| muscle: | Biceps |
|---|---|
| auxiliary muscles: | Hand Flexors |
| required: | Towel, Seat |
| level: | Easy |
| type: | Strength - isometric |
Variations Of Concentration Curl
| muscle: | Biceps, Triceps |
|---|---|
| auxiliary muscles: | Hand Extensors, Hand Flexors |
| required: | Towel |
| level: | Easy |
| type: | Strength |
| muscle: | Biceps |
|---|---|
| auxiliary muscles: | Hand Flexors |
| required: | Dumbbells (2) |
| level: | Normal |
| type: | Strength |










