Regulations for the Navy Part IIICentral Regulations · 1957
(1) Physical training shall be carried out by all except those who are exempted by the competent authority on grounds of age or physical unfitness. It shall be conducted in accordance with the instructions set forth in the Handbooks of Physical Training in force, by a Physical Training Instructor under the supervision of an officer, who shall be selected by the Captain.
(2) Captains shall hold Divisional Officers and Petty Officers responsible for the physical efficiency and smartness of the men of their divisions. All officers shall make themselves familiar with the system of physical training laid down in the Hankbooks.