Prosthesis for a lower extremity and a connection device for such an extremity

A prosthesis for a lower extremity, the prosthesis comprising:

• a first prosthesis component;
• a second prosthesis component;
• at least one locking element to lock the first prosthesis component relative to the second prosthesis component;
• at least one holding device, by way of which the first prosthesis component is detachably held on the second prosthesis component, the at least one holding device having a first holding element arranged on the first prosthesis component, and a second holding element arranged on the second prosthesis component, the first holding element having a projection with a first bore, the second holding element having a base body with a second bore, the at least one locking element engaging the first and second bores to lock the first holding element to the second holding element.