Phase angle and body composition: A scoping review

Martins, Priscila Custódio; Alves, Carlos Alencar Souza; Silva, Analiza M.; Silva, Diego Augusto Santos

doi:10.1016/j.clnesp.2023.05.015

Cited by 18 publications

(11 citation statements)

References 72 publications

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“…BIA often used in daily clinical practice to assess body composition, particularly muscle mass and hydration [14]. A higher PhA value re ects greater cellularity, membrane integrity, and cellular function [14,15]. Besides, some studies showed that the excessive adipose accumulation results in a signi cant reduction of health-related physical tness and can affect the PhA value [13].…”

Section: Discussionmentioning

confidence: 99%

Bioelectrical impedance analysis-derived phase angle (PhA) in adults with normal weight obesity and correlation of PhA with body composition

Luo,

Jin

2024

Preprint

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Background: Normal weight obesity (NWO) is defined as having a normal body mass index (BMI) accompany with a high percent body fat (PBF). Individuals with NWO have a higher risk for type 2 diabetes, cardiometabolic diseases and adverse health issues. Asian populations tend to have normal BMI with high PBF, which is concerning. The excessive adipose accumulation results in a significant reduction of health-related physical fitness and can affect the phase angle (PhA). Therefore, this study aimed to assess the body composition among Chinese adults with normal BMI, and to establish PhA reference data for NWO population. Methods: A total of 4839 adult participants were enrolled for analysis. A four-group comparison of the PhA for participants categorized with NWO, NWO with low muscle mass, low muscle mass, and others were conducted. Pearson’s correlation coefficients were used to evaluate the correlation between PhA and age, PBF, waist circumference (WC), visceral fat area (VFA), appendicular skeletal muscle mass index (ASMI) and BMI. Multivariate regression analysis was applied to determine the relationship between PhA and NWO, NWO with low muscle mass, low muscle mass, and others. Receiver Operating Characteristic (ROC) curves were used to identify the optimal PhA cut-off values for detecting NWO with low muscle mass in males and females. Results: A significantly difference in PhA among participants with four groups (P <0.001). Pearson correlation analysis showed a positive correlation between PhA and WC, ASMI, BMI; but a negative correlation between PhA and age, PBF, VFA (P <0.001). The results of multivariate linear regression analysis showed that age, gender, PBF, and ASMI were independent and significant determinants of PhA in NWO participants (P <0.001). NWO, NWO with low muscle mass, low muscle mass were significantly and negatively associated with the PhA in males and females (P <0.001). These results indicated that NWO with low muscle mass was more strongly associated with the PhA than NWO and low muscle mass. The area under the ROC curve (AUC) of PhA for NWO with low muscle mass was 0.786 (95% CI, 0.755-0.818, P<0.001) for males, and 0.746 (95% CI, 0.705-0.786, P <0.001) for females. The optimal cut-off value was ≤5.48° (specificity 0.660, sensitivity 0.782) for males, and ≤4.60° (specificity 0.788, sensitivity 0.565) for females. Conclusion: A negative correlation was observed between PhA and PBF. PhA can be used as a predictor of NWO with low muscle mass, and the cut-off values were ≤5.55° for males and ≤4.79° for females. Simple and practical PhA-based prediction of pre-sarcopenic obesity in normal weight population would be useful in clinical practice.

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Section: Discussionmentioning

confidence: 99%

Bioelectrical impedance analysis-derived phase angle (PhA) in adults with normal weight obesity and correlation of PhA with body composition

Luo,

Jin

2024

Preprint

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“…This corroborates with the current literature, which states that FFM, an indicator of physical fitness and nutritional status in athletes of different sport disciplines, is the strongest predictor of PhA, even stronger than BMI or body fat [ 7 , 28 , 29 ]. Indeed, studies have indicated that lower PhA values are associated with higher levels of body fat, indicating a potential link between reduced cellular health and increased adiposity [ 30 , 31 ]. Likewise, we observed a negative correlation between body fat % and PhA when evaluating both sexes.…”

Section: Discussionmentioning

confidence: 99%

Phase angle as an indicator of body composition and physical performance in handball players

Oliveira Silvino,

Raffaela Barbosa Barros,

Machado Brito

et al. 2024

BMC Sports Sci Med Rehabil

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Background Phase angle (PhA), obtained from the bioimpedance analysis, is widely used in clinical situations and in sports. This study evaluated the association between PhA with body composition and physical performance of handball athletes. Methods 43 national-level players (22.19 ± 3.86 years) of both sexes were evaluated regarding anthropometry, body composition, squat (SJ) and countermovement (CMJ) jumps, handgrip strength, and cardiorespiratory fitness. Results We verified a correlation between PhA of the whole body and fat-free mass (r = 0.511), body mass index (r = 0.307), and body fat % (r = -0.303). There was a positive correlation between PhA of the whole body and SJ (r = 0.376), CMJ (r = 0.419), and handgrip for the dominant hand (r = 0.448). Moreover, PhA of the upper limbs was more strongly correlated with handgrip for the dominant (r = 0.630) and non-dominant hand (r = 0.575) compared to PhA of the whole body considering both sexes. Similarly, segmental PhA had a stronger significant correlation with SJ (r = 0.402) and handgrip for the dominant hand (r = 0.482) in males, as well as CMJ (r = 0.602) in females, compared to PhA of the whole body. Conclusion PhA of the whole body was positively related to fat-free mass, body mass index, body fat %, and lower- and upper-limbs strength in handball athletes. Segmental PhA might be used as a tool for estimating lower and upper limbs performance considering the sex, in preference to the PhA of the whole body.

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“…Lower resistance values are compatible with a greater state of hydration, which could allow better cellular function and more efficient thermoregulation and, therefore, better submaximal endurance performance. At the same time, the role of PhA in muscle performance is well established in the literature, even in subjects with chronic disease [ 45 ]. The present study confirms that higher PhA values that reflect greater cellularity support physical performance close to maximum individual effort.…”

Section: Discussionmentioning

confidence: 99%

Unsupervised Exercise Intervention vs. Adherence to a Mediterranean Diet Alone: The Role of Bioelectrical Impedance Vector Analysis and Cardiovascular Performance in Liver-Transplanted Recipients

Mascherini,

Corsi,

Falconi

et al. 2024

Nutrients

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(1) Background: Cardiovascular disease is one of the leading causes of mortality after liver transplantation. Body composition and cardiovascular performance assessment represent a potential approach for modulating lifestyle correction and proper follow-up in chronic disease patients. This study aimed to verify the additional role of an unsupervised physical activity program in a sample of male liver transplant recipients who follow the Mediterranean diet. (2) Methods: Thirty-three male liver transplant recipients were enrolled. Sixteen subjects followed a moderate-intensity home exercise program in addition to nutritional support, and seventeen received advice on the Mediterranean diet. After six months, bioelectrical vector impedance analysis (BIVA) and cardiopulmonary exercise testing (CPET) were performed. (3) Results: No differences in CPET (VO2 peak: exercise 21.4 ± 4.1 vs. diet 23.5 ± 6.5 mL/kg/min; p = 0.283) and BIVA (Z/H: exercise 288.3 ± 33.9 vs. diet 310.5 ± 34.2 Ω/m; p = 0.071) were found. Furthermore, the BIVA values of resistance correlate with the submaximal performance of the Ve/VCO2 slope (R = 0.509; p < 0.05) and phase angle with the maximal effort of the VO2 peak (R = 0.557; p < 0.05). (4) Conclusions: Unsupervised physical exercise alone for six months does not substantially modify liver transplant recipients’ cardiovascular performance and hydration status, despite their adherence to a Mediterranean diet. The body composition analysis is useful to stratify the risk profile, and it is potentially associated with better outcomes in transplanted subjects.

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Phase angle and body composition: A scoping review

Cited by 18 publications

References 72 publications

Bioelectrical impedance analysis-derived phase angle (PhA) in adults with normal weight obesity and correlation of PhA with body composition

Bioelectrical impedance analysis-derived phase angle (PhA) in adults with normal weight obesity and correlation of PhA with body composition

Phase angle as an indicator of body composition and physical performance in handball players

Unsupervised Exercise Intervention vs. Adherence to a Mediterranean Diet Alone: The Role of Bioelectrical Impedance Vector Analysis and Cardiovascular Performance in Liver-Transplanted Recipients

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