| Artist | : | How to PROPERLY Perform Concentration Curls (For A Bigger Biceps Peak!) |
| Title | : | Gerardi Performance |
| Duration | : | 14 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | How to PROPERLY Perform Concentration Curls (For A Bigger Biceps Peak!) |
| Title | : | Gerardi Performance |
| Duration | : | 14 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |