1
10 pull-ups
6 pull-ups
4 pull-ups

2
20 sit-ups
3 sets
twice a day
3
10 pull-ups
8 pull-ups
6 pull-ups
4
20 sit-ups
3 sets
twice a day
5
12 pull-ups
8 pull-ups
4 pull-ups

6
25 sit-ups
3 sets
twice a day
7
14 pull-ups
6 pull-ups
2 pull-ups
8
25 sit-ups
3 sets
twice a day
9
14 pull-ups
8 pull-ups
2 pull-ups

10
25 sit-ups
3 sets
twice a day
11
15 pull-ups
6 pull-ups
2 pull-ups
12
20 sit-ups
4 sets
twice a day
13
15 pull-ups
8 pull-ups
2 pull-ups
14
20 sit-ups
4 sets
twice a day
15
16 pull-ups
6 pull-ups
2 pull-ups
16
20 sit-ups
3 sets
three times a day
17
16 pull-ups
6 pull-ups
4 pull-ups
18
20 sit-ups
3 sets
three times a day
19
17 pull-ups
6 pull-ups
2 pull-ups
20
20 sit-ups
3 sets
three times a day
21
17 pull-ups
6 pull-ups
4 pull-ups
22
20 sit-ups
4 sets
three times a day
23
17 pull-ups
8 pull-ups
2 pull-ups

24
20 sit-ups
4 sets
three times a day
25
18 pull-ups
8 pull-ups
4 pull-ups
26
20 sit-ups
3 sets
four times a day
27
19 pull-ups
8 pull-ups
4 pull-ups

28
20 sit-ups
3 sets
four times a day
29
rest day
30
20 pull-ups
8 pull-ups
6 pull-ups

00:00

:
START
30 sec
60 sec
2 min
Reset
Pause
Restart

Pull-ups are difficult because of the physics involved in the equation. Basically the work your arms have to do is described as the energy needed to move some mass over some distance. In teh case of doing a single pull-up, the work that your arms and back need to do is a function of your mass and how far you need to move it upwards to get your chin over the bar.

This lets you understand just what an achievement doing pull-ups is and why there is so much value in the bragging rights. This challenge takes you several levels up.

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