Troubleshooting Series: Cervical Spine

Troubleshooting Series: Cervical Spine Injuries in Swimmers

Dr. GJohn Mullen Biomechanics, Blog, Dr. John Mullen, Dryland, Injuries, Latest&Greatest, Training Leave a Comment

Troubleshooting Series: Cervical Spine Understanding cause-and-effect lies in the heart of effective movement correction, both in and out of the water. The better grasp we have of the body’s movement fundamentals, the more capable we can decipher the visual presentation of stroke flaws. The quotations around “flaws” are intentional, as the flaw that catches our attention on deck may be …

Internal Program Review: Strength Training for an Elite Freshman Swimmer

John Matulevich Dryland, John Matulevich Leave a Comment

If you randomly sample 20 swim coaches and ask them what should be the purpose of dryland training, you’ll likely get 20 answers. If you were to ask me that same question at 20 different points throughout the year, you’d also get 20 answers. Given this, my ability to answer hypotheticals surrounding dryland training for swimmers is a bit limited. …

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Eight-Week Battle Rope Training Basketball Shooting Accuracy, Will it Improve Swimming Stroke Biomechanics?

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Previous studies have shown that shooting accuracy is a crucial factor distinguishing between winning and losing basketball teams. Battle rope (BR) interval training is a low-impact, total-body, and intense metabolic modality. Methods Thirty male well-trained Division-I basketball players (age range: 18–25 years; basketball training: 6.7 ± 3.8 years) who had not sustained neuromuscular injury in the prior 6 months participated …

Effect of Squat Depth and Load on Muscular Effort

Effect of Squat Depth and Load on Muscular Effort

Dr. GJohn Mullen Blog, Competition, Dr. John Mullen, Dryland, Latest&Greatest, Training Leave a Comment

The squat is a popular dry-land exercise for swimming. This is likely due to the numerous muscles involved and the common belief this motion mimics a flip turn (despite contradictory research). However, the effect the depth and load on the squat are unknown. Muscle force is hard to measure, therefore motion analysis techniques combined with the equations to solve for …

Resistance Exercise Load Does Not Determine Muscle Size

Resistance Exercise Load Does Not Determine Muscle Size

Dr. GJohn Mullen Blog, Dr. John Mullen, Dryland, Latest&Greatest, Training Leave a Comment

It is commonly thought the more weight one lifts during resistance training, the greater increase in muscle size (hypertrophy) occurs. Unfortunately, there is minimal evidence suggesting these two conditions correlate. Moreover, the size of a muscle is not suggested to correlate with swimming success. Instead of a percent of maximum, the total volume of weight lifted is potentially a means …

Do I Have Core Strength?

Do I Have Core Swimming Strength?

Dr. GJohn Mullen Blog, Dryland, Latest&Greatest, Training Leave a Comment

TAKE HOME POINTS FOR CORE STRENGTH IN SWIMMERS Core strength is plane dependent. Core strength is activity dependent. Core strength can vary with training volume, load, etc. I’ve received a lot of emails recently regarding core strength, specifically how to test for core strength and tell if someone has enough “core strength for swimming”. Now, there are numerous methods for testing …

Dynamic Core Strength Correlated with Ground-Based Performance

Dynamic Core Strength Correlated with Ground-Based Performance

Dr. GJohn Mullen Blog, Dryland, Latest&Greatest, Training Leave a Comment

Though many feel core strength is essential for athletes, measuring this strength is not well understood. This study attempted to analyze the impact of dynamic core strength on performance and find a measurable field test. What was done Twenty-five Division I collegiate football (~19.0 years) players performed medicine ball throws (forward, reverse, right, and left) in static and dynamic positions. …

Instability Training Improves Joint Proprioception

Instability Training Improves Joint Proprioception

Dr. GJohn Mullen Blog, Dryland, Training 1 Comment

Background on Instability Training Although instability is often used to strengthen the core and hips, the translation of this to dynamic movement is not certain. Also, the influence of instability training on proprioception is also not well established. This study looked at the effects of instability training. What was done Forty-three participants were split into a training program for 10-weeks …

Multi-planar Strengthening Appears Important in Rehabilitation

Multi-planar Strengthening Appears Important in Rehabilitation

Dr. GJohn Mullen Blog, Dryland, Injuries, Training Leave a Comment

A weak core is considered paramount for athletes, as it is the “engine” of the body. It is also believed a weak core increases the risk of injury. The core is defined as the muscles which surround the lumbopelvic region and includes the abdominals anteriorly, the paraspinals and gluteals posteriorly, the pelvic floor musculature inferiorly, the hip abductors and rotators …