Luokat: Kaikki - joints - muscle - contraction

jonka Anthony Viera 12 vuotta sitten

261

Central topic

The text delves into various concepts related to neuromuscular functions, highlighting essential aspects of muscle actions and their control mechanisms. It discusses motor unit action potentials and the different stimuli, such as subthreshold, threshold, and maximal stimuli, that influence muscle responses.

Central topic

neuromuscular concepts

motor unit action potential sub threshold stimulus threshold stimulus sub maximal stimuli maximal stimulus latent period contraction/relaxation phase summation tetanus treppe passive/active tension

angle of pull
rotary,nonrotary,stabilizing,dislocating components
muscle length

Chapter One & Two

Fundamentals

shape size # of divisions location direction of its fibers points of attachment action

PNS

responsible for nerves sensing signals and sending them out as impulses throughout body afferent nerves efferent nerves dermatome myotome
neurons dendrites axon sensory,motor,interneurons

CNS

the brain functions as control center, diff. levels of control within the brain cerebral cortex basal ganglia cerebellum brain stem

tying roles of muscles together

how muscles work together to perform action of free-throw better

Bones

Long Short flat
what is the purpose of each bone

movements in Joints

abduction addiction flexion extension
do the joints roll or glide

anatomical planes and axis

Planes frontal sagittal transverse oblique
Axis frontal longitudinal sagittal oblique

Proprioception & Kinesthesis

conscience awareness of body position sun conscience awareness to regulate posture myotatic or stretch reflex

Role of Muscles

Agonist antagonist stabilizers synergist neutralizers force couples

Muscle Contraction

isokinetics static/dynamic concentric eccentric
Subtopic

muscle terminology

intrinsic extrinsic origin insertion isometric

Muscle tissue properties

muscle shape fiber arrangement
flat fusiform strap radiate sphincter unipennate bipennate multipennate

parallel pennate

irritability contractility extensibility elasticity