Ok Flashcards
1
Q
Concentric contractions have tension in biceps (agonist) and relaxed triceps (antagonist)
Results in shortening of the muscle
A
Eccentric contractions have tension in biceps and relaxed triceps
Lengthening of a muscle
2
Q
Isometric contraction has tension in biceps and tension in triceps (no motion)
A
No change in muscle length
3
Q
Muscles represent what percentage of total body mass?
A
40%
4
Q
How do muscles produce heat?
A
ATP is generated within muscle cells then released to provide energy when the muscle is stimulated, generating heat in the process
5
Q
How many muscles are there in the human body?
A
650 and up
