Upper-body
Large, upper back muscle named for its shape.
Trapezius
Muscle on the anterior portion of the tibia.
tibialis anterior
Prime mover of shrugging your shoulders.
Trapezius
The thing that actin and myosin are.
myofilaments
What are the "thin filaments"
actin
Pulls the mandible downward.
platysma
adducts, medially rotates, and flexes thigh
adductor group
Prime mover of flexion at the knee.
Hamstrings
The attachment of a muscle tendon to a movable bone
insertion
Is myosin found in the lighter, "I bands" or the darker, "A bands"
A
Muscles between your ribs...
Intercostal muscles
Sartorius
Main muscle group used to do squats and leg extensions on the anterior of the body.
Quadriceps
What type of chemical is ACh
neurotransmitter
What is the zig-zag line between adjacent sarcomeres called?
Z disc
Set of muscles responsible for pulling the scapulae forward.
serratus anterior
Functions to stabilize the pelvis.
Gluteus medius/minimus
Name a prime mover and two synergists of pushups.
PM = pectoralis major
biceps, triceps, pec minor, brachialis
specialized endoplasmic reticulum of muscle cells
sarcoplasmic reticulum
What ion bonds to troponin to move tropomyosin out of the way and allow muscle contraction?
Calcium
Extends vertically along the vertebrae.
erector spinae
Thin muscle on the medial side of the thigh that aids in leg flexion and medial rotation of the leg.
Gracilis
Prime mover and a synergist of biting down on a tasty snack.
Masseter, temporalis
Muscle cell membrane
sarcolemma
What are sheet-like layers of connective tissue, similar to tendons, called?
aponeuroses