Warm-up Weight Formula:
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Definition: This calculator determines the appropriate warm-up weight for children based on their one-rep maximum (1RM) and desired percentage.
Purpose: It helps young athletes and their coaches determine safe warm-up weights for strength training sessions.
The calculator uses the formula:
Where:
Explanation: The one-rep max is multiplied by the percentage (converted from percentage to decimal) to get the warm-up weight.
Details: Correct warm-up weights help prevent injuries, prepare muscles for heavier lifts, and build confidence in young athletes.
Tips: Enter the percentage of 1RM (typically 40-60% for warm-ups) and the child's one-rep max weight. All values must be > 0.
Q1: What percentage should kids use for warm-ups?
A: Typically 40-60% of 1RM, starting lighter for beginners and increasing as they gain experience.
Q2: How do I determine a child's 1RM safely?
A: Use submaximal testing with a coach, or estimate from multiple-rep sets using our 1RM calculator.
Q3: How many warm-up sets should kids do?
A: Usually 2-3 sets with progressively heavier weights before working sets.
Q4: Is strength training safe for children?
A: Yes, when properly supervised and using appropriate weights and technique.
Q5: Should warm-up weights increase over time?
A: Yes, as the child's strength improves, both 1RM and warm-up weights should be adjusted accordingly.