| A | MusclesArranged By [Strings] – William F. Reichenbach*Producer – Michael Jackson |
6:38 |
| B | I Am MeArranged By – Ray ChewProducer – Diana Ross |
3:50 |
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 1C 006-86 609 | Diana Ross | Muscles (7", Single) | Capitol Records, Silk Electric, EMI Electrola | 1C 006-86 609 | Europe | 1982 |
| PB-13348 | Diana Ross | Muscles (7") | RCA | PB-13348 | Canada | 1982 |
| 8728 | Diana Ross | Fibra (7", Single) | Capitol Records | 8728 | Mexico | 1982 |
| 10C 006-086609 | Diana Ross | Muscles = Músculos (7", Single, Promo) | EMI | 10C 006-086609 | Spain | 1982 |
| 3C 006-86609 | Diana Ross | Muscles (7") | Silk Electric, Capitol Records | 3C 006-86609 | Italy | 1982 |