
Abbreviations:
FO-UE: freezing of the upper extremity.
PD-FOG: Parkinson disease without freezing of gait.
PD + FOG: Parkinson disease with freezing of gait.