muscular sys vocab

Question 1

Study of movement

Answer 1

kinesiology

Question 2

A basic rod-like organelle of a muscle cell

Answer 2

Myofibril

Question 3

The contraction or functional unit of skeletal muscle

Answer 3

Sarcomere

Question 4

Each muscle fiber is connected to a nerve cell fiber called a motor neuron

Answer 4

Neuromuscular junction

Question 5

Some muscle fibers will be contracted while others remain relaxed

Answer 5

Tonus (tone)

Question 6

Contraction in which there is no movement

Answer 6

Isometric contaction

Question 7

Contraction With movement, resistance will vary depending on the force applied

Answer 7

Isokinetic contraction

Question 8

Contraction which produces movemnt, resistance is variable

Answer 8

Isotonic contraction

Question 9

A sustained contraction resulting from too many stimuli, will last until oxidation and removal of lactic acid occurs within the muscle

Answer 9

Tetany

Question 10

Decreasing angle of a joint

Answer 10

Flexion

Question 11

Increasing the angle of a joint

Answer 11

Extension

Question 12

Movemnt away from the midline

Answer 12

Abduction

Question 13

Movement toward the midline

Answer 13

Adduction

Question 14

Cone like movemnt of an appendage

Answer 14

Circumduction

Question 15

Movement around an axis

Answer 15

Rotation

Question 16

Moving the plantar surface towards the midline

Answer 16

Inversion

Question 17

Moving the plantar surface away from the midline

Answer 17

Eversion

Question 18

Toward the dorsim (towards the face)

Answer 18

Dorsiflexion

Question 19

Away from the dorism (point toes )

Answer 19

Plantarflexion

Question 20

Extension passed the normal range of motion

Answer 20

hyperextension

Question 21

Contraction in which muscles shortens

Answer 21

Concentric contraction

Question 22

Contraction of the muscle when muscle is stretched

Answer 22

Eccentric contraction

Question 23

Stretching or tearing of muscle fibers or the tendons which conect them (1st, 2nd,3rd degree)

Answer 23

Strain

Question 24

2 protein stands wrapped around one another in which proteins project

Answer 24

Myosin

Question 25

A double standard twisted into a helix. It has adp molecules on its surface and this is what forms the cross-bridges with myosin

Answer 25

Actin