The findings of this one suggest that, when matched for training status, females incur similar peripheral fatigue in the quadriceps and inspiratory muscles compared with males following high-intensity cycling, despite a smaller reduction in voluntary force.
Findings:
- When matched for training status, the endurance capacity of males and females is similar during high-intensity cycling.
- Females do not seem to reach exhaustion during high-intensity cycling with a different level of peripheral fatigue in the quadriceps or inspiratory muscles compared to males.
- "Most studies comparing sex differences in fatigability between sexes show that females have either similar or enhanced endurance on a wide range of tasks and intensities when small muscle masses are exercised...
"...Our study supports the view that these differences seem to disappear when whole-body exercise is compared, leading to similar times to exhaustion during cycling at similar relative intensities, where presumably a wider range of factors act to limit exercise tolerability."
- "The similarities in endurance capacity and peripheral fatigue developed by the inspiratory and quadriceps muscles between women and men does not seem sufficient to warrant particularly different exercise training strategies or interventions...
"...despite anatomical and physiological differences between sexes. Other aspects of sex differences might be more relevant in this context and should be further explored."
Sex differences in quadriceps and inspiratory muscle fatigability following high-intensity cycling (open access)
This study sheds doubt on the impact of the food matrix on anabolism, as it found that eating salmon as a whole-food matrix is similarly anabolic compared to ingesting the same nutrients as an isolated mixture of crystalline amino acids and fish oil following resistance exercise.
- The study tried to assess the effects of eating salmon versus ingesting the same nutrients as an isolated mixture of crystalline amino acids and fish oil on the stimulation of post-exercise myofibrillar protein synthesis and whole-body leucine oxidation rates.
- Ten recreationally active adults performed an acute bout of resistance exercise followed by the ingestion of salmon or the isolated mixture in a crossover fashion.
The findings of this one suggest that the risk of major depressive disorder may be lowered, even among individuals with a high genetic risk, by a higher strength, as measured by grip strength.
- Individuals with low genetic risk and high grip strength had a lower incidence of major depressive disorder compared with individuals with high genetic risk and low grip strength.
- Individuals with high genetic risk and high grip strength also had a lower incidence of major depressive disorder compared with individuals with high genetic risk and low grip strength.
This is the last part of the series of systematic reviews and meta-analyses that this group performs in an effort to synthesize the evidence that links physical activity with breast cancer risk.
This systematic review finds that the literature overall suggests that passive or active normobaric intermittent hypoxia probably has a limited positive effect on health-related outcomes in healthy older adults compared to similar intervention in normoxia.
Key points:
- Passive and active intermittent normobaric hypoxia is likely to have a limited effect on health-related outcomes in healthy older adults, compared to a similar intervention in normoxia.
Here, the combination of exercise and a GLP-1 receptor agonist reduced metabolic syndrome severity, abdominal obesity, and inflammation following an eight-week low-calorie diet, consequently reducing cardiometabolic risk more than exercise or the GLP-1 receptor agonist alone.
- The study investigated improvements in metabolic syndrome, abdominal obesity, and low-grade inflammation during moderate-to-vigorous exercise, liraglutide 3.0 mg/day, or the combination of the two following an eight-week low-calorie diet...
...in a one-year maintenance period following a diet-induced weight loss.
This systematic review and meta-analysis suggests that cold water immersion is likely to benefit the acute recovery of endurance performance and longer-term recovery of muscle strength and power, although this may depend on the nature of the preceding exercise.
- Findings supported that cold water immersion is likely to best facilitate the recovery of endurance performance when the preceding exercise is endurance in nature and particularly when the preceding exercise is performed in the heat:
Findings suggested that that post-exercise cold water immersion is likely to enhance the acute recovery (i.e., 1 h) of endurance performance following exercise in warm-to-hot (26°C to 40°C) conditions...