John Matulevich

Does Caffeine Have Any Effect On Resistance Exercise?

Many gym-goers are looking for ways to get more work in during their training sessions. Some turn to pre-workout supplements while others may turn to steroid-related drugs. Although pre-workout supplements contain caffeine, it’s also filled with unnecessary and potentially dangerous substances. Caffeine on resistance training has been long looked at with supportive research data on …

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How to Concurrently Enhance Cardiovascular Capacity and Target Proficiency for Bow Hunters

Here in Pennsylvania we’re less than a month away from the official start of the statewide whitetail archery hunt. It’s at about this time that hunters will be desperately getting in their target practice with a bow that many have not touched since late archery season or even before the regular firearms season of last …

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Featured Fitness Content: Volume 49

View the last edition of ‘Featured Fitness Content’ here. Personal Training, Coaching, and Strength & Conditioning Exercise For Confidence: On-Field Groin Strengthening By Erica Suter Gene doping might not work after all Craig Pickering via HMMR Media Becoming a College Strength Coach By Mike Blasquez via Juggernaut Training Systems Training strength with hypermobility; 14 year old female By Joy Victoria …

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A Comparison Of Several Sports Drinks

Electrolytes consist of sodium, potassium, chloride, calcium, magnesium, and bicarbonate. Workouts lasting less than 1 hour typically only need to re-hydrate with water but for workouts >1 hour, require liquids with a combination of carbohydrates and electrolytes.  Electrolytes are needed because they are, along with water, are lost through sweat which is the bodies primary …

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Ruthless Performance Mavericks Program: A Sneak-Peak

If you’re not familiar with the Ruthless Performance Mavericks Program, it’s something well-worth looking into as a primary or accessory strength & conditioning program. The program consists of 3-12 workouts per week (depending on season, goals, recovery status, etc.). Though the program is rooted in long-term strength gain, the Mavericks workouts also build up cardiovascular …

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What is the Difference Between a Nutritionist and a Registered Dietitian?

Registered Dietitians are licensed nutritional professionals with an undergraduate degree and supervised practice hours. Among completion, a national exam must be taken to be officially licensed and practice as a professional. Registered dietitians are recognized by The Academy of Nutrition and Dietetics with mandatory completion of CEUs (Continuing Education Units) to maintain registration. The term “Nutritionist” …

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Featured Fitness Content: Volume 48

View the last edition of ‘Featured Fitness Content’ here. Personal Training, Coaching, and Strength & Conditioning Does Shaving Improve Swimming Performance? By Allan Phillips via Swimming Science   Weight Loss, Nutrition, and General Health The 12 Most Effective Ways to Spark the Recovery Process By John Rusin Are Nightshade Vegetables Bad for You? An Evidence-Based Look By Kimberly Yawitz …

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Internal Program Review: Collegiate Swimmer Off-Season Strength & Conditioning Program – Day 1

The strength and conditioning community is far too fractioned; proprietary training programs and secrecy hide the inner workings of many sports performance coaching theories and facilities. At Ruthless Performance, we find this idea entirely backwards—this mentality is a sign of some fragile egos and insecurity within the industry. To do our part in mitigating this, …

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Ruthless Performance Guide to Mineral Supplementation

Previously, we talked about the importance and effect of vitamins in performance. We now move on to minerals. Fundamentally, minerals are broken into different categories based on their function; Major, Trace and Ultra-trace minerals. Despite the fact that minerals only contribute only about ~4% of total body weight, their functions are vital for cellular activity, …

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A Quick Guide to Hydration for Performance

The weather is warming up which means dehydration sets in faster. Dehydration has major effects on the body such as electrolyte imbalances, cramping, headaches, and reduced athletic performance, potentially leading to heat stroke and even death. Dehydration varies widely amongst individuals based on their hydration status prior to training, practice gear body composition, type of …

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