Eccentrics

Question 1

What are some mechanotransductors that detect changes in mechanical tension within the muscle?

Answer 1

Costameres and FAK

Question 2

What do mechanotransductors such as costameres and FAK activate, ultimately driving ribosomal biogenesis?

Answer 2

mTOR

Question 3

According to Schoenfeld et al. (2017), eccentric-focused resistance training produced greater hypertrophic changes compared to what?

Answer 3

Concentric-focused resistance training (10% vs. 6.8%)

Question 4

According to Douglas et al. (2016), what did eccentric-focused training lead to?

Answer 4

Greater hypertrophy, strength, muscle power, and injury resilience

Question 5

Eccentric training provides greater mechanical tension for what, according to the presentation?

Answer 5

Hypertrophy

Question 6

Eccentric training provides neuromuscular adaptations for what, according to the presentation?

Answer 6

Strength

Question 7

Eccentric training increases muscle shortening velocity for what, according to the presentation?

Answer 7

Power

Question 8

What changes also occurred with eccentric training, increasing MVC and CSA?

Answer 8

Tendon changes

Question 9

Roig et. al (2008) investigated the effects of eccentric versus concentric resistance training on what?

Answer 9

Muscle strength and mass in healthy adults

Question 10

Eccentric training performed at high intensities is associated with more improvements in what, compared to concentric training?

Answer 10

Total and eccentric strength

Question 11

According to Roig et. al (2008), what type of training was more effective in promoting overall increases in muscle mass?

Answer 11

Eccentric training

Question 12

Friedmann-Bette et al. (2009) showed significant increases in what between traditional and concentric/eccentric overload training?

Answer 12

Jump height (2-3 cm increase)

Question 13

The eccentric overload group in Friedmann-Bette et al. (2009) had statistically significant hypertrophy in what type of fiber?

Answer 13

Type 2x fiber

Question 14

Eccentric training is suggested to provide at least a slight advantage over what for promoting muscle hypertrophy?

Answer 14

Concentric-only training

Question 15

When using eccentric loads greater than maximal concentric strength, eccentric training may lead to more significant improvements in what, compared to traditional resistance training?

Answer 15

Overall strength

Question 16

Adaptations in strength after eccentric training highly specific to what?

Answer 16

The velocity of movement and mode of contraction

Question 17

What is a key gap in current research on eccentric training?

Answer 17

Clarity on how factors like age, gender, and training history impact outcomes

Question 18

What should future studies explore regarding eccentric training?

Answer 18

Responses across diverse populations and determine the optimal duration of eccentric contractions to maximize training adaptations and effectiveness.

Question 19

What part of the muscle contraction does eccentric training focus on overloading?

Answer 19

The lengthening phase

Question 20

What type of training did Schoenfeld et al. compare eccentric focus training to?

Answer 20

Regular traditional training

Question 21

What changes did Schoenfeld et al. find with eccentric focus training compared to traditional training?

Answer 21

Greater hypertrophic changes

Question 22

Douglas et al.’s systematic review compared eccentric and concentric training across what populations?

Answer 22

Untrained, trained, and athletes

Question 23

What benefits did Douglas et al. find with eccentric training?

Answer 23

Greater hypertrophy, strength, power, and changes in tendon size and strength

Question 24

According to Douglas et al., where did the greater hypertrophy from eccentric training come from?

Answer 24

Increased sarcomere in series

Question 25

According to Douglas et al., what neural adaptations contributed to strength increases from eccentric training?

Answer 25

Increased motor unit recruitment

Question 26

What did Roy Gidal investigate the effects of?

Answer 26

Eccentric resistance training on muscle mass and hypertrophy

Question 27

What did meta-analyses of strength find regarding eccentric training?

Answer 27

Greater increases in overall eccentric strength

Question 28

What did studies using CT scans and MRI scans find regarding eccentric training?

Answer 28

It was really beneficial for muscle hypertrophy

Question 29

Friedmann-Bette et al.'s randomized control trial involved what type of athletes?

Answer 29

System training male athletes (ex-volleyball players)

Question 30

What type of fiber hypertrophy did Friedmann-Bette et al. observe with eccentric overload training?

Answer 30

Type 2x fibers

Question 31

Friedmann-Bette et al. thought the increased eccentric loading would help increase what?

Answer 31

Jump height

Question 32

Why might eccentric training not be ideal for older people?

Answer 32

It can produce high amounts of muscle damage and soreness

Question 33

What is a caution regarding eccentric training for athletes?

Answer 33

It could cause too much soreness if you're, say, about to compete

Question 34

What is the recommendation for newbies or those feeling sore regarding eccentric training?

Answer 34

Don't overload it too much