6.1: The origin is on the clavicle and the insertion is on the radius.
6.2: A third class lever.
6.3: It is in the leg, next to the femur, and its belly has two heads.
6.4: Supinates the forearm.
6.5: This muscle flexes the digits (fingers) and it is located towards the surface of the limb, above the other forearm muscles.