Soc 14- The Muscular System Flashcards
Where is the deltoid located?
In the uppermost part of the arm or start or the shoulder
What is the function of the Pectoralis major?
Adducts the arm at the shoulder
What muscles function is to adduct and extend the arm at the shoulder?
Latissimus dorsi
Where are the biceps located?
Front of the upper arm
What is the triceps function?
Extend the arm at the elbow
What is the function of the external obliques?
Pull the chest downwards;flex and rotate the spinal column; one side contracting creates a side bend
Where are the gluteals located?
From the buttocks, attaches to the femur
In what sporting example would the hip flexors be used?
Lifting knees high in sprinting
What is the function of the quadriceps?
Extends leg at the knee
Where are the hamstrings located?
Found on the back of the leg, stretching from the bottom part of the pelvis to the tibia
What is the function of the gastrocnemius?
Points the toes (plantar-flexes the ankle) help flex the knee
Where is the tibialis anterior located?
Runs down from the shin
Myoglobin
A red pigment in the muscle tissues that transports oxygen around the body when injury occurs
What are muscle fibres?
They make up our voluntary muscles; divided into 3 main groups
What are Type 1 fibres?
Type 1 fibres are slow twitch muscle fibres suited to low intensity work
