Notes in MSS Week 3

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Status	Last Update	Fields
Published	08/12/2024	Strength of stimulus,frequency of stimulus,muscle length relative to resting length,size of muscle fibre
Published	08/12/2024	Due to level of overlap of actin and myosin and subsequent ability to form cross-bridges and due to the amount of shortening possible
Published	08/12/2024	80-120% of resting length
Published	08/12/2024	slightly stretched
Published	08/12/2024	1 alpha motor neuron and all the muscle fibres which it innervates
Published	08/12/2024	In a single motor unit every single muscle cell will contract when the motor neuron is excited
Published	08/12/2024	Contraction of a single motor unit due to a single AP
Published	08/12/2024	latent period,contraction period,relaxation period
Published	08/12/2024	Neural stimulation ends and calcium is re-sequestered into SR
Published	08/12/2024	A phenomenon observed in muscles which have been at rest for a long period. Contraction force increases for stimuli of the same strength with successi…
Published	08/12/2024	Resting calcium levels in sarcoplasm increase after every twitch,twitches create heat which provides optimal temperature for Myosin ATPase
Published	08/12/2024	increase frequency of stimulation to motor unit, increase strength of stimulus to muscle
Published	08/12/2024	single twitch,unfused tetanus,fused tetanus
Published	08/12/2024	twitch,wave summation,unfused/incomplete tetanus,fused/complete tetanus
Published	08/12/2024	The stronger the stimulus, the more motor units engage
Published	08/12/2024	small
Published	08/12/2024	threshold
Published	08/12/2024	axon diameter (bigger = high threshold)
Published	08/12/2024	An increase in tension with a constant fibre length (iso = same; metric = length)
Published	08/12/2024	A change in length with a constant tension (iso = same' tonic = tone/tension)
Published	08/12/2024	Cable pulls
Published	08/12/2024	plank and add weight to back
Published	08/12/2024	Muscle shortens while doing work
Published	08/12/2024	Muscle lengthens while doing work
Published	08/12/2024	eccentric contraction
Published	08/12/2024	Stored ATP:Hydrolised ATP stored in myosin heads,ATP in sarcoplasm,Synthesised ATP:Creatine phosphate,Glycolysis,Aerobic respiration
Published	08/12/2024	Creatine phosphate is dephosphorylated to phosphorylate ADP to ATP. This happens at a 1:1 ratio
Published	08/12/2024	-15s-30-60s-Hours
Published	08/12/2024	-energy from stored ATP in muscles-ATP from CP(creatine phosphate)-glycolysis (anaerobic)-cellular respiration
Published	08/12/2024	No oxygen required
Published	08/12/2024	Type I - slow oxidativeType IIB - fast glycolyticType IIA - fast oxidative glycolytic
Published	08/12/2024	A protein which delivers oxygen in muscle and gives muscle its red colour
Published	08/12/2024	"physiological inability to contract even though themuscle is still being stimulated"
Published	08/12/2024	This is the sustained elevation in heart rate and respiration to replenish depleted oxygen stores and oxygen required to replenish: ATP, creatine phos…
Published	08/12/2024	Lactic acid in blood filtered in liver -> gluconeogenesis converts lactate into glucose (using energy from beta-oxidation) -> glucose is stored as gly…
Published	08/12/2024	Following high intesity exercise, muscles increase in size due to cells size increase (not number)
Published	08/12/2024	Muscle repair after injury uses satellite cells which differentiate into new muscle cells
Published	08/12/2024	Reduction in size and number of myocytes
Published	08/12/2024	Generalised muscle wasting associated with diseases
Published	08/12/2024	Muscle wasting due to aging
Status	Last Update	Fields