The Muscular System Flashcards
What is the main action of the gluteals
Pull legs backwards
Where are the hamstrings located in the body
On the back of leg and stretch from the bottom part of the pelvis to the tibia
Main action of the hamstrings
Running
Where is the gastrocnemius located
Form part of the calf muscle, comes fro the back of the femur and slopes at the back of the ankle
Main action of the gastrocnemius
Point toes away from the foot resulting in a slight spring in step
Where is the trapezius located
Attached to the head and the neck at the top and below the shoulder
Main action of the trapezius
Lift the shoulders and braces it back and rotates scapula (shoulder blades)
Where is the latissimus dorsi
Broad sheet of muscle which extends from the lower region of the spine to the humorous
Main action of the latissimus dorsi
Abducts the arms and rotates them
When are the triceps located
Back of the arm, when the arms is straightened triceps contracts whilst biceps relax
Main action of the triceps
Throwing action
Where are the deltoid located in the body
Shoulders
Main action of the deltoids
Gives the shoulder a rounder shape, raises arms
Where are the quadriceps located
Top of each leg at the front
Main action of the quadriceps
Straighten the legs at knees
Where are the biceps located
Front of the upper arm
Main action of biceps
When arm is bent biceps contract, whist triceps relax, throwing actions
Where are the pectorals located
Upper let of the chest at the front
Main action of pectorals
Raise arms up sideways and across the chest at the shoulders
Where are the abdominals located
Front of the body in the middle just below the chest
Main action of the abdominals
Pull in the abdomen and bend the spine so you can move forwards
Antagonistic pairs
A pair of muscles that work together
Flexion
Bending if the arm
Origin
Where the tendon do the muscle join a stationary bone