QUESTIONS WITH VERIFIED
ANSWERS GRADED A+ 2026
Located on the shoulder, actions are shoulder abduction, flexion and extension. -
answer-Deltoid
The thick fan shaped muscle, situated at the chest of the human body. Actions involve
flexion of the humerus - answer-Pectoralis Major
Located on the anterior wall of the abdomen. Actions involve flexion of the lumbar
spine. - answer-Rectus Abdominus
The largest of three muscles of the lateral anterior abdomen, actions involve rotation of
the torso - answer-External Oblique Muscles
A group of muscles located in the front of the thigh. Made up of four muscles called
vastus laterialis, vastus medialis, vastus intermedius and rectus femoris. The actions of
this group of muscles involve knee extension, however the rectus femoris does hip
flexion. - answer-Quadriceps femoris
The one of two muscles that extend longitudinally from the occipital bone to the lower
thoracic vertebrae and laterally to the spine of the scapula (shoulder blade). Actions
involve rotation, retraction, elevation and depression of the scapula. - answer-Trapezius
Large muscle located on the back of the upper arm, responsible for extenstion of the
elbow joint, and adducts arm - answer-Triceps Brachii
A large flat muscle on the of the back that stretches to the sides, behind the arm, and is
partly covered by the trapezius on the back near the midline. The actions Adducts,
extends and internally rotates the arm when the insertion is moved towards the origin. -
answer-Latissimus Dorsi
, The main extensor muscle of the hip , forms the shape of the buttocks. Actions involve
the external rotation and extension of the hip joint. - answer-Gluteus Maximus
The hamstring muscle group consists of three separate muscles; the semitendinosus,
semimembranosus and biceps femoris. They originate from the lower part of the pelvis
and insert into the back of the shin bone. When contracting they mainly bend the knee
and extend (straighten) the hip joint. - answer-Hamstrings
Is the most superficial and prominent of the calf muscles, made up of two muscular
regions, the medial and the lateral head. Actions of this muscle is the plantar flexion of
the foot, flexion of the knee. - answer-Gastrocnemius
Muscle runs from just below the knee to the heel. Actions involve plantarflexion. -
answer-Soleus
Helps with abduction (movement away from the midline of the body) and medial
(inward) rotation of the thigh at the hip. - answer-Gluteus Medius
a flexor of the hip. - answer-rectus femoris
Located on the medial side of the femur, extends and stabilises the knee - answer-
vastus lateralis
lies between vastus lateralis and vastus medialis on the front of the femur (i.e. on the
top or front of the thigh), actions: Extension of the knee. - answer-vastus intermedius
Located on the medial side of femur, it extends the the leg at the knee at the patella -
answer-Vastus Medialis