What are 4 main functions of the muscular system?
Movement, Stabilize joints, maintain posture, and generate heat
What is the sliding filament theory?
explanation for how muscles contract to produce force
what muscle is located in the upper arm between the shoulder and elbow?
Biceps
Pain caused by overuse along the shinbone, the large front bone in the lower leg.
Shin splints
What do prime movers do?
Cause or inhibit a reaction
Is muscular movement of our body voluntary or involuntary?
Both!!!
actin and myosin filaments within the sarcomeres of muscle fibres bind to create what?
Cross-Bridges
Where is the trapezius muscle located?
extends longitudinally from the occipital bone to the lower thoracic vertebrae of the spine and laterally to the spine of the scapula.
Is there a cure for muscular dystrophy
No cure but treatment is possible
how many muscles are in the human body
700
what is the function of the triceps
extensor muscle of the elbow joint and an antagonist of the biceps and brachialis muscles.
Does Calcium block or clear up active site of the actin?
Clears it up
The periosteum covers all bones except:
long bones
most common signs and symptoms of Fibromyalgia include:
Widespread muscle pain and tenderness
The muscular system makes up how much of the body weight?
40%
What does the hamstring do?
extend the hip when the trunk is fixed; also flex the knee and medially (inwardly) rotate the lower leg when the knee is bent.
actin and myosin filaments within the sarcomeres of muscle fibres bind to create what?
Crossbridges
in between the hip and the knee, In quadrupeds, this muscle is the single large tendon found behind the knee or comparable area.
Hamstring
What muscles work to close a joint?
Flexor
No sireeee
what binds with myosin when the crossbridge detaches
ATP
What muscle is attached to the mandible (jaw) and to the skull’s temporal bone
Temporal bone
what is the strongest muscle in the human body based on weight?
The masseter