MUSCULAR SYSTEM PART 2

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1
defined as the muscles ability to contract and create force in response to resistance
muscle strength
2
increase the degree of muscle tone and do not shorten the muscle during contraction
isometric contraction
3
responsible for the constant length of the postural muscles of the body
isometric contraction
4
standing in position with books on top of head
isometric contraction
5
muscle shortens, thereby producing movement and the amount of tension produced by the muscle is constant during contraction, but the length of the muscle decreases
isotonic contraction
6
all movements are the result of
isotonic contraction
7
movements of the armms and fingers
isotonic contraction
8
produce muscle tone, do not shorten the muscle and only few fibers contract at one time
tonic contraction
9
standing position
tonic contraction
10
direction relative to the midline of the body
accrdg to direction f muscle fibers
11
rectus
rectus abdominis
12
transverses
transverses abdominis
13
oblique
externa/interna
14
structure near which is a muscle is found
location
15
largest and xample
maximus, gluteus maximus
16
smallest and example
gluteus minimus
17
longest and example
longus, adductor longus
18
short and example
brevis, peroneus brevis
19
large and example
major, pectoralis major
20
small and example
minor, pectoralis minor
21
triangular in shape
deltoid
22
trapezoid and example
trapezius
23
serrated and example
serratus, serratus anterior
24
diamond shaped and example
rhomboideus
25
how many origins for biceps
2
26
how many origins for triceps
3
27
how many origins for quadriceps
4
28
the prime mover, muscle that causes action and the first to contract
agonist
29
helper, muscle that act with an agonist, deltoid
synergist
30
muscle that causes the opposite action of the agonist
antagonist
31
muscle that stabilizes body position
fixator
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