Effects of Resistance Strength Training on Functional Capacity and Well Being of Anorexic Patients

Study Overview
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Brief Summary
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The purpose of the present randomized controlled trial was to determine the effects of a 3-month resistance training program (2 sessions/week) on the functional mobility and muscle function, muscular dynamic strength, body composition and quality of life of young anorexic outpatients (≤16 years). The investigators also assessed cardiorespiratory variables of clinical significance such as peak oxygen uptake.

Detailed Description
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A total of 22 outpatients [20 female (Tanner stage II-IV), 2 male (Tanner stage IV); age range: 12-16 years] were finally eligible and thus participated in the study. Participants in the intervention group were enrolled in two training sessions per week for 12 weeks. Each session lasted 60-70 min and started at  11:30 a.m., after the intra-hospital psychotherapy session. The program was individually supervised, i.e. one instructor for every three patients. Each session started and ended with a low intensity 10-15min warm-up and cool-down period respectively, consisting of stretching exercises involving all major muscle groups. The core portion of the training session consisted of 11 strength exercises engaging the major muscle groups, i.e. bench press, shoulder press, leg extension, leg press, leg curl, abdominal crunch, low back extension, arm curl, elbow extension, seated row and lateral pull-down. For each exercise, the participants performed one set of 8-15 repetitions (total of   20s duration) with resting periods of 1-2 min between exercises. The load was gradually increased as the strength of each child improved, i.e. from 20-30% of 6 repetition maximum (6RM) at the start of the program to 50-60% of 6RM at the end. Stretching exercises of the muscles involved in the previous exercises were performed during the rest periods (21). Participants also performed isometric contractions of large muscle groups (6 sets of 3 repetitions each, 20-30s duration per repetition) with their own body weight (for lower body exercises) or barbells (1-3kg) for upper body. Outcome measures: Anthopometry Cardiorespiratory fitness Muscular strength Functional mobility Quality of life

Official Title
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Effects of Resistance Strength Training on Functional Capacity and Well Being of Anorexic Patients; A Randomized Controlled Trial

Conditions
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Anorexia

Intervention / Treatment
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* Behavioral: Physical activity


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Diagnosis of restrictive anorexia nervosa Age ≤ 16 years Undergoing intra-hospital psychotherapy and dietary counseling (two visits per week) in this Hospital Body mass index > 14.0 kg/m2 Exclusion Criteria: None

Ages Eligible for Study
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Maximum Age: 16 Years

Sexes Eligible for Study
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Female

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: 2<br> | Behavioral: Physical activity<br>* Participants in the intervention group were enrolled in two training sessions per week for 12 weeks. The core portion of the training session consisted of 11 strength exercises engaging the major muscle groups, i.e. bench press, shoulder press, leg extension, leg press, leg curl, abdominal crunch, low back extension, arm curl, elbow extension, seated row and lateral pull-down. For each exercise, the participants performed one set of 8-15 repetitions (total of   20s duration) with resting periods of 1-2 min between exercises. The load was gradually increased as the strength of each child improved, i.e. from 20-30% of 6 repetition maximum (6RM) at the start of the program to 50-60% of 6RM at the end. Participants also performed isometric contractions of large muscle groups (6 sets of 3 repetitions each, 20-30s duration per repetition) with their own body weight (for lower body exercises) or barbells (1-3kg) for upper body.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Quality of life |  |  | 
| Anthropometry |  |  | 
| Functional mobility |  |  | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Muscular strength |  |  | 
| Cardiorespiratory fitness |  |  | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Strength training, Anorexia, Girls, Quality of life, Functional mobility