The TRX Prone Pike exercise is similar to the TRX Suspended Jackknife, only this time, you are performing a pike, as opposed to a tuck, which greatly increases the difficulty of this movement. Again, this is a great core activator, but if you are somewhat weak, it can target the hip flexors too much
TRX inverted rows are a great way to build up your back strength by first mastering your own bodyweight. They can be used as a stepping stone to chin ups and pull ups. Using a TRX rather than a barbell to perform inverted rows places constant pressure on your back muscles.
The TRX Tricep Extension is similar to the Skull Crusher the only difference is that your body is the weight rather than a barbell. This is one of the best tricep exercises you can do on the TRX as it can be used to work all three heads of the Trciecp by changing the position of your elbows.