That’s going to be tough brother. And i’m sorry to whoever that happened to whether it’s a relative or friend of yours or just a random person, that really is horrible, wouldn’t wish that upon anyone.
I would have to say if your able to get him off the chair maybe try a shoulder press machine, some seated curls, seated lateral raises, skull crushers, face pulls in the chair. maybe even some chest work on a smith machine. I’d recommend you’d definitely speak to someone that’s experienced with training people who are physically disabled like this that could lay out a workout plan for him brother.
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