Group items tagged

high intensity interval training versus steady state provides different results in post exercise FT.

Breast cancer survivors (BCS) exhibit decreased physical function and quality of life (QOL) following cancer treatments. Resistance training (RT) may elicit positive changes in physical and mental well-being. This study assessed 27 BCS, pre-and post-intervention (six months) on the following variables: muscular strength (via one repetition maximum (1RM) of chest press and leg extension), physical function (via the Continuous Scale-Physical Functional Performance test) and QOL (via the Short Form-36 survey). RT consisted of two days/week of ten exercises including two sets of 8-12 repetitions at 52%-69% of their 1RM. A repeated measures analysis of variance revealed BCS significantly (p < 0.05) increased upper (71 ± 22 to 89 ± 22 kg) and lower body (74 ± 18 to 93 ± 24 kg) strength, total physical function (65.5 ± 12.1 to 73.6 ± 12.2 units) and the subcomponents of physical function: upper body strength (63.5 ± 16.3 to 71.2 ± 16.8 units), lower body strength (58.5 ± 14.9 to 68.6 ± 16.3 units), balance and coordination (66.5 ± 12.2 to 74.6 ± 11.6 units), and endurance (67.2 ± 12.0 to 75.0 ± 11.6 units). No changes were observed over time for subjective measures of physical function and QOL. Results showed RT could be an effective means to improve objective physical function in BCS. Further research is needed to clarify the effects of RT on subjective physical function and QOL.

pre/post exercise supplementation important in maintaining muscle function and promoting muscle growth

IV nutrition pre-event, intra-event, and post-event for recovery.

Decline in free Testosterone, especially in physically unfit men, blunted by oral 50 mg DHEA night before exercise.  Total Testosterone and DHEA remained significantly low up to 24 hours post HIIT.

I don't normally post blog posts, however, this post has merits for the purpose of figure 1 and figure 2.   Figure 1 highlights the different omega 3:omega 6 of different fish and figure 2 highlights the different omega3;6 in wild versus farm raised fish.

review study finds protein at 0.4 to 0.5 g/kg of LBM pre and post work out maximizes the anabolic effect.

Fascinating link between vitamin D and mitochondria function in skeletal muscle.  Vitamin D replacement was found to improve mitochondrial function, improve post exercise discomfort in those with vitamin D deficiency.  Obviously, this provides support for a link between vitamin D and mitochondrial function.  This could provide an important tool in the recovery phase in athletes.

whey protein (20 gm) shown to promote superior muscle growth in older men versus casein and casein hydrolysate.  Whey protein, in this study, was provided at meals, not as a post exercise support.

This study proposes that immediate post-resistance training protein helps to stimulate muscle growth. Recovery from training is just as important as the training itself.

great review of data on cardiac damage associated with extreme endurance training.  These EEEs, that they are called, are rare in those < 40 and usually involved genetic defects.  This article points to aggressive preventive testing in those > 50.

Alcohol in the recovery phase suppresses anabolic repair through inhibition of mTOR--even when taken with protein.

Plasma and salivary cortisol and Testosterone levels correlated in small study that looked at post-training hormones changes in athletes.  Cortisol and Testosterone peaked in all experimental groups. 

Study followed Total Testosterone:Cortisol ratios to monitor catabolic/anabolic states in basketball players.  The authors followed serum levels and monitored them 24-36 hours post game.  Those playing > 25 min/game had the lowest TT:C and highest cortisol indicating a catabolic state and making recovery critical.

Oxidative stress markers remain elevated up to 5 days post ironman triathlon.

New study suggest brain healing lags far behind in concussion recovery.