The best way to gain size, mass, or strength depends on your specific goals and individual preferences. However, here are some general strategies to consider:

1. Progressive overload: Focus on gradually increasing the demands placed on your muscles over time. This can be achieved by increasing the weight lifted, the number of repetitions, or the intensity of your workouts. Progressive overload stimulates muscle growth and strength gains.

1. Resistance training: Incorporate a structured and well-rounded resistance training program into your routine. This can include exercises that target all major muscle groups, such as squats, deadlifts, bench presses, rows, and overhead presses. Aim for a combination of compound exercises (multi-joint movements) and isolation exercises (single-joint movements) to maximize muscle growth and strength.

1. Proper nutrition: Ensure you’re providing your body with adequate nutrition to support muscle growth and recovery. Consume a well-balanced diet that includes sufficient protein, carbohydrates, and healthy fats. Protein is particularly important for muscle repair and growth, so aim for a protein intake of around 0.8-1 gram per pound of body weight.

1. Sufficient calorie intake: To support muscle growth, you need to consume enough calories to create a surplus. This means consuming more calories than your body burns. It’s important to strike a balance and avoid excessive calorie intake that leads to excessive fat gain. Aim for a modest calorie surplus of around 250-500 calories per day.

1. Proper rest and recovery: Allow your muscles time to recover and adapt to the stress of training. This includes getting enough sleep (7-9 hours per night), taking rest days, and managing stress levels. Recovery is crucial for muscle growth and overall performance.

1. Consistency and patience: Building size, mass, and strength is a gradual process that requires consistency and patience. Stick to your training program and nutrition plan consistently over time, and understand that results take time to manifest.

1. Consult with a professional: Consider working with a qualified personal trainer or strength coach who can guide you through a tailored training program and provide guidance on proper technique, programming, and progression.

Remember, everyone’s body is unique, and what works for one person may not work the same way for another. It’s essential to listen to your body, track your progress, and make adjustments as needed.