Statistics for Muscles of Bodybuilding

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Location	Muscle	Function	% Correct
Upper Leg	Biceps Femoris	Knee Flexion, Hip Extension	99%
Arm	Biceps Brachii	Elbow Flexion	98%
Arm	Triceps Brachii	Elbow Extension	98%
Shoulder	Deltoid	Shoulder Flexion, Abduction, and Extension	81%
Upper Leg	Rectus Femoris	Hip Flexion, Knee Extension	77%
Upper Leg	Vastus Intermedius	Knee Extension	76%
Upper Leg	Vastus Lateralis	Knee Extension	76%
Upper Leg	Vastus Medialis	Knee Extension	76%
Back	Latissimus Dorsi	Humerus Adduction/Extension/Internal Rotation	71%
Lower Leg	Gastrocnemius	Plantar Flexion	69%
Lower Leg	Soleus	Plantar Flexion	69%
Front	Rectus Abdominis	Spinal Flexion	65%
Back	Trapezius	Scapula Retraction/Elevation	65%
Front	Pectoralis Major	Humerus Adduction	63%
Upper Leg	Gluteus Maximus	Hip Extension	58%
Upper Leg	Semimembranosus	Knee Flexion, Hip Extension	54%
Upper Leg	Semitendinosus	Knee Flexion, Hip Extension	54%
Front	Obliques	Spinal Flexion/Rotation	34%
Arm	Brachialis	Elbow Flexion	33%
Back	Erector Spinae	Spinal Extension	33%
Back	Rhomboids	Scapula Retraction	28%
Arm	Brachioradialis	Elbow Flexion	20%
Back	Teres Major/Minor	Humerus Adduction/Extension/Internal Rotation	20%