biceps : is a name of muscle in our body , and it is can be found in the arm and in the thigh :
Biceps brachii : located at the arm , its origin is from the scapula bone from : supraglinoid tubercle (long head ) and coracoid process (short head ) , and inserts in the tuberosity of the radius bone . This muscle flexes the arm and forearm .
Biceps femoris : located at the thigh , its origin is from the ischial tuberosity of the pelvic bone and from the linea aspera of the feumur bone , and inserts in the head of the fibula bone and lateral epicondyle of the tibia bone . This muscle flexes the leg at the knee joint ant extends and laterally rotates thigh at hip joint .