Biceps: Physio Ball

Incline Curls 

Start: Roll down onto ball with pelvis close to floor and upper shoulder blades rested on ball, arms extended palms up and back of arms in contact with ball

Finish: Curl dumbells up while keeping back of arms in contact with pad

Preacher curls

Start: Armpit rested on ball with palm up, kneeling on one or two knees

 Finish: Curl palm up while keeping armpit rested on ball