Symptom Information: Sort according to HPO 

1
(HPO:0001387) Joint stiffness Frequent [Orphanet] 322 / 7739
2
(HPO:0003202) Skeletal muscle atrophy Frequent [Orphanet] 281 / 7739
3
(HPO:0003700) Generalized amyotrophy 39 / 7739
4
(HPO:0001508) Failure to thrive 454 / 7739
5
(HPO:0003198) Myopathy Frequent [Orphanet] 151 / 7739
6
(HPO:0001252) Muscular hypotonia Very frequent [Orphanet] 990 / 7739
7
(HPO:0001324) Muscle weakness Very frequent [Orphanet] 859 / 7739
8
(HPO:0002093) Respiratory insufficiency Frequent [Orphanet] 410 / 7739
9
(HPO:0000464) Abnormality of the neck Very frequent [Orphanet] 31 / 7739
10
(HPO:0000774) Narrow chest Occasional [Orphanet] 167 / 7739
11
(HPO:0011675) Arrhythmia Occasional [Orphanet] 226 / 7739
12
(HPO:0004326) Cachexia Occasional [Orphanet] 71 / 7739
13
(HPO:0001371) Flexion contracture 220 / 7739
14
(HPO:0003394) Muscle cramps Frequent [Orphanet] 106 / 7739
15
(HPO:0001557) Prenatal movement abnormality Occasional [Orphanet] 16 / 7739
16
(HPO:0001558) Decreased fetal movement 74 / 7739
17
(HPO:0003028) Abnormality of the ankles Occasional [Orphanet] 14 / 7739
18
(HPO:0001288) Gait disturbance Frequent [Orphanet] 318 / 7739
19
(HPO:0003307) Hyperlordosis Frequent [Orphanet] 122 / 7739
20
(HPO:0001635) Congestive heart failure Occasional [Orphanet] 232 / 7739
21
(HPO:0003306) Spinal rigidity Frequent [Orphanet] 30 / 7739
22
(HPO:0003457) EMG abnormality Frequent [Orphanet] 78 / 7739
23
(HPO:0001382) Joint hypermobility Occasional [Orphanet] 231 / 7739
24
(HPO:0003236) Elevated serum creatine phosphokinase 214 / 7739
25
(HPO:0001270) Motor delay 322 / 7739
26
(HPO:0000467) Neck muscle weakness 29 / 7739
27
(HPO:0001883) Talipes 12 / 7739
28
(HPO:0002747) Respiratory insufficiency due to muscle weakness 48 / 7739
29
(HPO:0004325) Decreased body weight Occasional [Orphanet] 492 / 7739
30
(HPO:0006829) Severe muscular hypotonia 29 / 7739
31
(OMIM) Floppy neck 1 / 7739
32
(OMIM) Loss of head control 1 / 7739
33
(OMIM) Conduction abnormalities 2 / 7739
34
(OMIM) Stiff spine 2 / 7739
35
(OMIM) Elbow laxity 1 / 7739
36
(OMIM) Muscle weakness, severe, proximal and distal 1 / 7739
37
(OMIM) Axial weakness 1 / 7739
38
(OMIM) Head drop due to neck muscle weakness 1 / 7739
39
(OMIM) Dystrophic features and atrophic fibers seen on muscle biopsy 1 / 7739
40
(OMIM) Variability in fiber size 1 / 7739
41
(HPO:0012758) Neurodevelopmental delay Frequent [Orphanet] 949 / 7739
42
(HPO:0001522) Death in infancy Occasional [Orphanet] 275 / 7739
43
(HPO:0030089) Abnormal muscle fiber protein expression Very frequent [Orphanet] 64 / 7739
44
(HPO:0011442) Abnormality of central motor function Frequent [Orphanet] 76 / 7739
45
(HPO:0100543) Cognitive impairment Frequent [Orphanet] 230 / 7739
46
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739
47
(HPO:0003676) Progressive disorder 148 / 7739
48
(HPO:0003741) Congenital muscular dystrophy 22 / 7739
49
(HPO:0003828) Variable expressivity 130 / 7739