Symptom Information: Sort according to HPO 

1
(HPO:0002486) Myotonia Very frequent [Orphanet] 29 / 7739
2
(HPO:0003457) EMG abnormality Very frequent [Orphanet] 78 / 7739
3
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739
4
(HPO:0003326) Myalgia Rare [HPO:probinson] 143 / 7739
5
(HPO:0003552) Muscle stiffness 7/9 [HPO:probinson] 23 / 7739
6
(HPO:0003712) Skeletal muscle hypertrophy 7/9 [HPO:probinson] 42 / 7739
7
(HPO:0003730) EMG: myotonic runs 2 / 7739
8
(HPO:0003740) Myotonia with warm-up phenomenon 9/9 [HPO:probinson] 2 / 7739
9
(HPO:0003812) Phenotypic variability 129 / 7739
10
(HPO:0010548) Percussion myotonia 4/9 [HPO:probinson] 5 / 7739
11
(HPO:0012899) Handgrip myotonia 2 / 7739