Physical training instructor

Physical Training Instructor (PTI) is a term used primarily in the British Armed Forces and British police, as well as some other Commonwealth countries, for an instructor in physical fitness.

United Kingdom
In the British Army, the specialist instructors of the Royal Army Physical Training Corps oversee physical training and manage military gymnasiums and are attached to individual units. They are assisted by All Arm Physical Training Instructors (AAPTIs), previously known as Assistant Physical Training Instructors (APTIs), who are qualified, but are not specialists, have other jobs within the unit, and are not drawn from the RAPTC. The PTI badge consists of crossed swords.

Physical training instructors in the Royal Navy are officially titled Physical Trainers and are known as "club swingers" or "clubs" from the crossed clubs they wear as a rate badge. In the Royal Air Force, the PTI badge consists of crossed swords with an eagle in the centre.

New Zealand
The New Zealand Defence Force also employs Physical Training Instructors, who bear the same symbols as their British counterparts. The New Zealand Army Physical Training Corps (NZAPTC) wear the crossed swords, the Royal New Zealand Navy wear the crossed clubs, and the Royal New Zealand Air Force (RNZAF) wear the clubs and arms. In January 2010, the RNZAF amalgamated the Physical Training Instructor trade with the Air Security trade and renamed it Force Protection. Force Protection personnel specialise in one of three areas: Ground Defence, Security and Investigations, or Physical Training. Physical Training qualified personnel are classified as Force Protection Physical Training Specialists (FP(PT)). The NZ Army and RNZN PTIs remain in their traditional name and structure.

RNZAF PTIs utilise the motto Mens Sana In Corpore Sano, which roughly translates as "a healthy mind in a healthy body".