Muscles 1
These muscles are voluntary in nature.
Skeletal
Having no control over the action of a muscle is known as?
Involuntary
It is a very important muscle in rowing, swimming, and boxing.
Latissimus dorsi
The antagonist to the quadriceps.
Hamstrings
The strong, tough, connective tissue cord attaches muscles to bones.
Tendon
How many muscles are there in the body? Approx.
Over 600
Muscles are comprised of this macro molecule (about 80%)
Protein
The muscle on the buttocks extends to the thigh.
Gluteus maximus
Name the 4 main functions of the muscular system.
Produce Movement, Maintain Posture, Stabilize Joints, Generate Heat
What is the correct terminology for muscle growth (increasing muscle fibres)
3 places involuntary muscles can be found?
Stomach, intestines, bladder, blood vessels, uterus and walls of the heart e.g.
This muscle attaches at the sternum and humerus
Pectoralis Major
Medial Deltoid
Exhausting the energy or oxygen supply to muscles may result in this.
Fatigue
Name a muscle used for trunk flexion
Rectus Abdominus, External Oblique or Erector Spinae
The 4 large muscles on the front of the thigh (collectively known as)
Quadriceps
The muscle on the upper back and neck - it extends the head and moves the shoulder.
Trapezius
This allows plantar flexion of the foot and is found in the back of the leg.
It is the ability of a muscle to respond to a stimulus.
Excitability
It is the ability of a muscle to return to its original shape.
Elasticity
2: Use the greatest range of motion
3: Use muscles in the correct sequence
4: Use muscles with the correct timing
Flexes the elbow joint and works in conjunction with the triceps brachii.
Biceps brachii
It is the ability of a muscle to recoil back to original shape after lengthening.
Elasticity
These muscles move against the agonist during contraction (they are extended or flexed)
Antagonist
Movement when the palms of the hands face downward
Pronation