Calculation and Optimization Method of College Football Players in Physical Education

Figure 1.

Figure 2.

Figure 3.

The maximum heart rate of the trial mobilization

Code	Max HR	Code	Max HR
A	201	F	215
B	198	G	197
C	202	H	216
D	195	I	203
E	204	J	198

Rating of Perceived Exertion Rank

Rating	Descriptor	Rating	Descriptor
0	Rest	6	Very hard
1	Very, very easy	7
2	Easy	8
3	Moderate	9
4	Somewhat hard	10	Maxima
5	Hard	-

Training course heart rate and motion intensity

Week	Average HR (bpm)	Max HR (bpm)	Mean intensity (%)	Max intensity (%)
Week1	144.2	177.4	73.28	89.24
Week2	151.3	175.2	72.05	89.58
Week3	146.1	182.5	77.32	89.02
Week4	158.4	182.8	77.48	89.66
Week5	154.5	191.3	75.55	89.07
Week6	144.7	190.2	74.88	89.79
Week7	149.6	174.5	70.17	82.03
Week8	144.9	175.2	70.36	83.61
Week9	145.3	189.2	74.54	88.37
Week10	152.6	174.8	79.99	86.07
Week11	148.8	180.7	73.56	88.17
Week12	152.1	189.1	75.57	88.08
Week13	156.4	191.9	76.15	87.95
Week14	146.5	191.4	77.41	85.67

Test results of maximum oxygen uptake

Index	Stage	Before	After	Change	T	P
Absolute value (L·min)	Stage1	1.81±0.24	1.93±0.38	6.63%	-0.814	0.172
	Stage2	1.93±0.49	2.25±0.64*	16.58%	-3.247	0.023
	Stage3	2.26±0.37	2.53±0.43**	11.95%	-5.195	0.001
Relative value (L·min)	Stage1	22.12±4.27	26.28±3.95**	18.81%	-6.032	0.005
	Stage2	26.26±3.74	28.95±3.61**	10.24%	-5.358	0.000
	Stage3	28.94±2.98	32.42±1.87**	12.03%	-4.926	0.004

External load of different position athletes

Position		Running distance	Sprint run	High-speed run
Striker	Vanguard	0.055	0.015*	0.072
	Centre-Vanguard	0.001**	0.073	0.043*
	Side-Fullback	0.014*	0.003**	0.015*
	Centre-Fullback	0.005**	0.000**	0.012*
Vanguard	Striker	0.057	0.015*	0.053
	Centre-Vanguard	0.104	0.442	0.904
	Side-Fullback	0.512	0.361	0.556
	Centre-Fullback	0.351	0.289	0.518
Centre-Vanguard	Striker	0.003**	0.075	0.042*
	Vanguard	0.103	0.414	0.915
	Side-Fullback	0.315	0.106	0.631
	Centre-Fullback	0.457	0.078	0.058
Side-Fullback	Striker	0.016*	0.000**	0.014*
	Vanguard	0.513	0.631	0.552
	Centre-Vanguard	0.328	0.107	0.631
	Centre-Fullback	0.795	0.824	0.953
Centre-Fullback	Striker	0.009**	0.000**	0.015*
	Vanguard	0.351	0.231	0.552
	Centre-Vanguard	0.452	0.076	0.631
	Side-Fullback	0.789	0.845	0.951

Different heart rate intervals TRIMP in different topic training courses

Train	Interval 1	Interval 2	Interval 3	Interval 4	Total
AC	18.24±2.78	83.54±4.67	63.24±5.15	5.16±2.47	170.18±9.48
SF	18.01±4.27	93.42±3.15	57.21±3.78	13.27±3.15	181.91±5.73
PMA	30.15±3.94	84.27±5.06	47.23±3.54	2.08±0.76	163.73±9.69
PMR	20.53±2.85	79.62±7.57	53.26±1.67	3.65±1.57	157.06±6.14

TRIMP difference comparison results

-		Interval 1	Interval 2	Interval 3	Interval 4	Total
AC	SF	0.041*	0.082	0.003**	0.002**	0.000**
	PMA	0.004**	0.001**	0.000**	0.015*	0.001**
	PMR	0.059	0.003**	0.642	0.263	0.003**
SF	AC	0.045*	0.082	0.000**	0.002**	0.002**
	PMA	0.001**	0.000**	0.000**	0.000**	0.001**
	PMR	0.002**	0.001**	0.001**	0.001**	0.000**
PMA	AC	0.002**	0.002**	0.000**	0.035*	0.001**
	SF	0.001**	0.001**	0.002**	0.001**	0.002**
	PMR	0.035*	0.041*	0.001**	0.193	0.015*
PMR	AC	0.071	0.001**	0.615	0.291	0.000**
	SF	0.002*	0.009**	0.001**	0.003**	0.001**
	PMA	0.015*	0.038*	0.002**	0.193	0.023*

Speed interval division standard

Speed level	Speed (km/h)	Speed (m/s)	Name
I	0<v≤10	0<v≤3.05	Jogging
II	10<v≤15	3.05<v≤3.94	Slow running
III	15<v≤18	3.94<v≤4.75	Medium run
IV	18<v≤22	4.75<v≤5.91	Run fast
V	22<v≤25	5.91<v≤6.73	High-speed run
VI	v>25	v>6.73	Sprint run

Player load statistics

Position	Stage 1	Stage 2	Stage 3
Striker	283.9	249.5	262.7
Vanguard	207.8	193.6	216.8
Centre-Vanguard	235.7	225.7	263.5
Side-Fullback	203.4	193.8	209.4
Centre-Fullback	246.5	190.4	243.1
Means	235.5	210.6	239.1