Paano lumakas sa Sit up||Tips & follow up Motivation

PUSH UP Board I used to get Stronger Push-ups:
shp.ee/75hnb6x
Sit Up Bench I Used:
shp.ee/6pmz5xf
This video tells the gradual practice of sit up by using rucksack to gain speed and increase number repetitions within two (2) minutes time allocation.
Also, it talks about tips and motivations to overcome the challenges as Army Applicant.
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