Weight Lifting Exercise: Bench Press To Add Muscle Mass & Reduce Skinny Fat
Muscles Focus (1, 2, 3, 4): chest/pectoralis major and minor, arms/triceps, shoulders/deltoids
*Add muscle mass and build strength with evolving weight while increasing muscle endurance (tone) with less weight and more reps
*You can only maintain and tone muscles you already have (genetically and/or added via resistance/exercise)

*Here are more weight lifting exercises that add muscle mass to reduce skinny fat (lack of genetic muscle tissue)
References
- Healthline: What Muscles Do Bench Presses Work?, May 24, 2023, Jane Chertoff (Medically reviewed by Jennifer Mathe, MS, CSCS, NATA-BOC). https://www.healthline.com/health/exercise-fitness/bench-press-muscles-worked
- Fitness Programer: Bench Press – Exercise, Chest. https://fitnessprogramer.com/exercise/bench-press/
- Wikipedia: Bench press. https://en.wikipedia.org/wiki/Bench_press
- Training Fit: Bench Press – Compound exercise, Free weights. https://training.fit/exercise/benchpress/