Another study showed that more unstable suspension devices like TRX cause further activation of the triceps, traps, quadriceps, and lumbar. Lifting weights isn’t the only way to develop muscle.

Triceps Pressdown Triceps press downs are a popular ... Lower slowly for 3 to 4 sets of 12 to 15 reps. With TRX bands, grip the handles and extend your arms while leaning forward.

However, if you want to kick it up a notch and add more intensity, then Saib says to try the same exercise via a form of suspicion training called TRX (Total Body Resistance Exercise). 2.