Your penis because it allows for a large boost of momentum, Source: Porn star
The three functional roles in a movement that are used to characterize muscle groups are Origin, Insertion, & Contraction (Actions). However my instructor argued that the key word was functional therefore the answer she felt was correct is/was agonists, antagonists, or synergists.
Muscles form little groups similar to thick string.
Are they all muscle groups?
soccer an Basketball why? well it stimulates the bones health through the impact of intermittent jumping and running, as well as building muscle strength.
involve continuous rhythmic movements of large muscle groups. Siyad Jawad
Quads; the quadriceps.
all muscle groups are used.
All.
There are no major muscle groups used in ice hockey. Because most likely every muscle is used. Those in the arms, legs, back, abdomen, neck, face and even eyes.
I believe when your lips are "jumping", that you're just having a muscle spasm.
Do you mean twitching? If so, No. Muscle doesn't jump.
You are working multiple muscle groups with the kettlebell and thats why its excellent for hard training.
main muscle groups used for AFL
Gross motor skills involve large muscle groups and coordinated movements, such as running, jumping, and throwing. These skills require strength, balance, coordination, and spatial awareness.
It's probably just fatigued
quadraceps and gluteus maximus
The purpose of your femur muscle is to make or have movement in your legs. Like: running walking, jumping, etc.