Direct answer: When the quadriceps does not appear to grow, review the regularity of the program, execution, effort and recovery conditions. Photos and measures need standardized comparison. Adding exercises without understanding the limitation can increase tiredness and maintain the same problem.
Check for observable progression
Write down repetitions and loads using the same machine and adjust. Evaluate a sufficient period to see trends. A record shows whether you train regularly or change exercises before having references. Visual growth and increased strength do not happen at the same speed for all.
Watch how the sets ends
Balance, lack of support or fatigue from another group may close a sets before the quadriceps receives the desired work. Send video to the coach and describe the difficulty. The choice of a more stable option may be useful when the limitation is not the effort of the thigh.
Review volume and feed
The week may have little targeted work or a quantity that you do not recover. The adjustment should consider response, time and other activities. If the nutrition does not follow the goal, discuss this with the nutritionist; the coach should not conclude that lack of training using only the measurement of the thigh.
What to record and discuss
- Compare records of the same equipment.
- Send a sets showing complete execution.
- Describe recovery and actual frequency of the last period.
Questions about this topic
Should I double the sets?
Does larger thigh mean just more muscle?
References and further reading
Educational content. Examples need adaptation to your experience, routine and health context.