Muscular system #1
The main job of the gluteus Maximus
What is hip extension
Very large and important muscle in rowing, swimming, and boxing; found in lower back
Latissimus dorsi
This muscular disorder causes weakening of the heart muscle tissue
What is cardiomyopathy
The strong, tough, connective tissue cord that attaches muscles to bones
What is tendon?
How many muscles are there in the body? (over _________)
Over 600
Muscle that acts as the agonist in shoulder abduction
Deltoid
The only quadricep muscle to cross the hip and the knee
What is the rectus femurs
Doing a wall sit is an example of a __________ muscle contraction
What is isometric
Muscle contract when a specific type of cell called a _______________ transmits information and gives it a command
What is a motor neuron
The biceps femurs, semitendinosis, and semimembranosus make up the muscle group called the
What are the hamstrings
Muscle that flexes the trunk in forward flexion
rectus abdominis
This muscle adducts (brings together) your arm and is found on the front of the chest
What is Pectoralis major?
The energy molecule needed for a muscle to contract
What is ATP
Name 4 of the 6 muscle disorders that you will be tested on tomorrow.
Multiple Sclerosis, Parkinson's Disease
Muscular dystrophy, Myasthenia Gravis
Cardiomyopathy, Dermatomyositis
The 4 large muscles on the front of the thigh (collectively known as)
What is quadriceps?
The muscle on the upper back and neck that extends the head and moves the shoulder girdle in many movements
What is trapezius?
This type of muscle contraction causes the muscle to contract and relax, producing a length change and movement
What is isotonic
Red pigment that carries oxygen in some muscle fibers
What is myoglobin
Name the number of types of muscle tissue and their names
Smooth, Cardiac, and Skeletal
this muscle rotates the head
sternocleidomastoid
Flexes the elbow joint and works as the antagonist in elbow extension
biceps brachii
The peroneus longs and tibialis anterior muscles move this joint
What is the foot/ ankle
This type of muscle tissue is smaller in diameter, darker in color, and best suited for endurance activities.
What are slow twitch fibers
The group of muscles that strengthen your back and hold your spine upright
Erector Spinae Group