Strength Training Exercises Without Equipment

training exercises
(Training exercise) A military exercise (also called war game in American English) is the employment of military resources in training for military operations, either exploring the effects of warfare or testing strategies without actual combat.

equipment
The necessary items for a particular purpose
The act of equipping, or the state of being equipped, as for a voyage or expedition; Whatever is used in equipping; necessaries for an expedition or voyage; the collective designation for the articles comprising an outfit; equipage; as, a railroad equipment (locomotives, cars, etc.
A tool is a device that can be used to produce or achieve something, but that is not consumed in the process. Colloquially a tool can also be a procedure or process used for a specific purpose.
Mental resources
The process of supplying someone or something with such necessary items
an instrumentality needed for an undertaking or to perform a service

strength
The emotional or mental qualities necessary in dealing with situations or events that are distressing or difficult
The quality or state of being strong, in particular
the property of being physically or mentally strong; "fatigue sapped his strength"
military capability: capability in terms of personnel and materiel that affect the capacity to fight a war; "we faced an army of great strength"; "politicians have neglected our military posture"
Physical power and energy
force: physical energy or intensity; "he hit with all the force he could muster"; "it was destroyed by the strength of the gale"; "a government has not the vitality and forcefulness of a living man"