Ch.10 Muscle tissue and Ch 11. muscular system

H band

H band

has thick filaments but no thin filaments

rigor mortis

fixed muscular contraction after death

glossus

term that means tongue

transverse process ( cervical vertebrae)

origin of scalene muscles

Buccinator Muscle

trumpeter muscle

Masseter Muscle

Strongest jaw muscle

Triad

One T-tube and two terminal cisternae

slow fibers

Fibers that contract slowly , have small diameter

Synergist

a muscle that is a helper or assists in the main muscle in performing its job

Troponin

A protein that calcium bind to, during muscle contraction

Risourius Muscle

Laughter muscle

Titin

Elastic proteins that stabilize thin and thick filaments in a muscle

Fascicle

A bundle of muscle fibers

sarcomere

The contractile/ repeating units of a muscle fiber

Complete Tetanus

Repeating muscle contractions without periods of relaxation

Radius

The bone that is considered the insertion point of the pronator teres muscle

ishium

The bone that is considered the origin of the hamstring muscles

Creatine Phosphate

the storage molecule for excess ATP

Cori Cycle

The process by which lactic acid is removed and recycled by the liver

Tropomyosin

The protein that is covered by troponin during muscle relaxation

Pennate

Muscle fascicles that approach a tendon in a slanted/ oblique fashion

Subscapularis Muscle

Rotator cuff muscle on the anterior of the scapula

Humerus

The bone that is considered the insertion point of the rotator cuff muscles

Aerobic Metabolism

The metabolic process that produces 34 ATPs per glucose molecule

Tendon

Endomysium, perimysium and epimysium come together to form this connective tissue

Applied force

On a lever this structure represents a muscle

convergent

Muscle fascicle that allows fibers to pull in different directions

Ilium

This bone is considered the origin of the gluteus maximus m. gluteus medius m. and gluteus minimus m

concentric

This type of contraciton causes the muscle to shorten because the tension is greater than the load

Maxilla

The bone that is the origin of the inferior oblique muscle of the eye

Sphenoid

The bone that is the origin of the lateral rectus muscle of the eye

Oxygen debt

Oxygen required after vigorous exercise to normalize metabolic activities

fast fibers

Fibers that contract quickly, and have large diameter and large glycogen reserves

circular

muscle fascicles that are considered sphincters and guard openings in the body

scalenes

muscles that flex and elevate the ribs

Extensors of knee

function of quadriceps muscles

dorsiflextion

function of tibialis anterior muscle

Superior oblique m. and inferior oblique m.

Muscles of the eye that are eye rollers

Acetycholine

neurotransmitter produced that allows signal to carry over to another neuron or organ

sarcoplasmic reticulum/ terminal cisternae

location of storage for calcium ions Ca2+ in a muscle

perimysium

connective tissue layer that surrounds fascicles

Anaerobic glycolysis

the mebtaboic process that produces 2 ATPs per glucose molecule

myosin

protein found on thick filaments

Actin

protein found in thin filaments

Elbow

common term for the medical terminology Ancon

insertion

Term for a moving point of attachment

origin

Term for a fixed point of attachment

Rectus

medical terminology for the term straight

isometric

The type of contraction where the lenght of the muscles stays the same

Temporal bone ( mastoid process )

this bone is considered the insertion point of the sternocleidomastiod muscle

femur

This bone is considered the insertion point for the gluteus maximus, gluteus medius and gluteus minimus m.

capitis

medical terminology for head

Temporal bone ( Styloid process)

This bone is considered the the origin of the styloglossus muscle

mandible

this bone is considered the origin of the genioglossus muscle.

endomysium

Connective tissue layer that covers an individual muscle

gluteal muscles

Muscles that rotate the leg

scapula

this bone is considered the origin of the biceps brachii muscle

calcium

The molecule that binds to troponin during muscle contraction

Ulna

this bone is considered the insertion point for the triceps brachii muscle

agonist

A muscle responsible for a particular movement ( main/ prime movement )