it does help , u know .
lastime i go gym , i pull down a 10 kg weight , and my hands r
trembling .
I worked out to abt 50 kg after a few months .
then with pushups and situps to train the supporting musscles , i
managed 1 pullup .
then with that 1 pull up , i never go gym , i go a few reps a day
and pooh , now can do 4 .
if u can lift 70 kg and above and ur body weight is lesser , just
work on ur supporting musscles , then can le .
pushups train support musscles nia .