Building impressive arms requires more than just lifting weights. Many lifters unknowingly make crucial mistakes that limit their biceps and triceps development. If you want stronger, bigger arms, you need to train smart.
This article highlights five of the most common arm training mistakes and provides science-backed solutions to help you maximise your gains.
1. Ignoring Progressive Overload
Progressive overload is the foundation of muscle growth. It refers to the gradual increase of stress placed on the muscles over time, forcing them to adapt and grow stronger (Schoenfeld, 2010). Many lifters fail to apply progressive overload to their arm training, either by lifting the same weights repeatedly or not challenging their muscles with increased reps, sets or intensity.
Solution: Increase Volume and Intensity Gradually
A study by Rhea et al. (2003) found that trained individuals benefit from increasing resistance by 2-10% per week, depending on their experience level. For biceps and triceps growth, aim to either increase the weight you lift, add more reps, or reduce rest periods between sets to continuously challenge your muscles.
2. Using Poor Form and Momentum
Swinging weights and relying on momentum to complete reps is one of the biggest mistakes in arm training. This reduces muscle activation and shifts the load away from the targeted muscles (Newton et al., 1997). Cheating through reps limits muscle tension and reduces time under tension, both of which are crucial for hypertrophy (Schoenfeld et al., 2015).
Solution: Slow Down and Focus on Form
To maximise arm growth, control each rep. Research by McMahon et al. (2014) suggests that slowing down the eccentric (lowering) phase of a lift increases muscle activation and leads to greater gains. Aim for a tempo of 2-3 seconds on the eccentric phase and 1-2 seconds on the concentric phase.
3. Overtraining or Undertraining Arms
Both overtraining and undertraining can hinder arm growth. Overtraining occurs when there is excessive volume without adequate recovery, leading to stagnation or even muscle loss (Kreher & Schwartz, 2012). On the other hand, undertraining—failing to provide enough stimulus—prevents muscle hypertrophy (Wernbom et al., 2007).
Solution: Find the Right Training Frequency
Scientific evidence suggests that training a muscle group 2-3 times per week is optimal for hypertrophy (Schoenfeld et al., 2016). Instead of dedicating an entire day to arms, incorporate biceps and triceps exercises into upper-body training sessions throughout the week.
4. Neglecting Compound Movements
Many lifters rely too heavily on isolation exercises like bicep curls and triceps extensions, neglecting compound movements that build overall arm strength and size. Compound lifts such as pull-ups, dips, and close-grip bench presses engage multiple muscle groups, leading to more significant hypertrophy (Gentil et al., 2015).
Solution: Prioritise Compound Lifts
Research by Stastny et al. (2017) shows that multi-joint exercises lead to greater muscle activation and hypertrophy than isolation exercises alone. Incorporate movements like weighted chin-ups, close-grip bench presses, and dips to maximise arm development.
5. Not Training Arms Through a Full Range of Motion
Partial reps limit muscle activation and prevent full hypertrophy potential (Bloomquist et al., 2013). Many lifters fail to extend their arms fully at the bottom of a bicep curl or do not lock out during triceps movements, reducing the effectiveness of their training.
Solution: Use a Full Range of Motion
Studies indicate that training through a full range of motion leads to greater muscle hypertrophy compared to partial reps (McMahon et al., 2014). Ensure that each rep is performed with full extension and contraction to fully stimulate the muscle fibres.
Key Takeaways
| Mistake | Solution |
|---|---|
| Ignoring progressive overload | Gradually increase weight, reps, or intensity |
| Using poor form and momentum | Control reps with a focus on eccentric phase |
| Overtraining or undertraining | Train arms 2-3 times per week for optimal results |
| Neglecting compound movements | Incorporate pull-ups, dips, and close-grip bench presses |
| Not training through full ROM | Perform each rep with complete extension and contraction |
References
- Bloomquist, K., et al. (2013). ‘Effects of range of motion on muscle development during resistance training interventions: A systematic review’. Journal of Strength and Conditioning Research, 27(8), pp. 2280-2293.
- Gentil, P., et al. (2015). ‘Resistance training for muscle hypertrophy: How many sets and reps to maximize results?’. Journal of Sports Science & Medicine, 14(4), pp. 715-722.
- Kreher, J. B., & Schwartz, J. B. (2012). ‘Overtraining syndrome: A practical guide’. Sports Health, 4(2), pp. 128-138.
- McMahon, G. E., et al. (2014). ‘Impact of range of motion during resistance training on muscle hypertrophy’. Journal of Strength and Conditioning Research, 28(10), pp. 2681-2688.
- Newton, R. U., et al. (1997). ‘Influence of load and stretch shortening cycle on the kinematics, kinetics and muscle activation that occurs during explosive upper-body movements’. European Journal of Applied Physiology and Occupational Physiology, 75(4), pp. 333-342.
- Rhea, M. R., et al. (2003). ‘Progressive overload and resistance training: a meta-analysis’. Journal of Strength and Conditioning Research, 17(1), pp. 82-87.
- Schoenfeld, B. J. (2010). ‘The mechanisms of muscle hypertrophy and their application to resistance training’. Journal of Strength and Conditioning Research, 24(10), pp. 2857-2872.
- Schoenfeld, B. J., et al. (2015). ‘Effects of different volume-equated resistance training loading strategies on muscular adaptations in well-trained men’. Journal of Strength and Conditioning Research, 29(10), pp. 2954-2963.
- Schoenfeld, B. J., et al. (2016). ‘Effects of resistance training frequency on muscle hypertrophy: A systematic review and meta-analysis’. Sports Medicine, 46(11), pp. 1689-1697.
- Stastny, P., et al. (2017). ‘Does strength training improve sports performance? A review’. Journal of Human Kinetics, 58(1), pp. 149-162.
- Wernbom, M., et al. (2007). ‘The influence of frequency, intensity, volume and mode of strength training on whole muscle cross-sectional area in humans’. Sports Medicine, 37(3), pp. 225-264.
