Muscle action, Nervious System, Neurons

Question 1

Muscle contraction

Answer 1

Pulls both and towards the muscle valley (moves both bound towards each other)

Question 2

Isometric

Answer 2

Joint angles remain consent
Static contractions

Question 3

Concentric muscle action

Answer 3

Muscle develops tension while shortening
muscle force is greater then resistance

Question 4

Eccentric muscle action

Answer 4

Muscle develops force while lengthening
Muscle force less then applied force

Question 5

Cerebral cortex

Answer 5

highest level of control
Sensary stimall

Question 6

Basal ganglia

Answer 6

Next lower level
Controls postures and equilibrium
Learned movement
Balance and rhythmic activity’s

Question 7

Cerebellum

Answer 7

Sensory impulse
Provides feedback relative to motion
Contras timing and intensity of muscle activity

Question 8

Brain stem

Answer 8

: Integrates ins activity through excitation and inhibition of desired neuromuscular functions
Mataiaing a wakeful state
Most specific control
Complex spinal reflex

Question 9

Spinal card

Answer 9

Common pathway betweenPNS sand CNS
Most specific control
Complex spinal reflex

Question 10

Nervous system (p.n.s)

Answer 10

1. Sensory (afferent) -nerves bring impulse from peripheral aspect of the body to c.n.s
2. Motor (efferent) -Nerves carry impulses away from Th c.m.s

Question 11

Spinal nerves

Answer 11

8 cervical nerves
12 thoracic nerves
5 lumber nerves
5 sacra
1 coccygeal nerve

Question 12

Plexuses _cervical plexus (c1 - c4)

Answer 12

Most muscles in neck

Question 13

Plexuses-brachial de Oxus (C5-t1)

Answer 13

Motor and sensory function to upper extremity, scapola

Question 14

Lumbosacral plexus (L1-S4)

Answer 14

Motor function of lower trunk, lower extremity perineum

Question 15

Intercostal (Thoracic: T2-T12) nerves

Answer 15

Direct innovation

Question 16

Neutrons

Answer 16

Motor neurons (efferents): transmit pulses away from braire, spinal cordto muscles
Sensory neurons: transmit impulses to spinal cord and brains from all parts of the body
Interneurons:central or connecting neroun that conduce impulse from sensory neorons to motor neurone

Question 17

Stretch reflex

Answer 17

1. Rapid muscle stretch occurs
2. Impulse is sent to the CNS
3. CNS Activates motor neurons of muscle
4. Muscle contracts