Skip to main content

Table 1 Overview of testing, questionnaires, and strength training throughout the 16 weeks’ intervention period

From: Periodized resistance training for persistent non-specific low back pain: a mixed methods feasibility study

WeekTestsQuestionnaireTraining emphasisSet and repsPause between sets (min)% of 1RM
1Baseline testNPRS, ODI, PSEQ, FABQ, SNQAdaptation3 x 101 – 250
2  Adaptation3 x 101 – 250
3  Adaptation3 x 101 – 250
4Pretest 1RM Adaptation3 x 101 – 250
5  Strength endurance3 x 121 – 270
6  Strength3 x 8280
7  Strength3 x 4390
8Midtest 1RMNPRS, ODI, PSEQDeload3 x 101 – 250
9  Strength endurance3 x 121 – 270
10  Strength3 x 8280
11  Strength3 x 4390
12  Deload3 x 101 – 250
13  Strength endurance3 x 121 – 270
14  Strength3 x 8280
15 Qualitative Focus group interviewsStrength3 x 4390
16Posttest 1RMNRPS, ODI, PSEQDeload3 x 101 – 250
  1. Abbreviations: NPRS Numerical Pain Rating Scale, ODI Oswestry Low Back Disability Questionnaire, PSEQ Pain Self- Efficacy Questionnaire, FABQ Fear- Avoidance Beliefs Questionnaire, 1RM 1 Repetition maximum, SNQ Standardized Nordic Questionnaire.