← Back
Back Extensions
Lower Back
Glutes
Hamstrings
Estimated RM Over Time
1RM
5RM
2026-02-18
Set
Reps
Weight (kg)
1
7
22.5
2
6
20.0
2026-02-13
Set
Reps
Weight (kg)
1
12
20.0
2
10
24.0
3
7
20.0
2026-02-10
Set
Reps
Weight (kg)
1
10
20.0
2
10
20.0
2026-02-03
Set
Reps
Weight (kg)
1
11
20.0
2
11
20.0
3
7
20.0
4
8
BW