list at least one piece of advice or point of emphasis for each exercise you would give to a client as if you were their personal trainer

. Barbell Biceps Curl -
• Hammer Curl -
• Lying Barbell Extension -
• Triceps Pushdown (machine) -
• Wrist Curl -
• Wrist Extension -
• Bent-knee Sit Up (lying on floor) -
• Abdominal Crunch (lying on floor) -
• Front Plank -
• Side Plank -
• Stability Ball Rollout -
• Stability Ball Pike -
• Stability Ball Jackknife -
• Abdominal Crunch (Machine) -
• Stability Ball Abdominal Crunch -
• Stability Ball Reverse Back Extension