Joints & Movements
This joint type allows movement in all directions and is found in the shoulder
ball-and-socket joint
The thin filament protein in a sarcomere
actin
Prime mover for chewing
masseter
Primary forearm flexor
biceps brachii
Part of a neuron that receives signals
dendrites
Movement of the arm toward the body
adduction
The connective tissue surrounding a fascicle
perimysium
Muscle that abducts the arm at the shoulder
deltoid
Tendon connecting calf muscles to the heel
Achilles tendon
Gaps between myelin segments
nodes of Ranvier
Circular movement of a limb, like making a cone with your arm
circumduction
The connective tissue surrounding the entire muscle
epimysium
Large back muscle that elevates or depresses the scapula
trapezius
Deep calf muscle for plantarflexion
soleus
Brain region for thinking and memory
cerebrum
Moving the arm away from the midline of the body
abduction
Muscle fibers are surrounded by this connective tissue
endomysium
Muscle used for blinking
orbicularis oculi
Muscle that flexes the hip and extends the knee
rectus femoris
Connects left and right cerebral hemispheres
corpus callosum
The ligament that prevents posterior movement of the tibia
Hint: ACL, PCL, or MCL
PCL (posterior cruciate ligament)
The plasma membrane of a muscle fiber
sarcolemma
Muscle that elevates the ribs during forced inspiration
external intercostals
Muscle that plantarflexes the foot
gastrocnemius
Spiral structure in the inner ear for hearing
cochlea