Sure, let's go through the process of finding each part of your Target Heart Rate Zone (THRZ) step-by-step.
First, we are given the ages and the corresponding Maximum Heart Rates (Max HR). From the table:
[tex]\[
\begin{array}{|c|c|c|c|c|c|c|c|}
\hline
\text{Age} & 12 & 13 & 14 & 15 & 16 & 17 & 18 \\
\hline
\text{Max HR} & 208 & 207 & 206 & 205 & 204 & 203 & 202 \\
\hline
\end{array}
\][/tex]
### Step 1: Calculate the Target Ceiling
The Target Ceiling is calculated as 90% of your Maximum Heart Rate (Max HR).
[tex]\[
\text{Target Ceiling} = 0.90 \times \text{Max HR}
\][/tex]
#### For each age:
- Age 12: [tex]\( 0.90 \times 208 = 187.2 \)[/tex]
- Age 13: [tex]\( 0.90 \times 207 = 186.3 \)[/tex]
- Age 14: [tex]\( 0.90 \times 206 = 185.4 \)[/tex]
- Age 15: [tex]\( 0.90 \times 205 = 184.5 \)[/tex]
- Age 16: [tex]\( 0.90 \times 204 = 183.6 \)[/tex]
- Age 17: [tex]\( 0.90 \times 203 = 182.7 \)[/tex]
- Age 18: [tex]\( 0.90 \times 202 = 181.8 \)[/tex]
### Step 2: Calculate the Threshold of Training
The Threshold of Training is calculated as 60% of your Maximum Heart Rate (Max HR).
[tex]\[
\text{Threshold of Training} = 0.60 \times \text{Max HR}
\][/tex]
#### For each age:
- Age 12: [tex]\( 0.60 \times 208 = 124.8 \)[/tex]
- Age 13: [tex]\( 0.60 \times 207 = 124.2 \)[/tex]
- Age 14: [tex]\( 0.60 \times 206 = 123.6 \)[/tex]
- Age 15: [tex]\( 0.60 \times 205 = 123 \)[/tex]
- Age 16: [tex]\( 0.60 \times 204 = 122.4 \)[/tex]
- Age 17: [tex]\( 0.60 \times 203 = 121.8 \)[/tex]
- Age 18: [tex]\( 0.60 \times 202 = 121.2 \)[/tex]
### Summary of Results
The results for the given ages are as follows:
[tex]\[
\begin{array}{|c|c|c|c|}
\hline
\text{Age} & \text{Max HR} & \text{Target Ceiling} & \text{Threshold of Training} \\
\hline
12 & 208 & 187.2 & 124.8 \\
13 & 207 & 186.3 & 124.2 \\
14 & 206 & 185.4 & 123.6 \\
15 & 205 & 184.5 & 123.0 \\
16 & 204 & 183.6 & 122.4 \\
17 & 203 & 182.7 & 121.8 \\
18 & 202 & 181.8 & 121.2 \\
\hline
\end{array}
\][/tex]
So, your Target Heart Rate Zone (THRZ) for each age is from the Threshold of Training to the Target Ceiling. For example, for a 12-year-old, the THRZ is from 124.8 bpm to 187.2 bpm. This zone represents the heart rate range in which physical training is effective and safe.
