This study will follow participants who are screened and confirmed with a genetic diagnosis of Limb-girdle muscular dystrophy type 2E (LGMD2E/R4), Limb-girdle muscular dystrophy type 2D (LGMD2D/R3), Limb-girdle muscular dystrophy type 2C (LGMD2C/R5), or Limb-girdle muscular dystrophy type 2A (LGMD2A/R1).

These enrolled participants will be followed to evaluate mobility and pulmonary function for up to 5 years after enrollment for participants with LGMD2C/R5, LGMD2D/R3, and LGMD2E/R4 with a North Star Assessment for Dysferlinopathy (NSAD) ≥ 25 at Baseline, up to 3 years for participants with LGMD2C/R5, LGMD2D/R3, and LGMD2E/R4 with a NSAD < 25 at Baseline, and up to 3 years for participants with LGMD2A/R1. Additional participant data will be collected from the time the individual began experiencing LGMD symptoms to the present.

LGMD Type 2A, 2C, and 2D cohorts are now closed. Enrollment in the LGMD Type 2E cohort is closed and participants will be followed for up to five years.

Inclusion Criteria:

• Male or female participant ≥ 4 years of age who demonstrate symptoms of LGMD2E/R4, LGMD2D/R3, LGMD2C/R5, or LGMD2A/R1 in the opinion of the investigator (eg, muscle weakness, loss of function, delayed milestones).
• Confirmed clinical and genetic diagnosis of LGMD2E/R4, LGMD2D/R3, LGMD2C/R5, or LGMD2A/R1.

Exclusion Criteria:

• Demonstrates cognitive delay or impairment that could confound motor development, in the opinion of the Investigator.
• Has a medical condition, in the opinion of the Investigator, that might compromise participants ability to comply with study requirements.
• Is participating in other interventional study(ies) at the time of enrollment in this study.

The population for this study is ambulatory or non-ambulatory participants ≥ 4 years of age with confirmed genetic diagnosis of LGMD2E/R4, LGMD2D/R3, LGMD2C/R5, or LGMD2A/R1.