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. 2021 Dec;11(6):e817–e825. doi: 10.1212/CPJ.0000000000001100

Figure 2. Spirals Demonstrating Kinetic Tremor.

Figure 2

(A) Kinetic tremor rating = 2 on drawing a spiral with the left hand (family 1, person 1). (B) Kinetic tremor rating = 2 on drawing a spiral with the right hand (family 1, person 5). (C) Kinetic tremor rating = 2 on drawing a spiral with the right hand (family 1, person 6). (D) Kinetic tremor rating = 2 on drawing a spiral with the left hand (family 1, person 3). (E) Kinetic tremor rating = 3 on drawing a spiral with the right hand (family 2, person 1). (F) Kinetic tremor rating = 2 on drawing a spiral with the right hand (family 2, person 2). (G) Kinetic tremor rating = 2 on drawing a spiral with the left hand (family 2, person 6). (H) Kinetic tremor rating = 1.5–2 on drawing a spiral with the left hand (family 3, person 1). (I) Kinetic tremor rating = 1.5 while drawing a spiral with the left hand (family 3, person 3). (J) Kinetic tremor rating = 2 while drawing a spiral with the right hand (family 4, person 1). (K) Kinetic tremor rating = 1–1.5 while drawing a spiral with the left hand (family 4, person 2). (L) Kinetic tremor rating = 1.5 while drawing a spiral with the left hand (family 4, person 4). (M) Kinetic tremor rating = 2 while drawing a spiral with the right hand. Micrographia is also noticeable (family 4, person 3).