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Table 1 Clinical features of the patients

From: Clinical features and genotypes of Laing distal myopathy in a group of Chinese patients, with in-frame deletions of MYH7 as common mutations

No Sex/age Age of onset Muscle strength* Deep tendon reflexes Skeletal deformities Cardiac abnormalities Respiratory abnormalities CK U/L EMG
Neck flexion Proximal limb Distal limb
A II-6 F/48 28 2 Upper: 4
Lower: 4-
Finger extension: 4-
Ankle dorsiflexion: 0
Ankle plantarflexion: 3 + 
Absent Contracture of Achilles tendon, winging scapula - Sleep apnea Normal Myogenic
A III-1 M/13 8 4 +  Upper: 5
Lower: 4 + 
Finger extension: 5
Ankle dorsiflexion: 4
Ankle plantarflexion: 5
Brisk Contracture of Achilles tendon - - Normal N.A
B II-2 F/45 30 4 Upper: 5
Lower: 5
Finger extension: 4
Ankle dorsiflexion: 4
Ankle plantarflexion: 5
Brisk - - - Normal Myogenic
B III-1 F/20 3 4 +  Upper: 5
Lower: 5
Finger extension: 3
Ankle dorsiflexion: 4-
Ankle plantarflexion: 5
Brisk Scoliosis, pes cavus - - 917 Neurogenic
C III-1 M/20 7 4 Upper: 4
Lower: 5
Finger extension: 4
Ankle dorsiflexion: 4-
Ankle plantarflexion: 5
Absent Contracture of Achilles tendon, scoliosis, winging scapula, strephenopodia - Sleep apnea Normal Neurogenic
D II-2 F/29 2 5 Upper: 0 (left)/ 5 (right)
Lower: 4 + 
Finger extension: 0
Ankle dorsiflexion: 0
Ankle plantarflexion: 5
Brisk - - - Normal Myogenic
  1. *All muscles strengths were evaluated with MRC scales