Final answer:
A client is most likely to achieve strength endurance goals during resistance training by performing anaerobic exercises such as weight training or sprinting.
Step-by-step explanation:
During resistance training, a client is most likely to achieve strength endurance goals when performing anaerobic exercises such as weight training or sprinting. Anaerobic exercises focus on increasing muscle strength and involve working the muscles against resistance. These exercises are characterized by short bursts of intense activity and can help improve muscular endurance and overall fitness.