skeletal muscle

actin

Cellular contractile protein

• myosinMotor protein enabling contraction
• troponinMuscle regulatory protein complex
• acetylcholineNeurotransmitter for muscles and memory

ATP · tetanus · summation · relaxation · isometric · isotonic · concentric · eccentric · power stroke · rigor

fascicle

Section of a book

• tendonMuscle-to-bone connector
• originStarting point or source
• insertionPlacing something within

striation · biceps · triceps · quadriceps · deltoid · gastrocnemius · hamstring · pectoralis

hypertrophy

Tissue enlargement via cells

• atrophyWasting from disuse
• resistance trainingExercise against opposing force
• weightliftingSport of hoisting barbells

bodybuilding · strength training · progressive overload · gains · repetitions · sets · recovery · conditioning · plyometrics · calisthenics

locomotion

Ability to travel independently

• gaitLocomotion pattern
• ambulationMovement by walking
• coordinationOrganized cooperative movement

posture · balance · flexion · extension · abduction · adduction · rotation · pronation · supination · dorsiflexion

dystrophy

Degenerative tissue disorder

• myopathyDisorder of muscle tissue
• crampPainful muscle seizure
• spasmInvoluntary muscle contraction

fibrosis · inflammation · myositis · cachexia · compartment syndrome

nucleus

Central controlling part

• mitochondriaCell's energy-producing organelles
• myoglobinMuscle's oxygen-binding protein

oxidative

Involving electron removal

• excitable cellsneurons, nerve cells, motor neurons, sensory neurons, interneurons
• musculoskeletalbone, bones, joint, joints, tendon
• muscle systembiceps, triceps, deltoid, deltoids, quadriceps
• musclesbiceps, triceps, abs, hamstrings, quads
• tissuesadipose, neural tissue, cardiac tissue, fibrous tissue, bone
• body tissuestissue, connective tissue, bone, cartilage, fat