Photographer with a right shoulder injury (bursitis and tenosynovitis of the long head of the biceps) suspects it's caused by carrying and operating heavy camera equipment (2.5kg), but lacks confirmat

Photographer with a right shoulder injury (bursitis and tenosynovitis of the long head of the biceps) suspects it's caused by carrying and operating heavy camera equipment (2.5kg), but lacks confirmation and ergonomic guidance.