Heyy guys when ever i just like chug power chords or the open E my arm builds up tension. Is this me just being piss weak and having weak arms or just flawed technique. Am also PM it
Sounds like you're tensing up, you need to relax more
ProTone Pedals: Attack Overdrive
Fractal Audio: AxeFX 2
Engl: Fireball 60
Zilla: Fatboy 2x12
Carvin: DC700
Carvin: Vader 7
Schecter: KM-7 MKii
Schecter: Banshee 8 Passive
Jackson: DK2M
You may hold the pick in the wrong way, as I did.

Can you post a picture about how you hold the pick.