| The athletes of Tianjin badminton team are young,and their development potential has been paid much attention to.This paper will test and analyze the special physical condition of the athletes of Tianjin badminton team,and find out the advantages and disadvantages of their special physical characteristics,so as to provide reference for the special physical training in the future.This paper takes the special physical characteristics of men badminton athletes of Tianjin badminton team as the research object.First of all,through reading a lot of literature the author designed specific physical assessment primary indicators.Secondly,after interviews and expert questionnaires,the primary indicators were further screened to determine the specific physical characteristics of the indicators and indicators weight.Then,the check index was tested,and the principal component analysis method was used to select the index.Then the percentile method was used to construct the special physical ability evaluation system and verify its application.Finally,the radar map method was used to analyze the specific physical characteristics of the athletes.The results showed that:1.Tianjin youth men’s badminton athletes special physical characteristic evaluation index for Mr Index,body fat %,upper arm circumference,than the ankle circumference,refers to the spacing,height and the corners of a low center of gravity to run,low center of gravity corners run ten times in succession,crook proneness,1 min for changing the abdominal wall to hit the ball,bridge,upper anaerobic power,upper 30 seconds on average 30 seconds anaerobic power peak,vo2 Max absolute value,lower limb anaerobic power peak 30 seconds.2.Special physical ability evaluation model = 3.99 + 3.26 x x refers to the gap height difference body fat % + 2.25 + 3.26 x g,Mr Index x upper arm circumference is poor than ankle circumference + 12.65 + 2.25 x x 1 low center of gravity corners run + 12.65 x 10 times low center of gravity corners run + 8.4 + 8.15 x x 8 abdominal bridge 1 min to wall shot + 8.15 + 11.27 x x ZuoWeiTi proneness vo2 Max absolute value + 8.96 x leg anaerobic power peak 30 seconds + 7.39 x upper anaerobic power + 30 seconds on average 7.39 x upper anaerobic power peak 30 seconds.3.Among the male athletes of Tianjin badminton team,only one athlete scored more than 80 points in the special physical ability comprehensive score,and only three athletes scored more than 60 points.The other athletes scored less than 60 points.The score of athletes’ special sports quality was 38.5 points for strength and 23.1 points for weakness.4.Among the male athletes of Tianjin badminton team,50% of them have sports injuries of different degrees.The specific injury sites are concentrated in the waist,knee and ankle joints,among which the knee has the highest injury rate.The following conclusions are drawn:1.The special physical characteristic evaluation system for young men badminton athletes in Tianjin consists of 3 first-level indexes and 14 third-level indexes.2.The overall physical condition of Tianjin badminton team is weak,and the scores of special physical ability are generally low.Most athletes have poor core strength and body flexibility.3.There is an obvious gap in the special physical ability among the team members,which is mainly reflected in the athletic quality.4.The incidence of sports injury of young male badminton athletes in Tianjin is not high,and the injuries are mainly mild or moderate chronic injuries,which are related to poor sports quality. |