The Scientific World Journal

Research Article

The Effect of the Weight of Equipment on Muscle Activity of the Lower Extremity in Soldiers

Table 2

Summary of significant effects on the EMG of different muscles.
SetupEMGReference (a)Helmet (b)Carrying strap (c)Backpack (d)Weapon (e-1)Weapon (e-2)
MeanpeakAUCMeanpeakAUCMeanpeakAUCMeanpeakAUCMeanpeakAUCMean peak AUC
Muscle                  
 TA                  
 PL                  
Reference (a)GL                  
GM                  
 RF                  
 BF                  
 TA*°*               
 PL°°°               
Helmet (b)GL°°°               
GM°°°               
 RF°°°               
 BF°°°               
 TA°°°°°°            
 PL°°°******            
Carrying strap (c)GL°°°*°°            
GM°*°*°***            
 RF***********            
 BF**°*****°***            
 TA***************************         
 PL************************         
Backpack (d)GL***************************         
GM***************************         
 RF***************************         
 BF**************         
 TA***************************°°°      
 PL************************°°*      
Weapon (e-1)GL***************************°°°      
GM***************************°°°      
 RF***************************°°°      
 BF*******************°°°      
 TA***********************°°°°°°   
 PL*******************°**°°°°*°   
Weapon (e-2)GL***************************°°°°°°   
GM*************************°°°°°°   
 RF***************************°°°°°°   
 BF*********************°°°°°   
∘ 𝑃 > 0 . 0 5 , ∗ 𝑃 < 0 . 0 5 , ∗ ∗ 𝑃 < 0 . 0 1 , and ∗ ∗ ∗ 𝑃 < 0 . 0 0 1 .
TA: tibialis anterior; BF: biceps femoris; PL: peroneus longus; RF: rectus femoris; GL: gastrocnemius lateralis; GM: gastrocnemius medialis.