Essays Tagged: "muscle fibers"

Blood lactate and training to improve threshold

Type II muscle fibers oxidize lactate at a very fast rates. When muscle contraction produces a significant a ... released into the central circulation of the blood, and within seconds it is made available to that muscle for energy. Therefore, 75% of the lactate produced from high intensity exercise is made avail ... he lactate produced from high intensity exercise is made available for energy production in type II muscle fibers. The remaining 25% of lactic acid is used for energy in the heart, the make up of live ...

(5 pages) 84 0 5.0 Nov/1996

Subjects: Humanities Essays > Health & Medicine > Sports

Thyroids

KEY TERMSKey Terms and ConceptsThe Control of Movement1. Muscles and their movementsCategories of muscleSmoothSkeletal or striatedCardiacPrecise movements: f ... rdiacPrecise movements: few muscle fibers innervated by each axonNeuromuscular junctionAcetylcholineMuscle contractionAntagonistic musclesFlexorExtensorMyasthenia gravisAutoimmune attack on acetylchol ... cholinesterase (enzyme that breaks down acetylcholine)Prolongs action of acetylcholineFast and slow musclesFishRed, slow, resistant to fatiguePink, intermediate speed, moderately resistant to fatigueW ...

(3 pages) 69 0 3.0 Mar/2003

Subjects: Science Essays > Biology > Human Biology

Compare and contrast the conductive versus the conductive versus the contractile cardiac muscle fibers.

Compare and contrast the conductive versus the conductive versus the contractile cardiac muscle fibers. Describe their arrangement in the heart and explain the roles each play in the contra ... ly enriched with mitochondria)· T-tubules, SR· Pacemaker potential· If cardiac muscle is stretched, it causes stronger contractions.· No temporal summation, tetanus and no ... es stronger contractions.· No temporal summation, tetanus and no motor units.The myocardium (muscle heart) made up of mainly cardiac muscle forms most of the heart. Myocardium is the layer that ...

(2 pages) 29 0 4.3 Feb/2005

Subjects: Science Essays > Biology > Human Biology

The Contraction and Mechanism of Rabbit Muscle

s the energy for most of the energy consuming activities of the cell. The demonstration of skeletal muscle contraction was presented by A. F. Huxley, 1957. His hypothesis showed the importance of  ... hypothesis showed the importance of “the size of the power stroke in isometrically contracting muscle fibers” (Ferenczi 1). To better understand muscle contraction and muscle contraction ...

(4 pages) 29 0 3.0 May/2007

Subjects: Science Essays > Biology

Muscle, Genes And Athletic Performance

In this particular article we were asked to read it talked about muscle, genes and athletic performance. It was mainly focused on runners than any other sport. Also ... urice faster than that of the world's second fastest man. It says that this is due to the fact that muscle fibers are able to generate more power. This is due to the fact that contraction speed of the ... wer. This is due to the fact that contraction speed of the fibers in different bodies is different. Muscle contraction of the fibers is due to the way that different fibers break down adenosine tripho ...

(2 pages) 14 0 0.0 Dec/2001

Subjects: Science Essays > Biology

Steroid Use in Sports

iduals, which ends up affecting their life in the long run. ?A normal workout microscopically tears muscle fibers, triggering a chemical alarm in the form of a protein called IGF-I which calls nearby ... ue on the body so that the fluid can quickly be absorbed into the blood stream. The Gluteus Maximus muscle, also know as the ?butt? is a soft tissue where most will inject the syringe. This process is ...

(9 pages) 38 0 0.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Sports

Protein Intake for a Tennis Player Athlete

onditions (1). Modern tennis players have become power athletes and have developed structures where muscles and power in general are necessary to keep up with the pace of the contemporary game. Unlike ... keep up with the pace of the contemporary game. Unlike sprinters who must have a majority of type 2 muscle fibers, or endurance athletes who must have a majority of type 1 muscle fibers, tennis player ...

(5 pages) 1544 0 0.0 May/2009

Subjects: Science Essays