Muscle Function Joint Origin Insertion Movement Synergists Antagonists
Frontal Prime Mover None Occipital Bone Skin of eyebrow Raises eyebrow ? ?
Orbicularis oculi Prime Mover None Maxilla and Frontal Bone (Encircles eye) Maxilla and Frontal Bone (Encircles eye) Closes eye ? ?
Orbicularis Oris Prime Mover None Encircles Lips Encircles Lips Draws lips together ? ?
Zygomaticus Prime Mover None Zygomatic Angle of mouth & upper lip Elevates corners of mouth and upper lip ? ?
Masseter Prime Mover Temporomandibular Zygomatic Mandible Closes Jaw Temporal ?
Temporal Prime Mover Temporomandibular Temporal Mandible Closes Jaw Masseter ?
Sternocleidomastoid Prime Mover Axis / Atlas Pivot Sternum & Clavicle Mastoid Process Rotates and flexes head & neck Trapezius Opposite sternocleidomastoid
Trapezius Prime Mover Axis / Atlas Pivot Skull & Upper vertebrae Scapula Extends head and neck Sternocleidomastoid Sternocleidomastoid
Pectoralis Major Prime Mover Shoulder Sternum, clavicle, and upper rib cartilages Humerous Flexes and helps adduct upper extremities Latissiumus dorsi Deltoid
Latissimus Dorsi Prime Mover Shoulder Vertebrae & Ilium Humerous Extends and helps adduct upper arm Pectoralis majpr Deltoid
Deltoid Prime Mover Shoulder Clavicle and scapula Humerous Abducts upper arm ? Latissimus dorsi & pectoralis major
Biceps brachii Prime Mover Elbow Scapula Radius Flexes elbow ? Triceps Brachi
Triceps brachi Prime Mover Elbow Scapula & Humerous Ulna Extends elbow ? Biceps Brachi
External oblique Prime Mover None Lower rib cage Midline of abdomen Compresses abdomen Internal obliques & transverse abdominis ?
Internal oblique Prime Mover None Pelvis Midline of abdomen Compresses abdomen External obliques & transverse abdominis ?
Transverse Abdominis Prime Mover None Ribs, vertebrae, and pelvis Midline of abdomen Compresses abdomen External & Internal Obliques  
Rectus Abdominus Prime Mover Spinal Column Pubis Lower Rib Cage Flexes Trunl ? ?
Iliopsoas Prime Mover Hip Ilium & vertebrae Femur Flexes thigh or trunk ? ?
Sartorius Prime Mover knee Ilium Femur Flexes thigh & rotates lower leg ? ?
Gluteous Maximus Prime Mover Hip Ilium, sacrum, and coccyx Femur Extends thigh ? ?
Adductor longus Prime Mover Hip Pubis Femur Adducts thigh Adductor gracilis ?
Adductor gracilis Prime Mover Hip Pubis Tibia Adducts thigh Adductor Pectinius ?
Adductor Pectinius Prime Mover Hip Pubis Femur Adducts thigh Adductor longus Rectus Femoris
Hamstring semimembranosus Prime Mover Knee Ishium Tibia Flexes knee H. semitendinosus & Biceps femoris Vastus lateralis
Hamstring semitendinosus Prime Mover Knee Ishium Tibia Flexes knee H. semimembranosus & Biceps femoris Vastus intermedius
Biceps femoris Prime Mover Knee Ishium & Femur Fibula Flexes knee H. semitendinosus & H. semiteninosus Rectus Femoris
Rectus Femoris Prime Mover Knee Ilium Tibia Extends knee vastus group Hamstring semimembranosus
Vastus lateralis Prime Mover Knee Femur Tibia Extends knee Rectus femoris & other vastus Hamstring semitendinosus
Vastus intermedius Prime Mover Knee Femur Tibia Extends knee Rectus femoris & other vastus Biceps femoris
Vastus medialis Prime Mover Knee Femur Tibia Extends knee Rectus femoris & other vastus  
Tibialis anterior Prime Mover Ankle Tibia Metatarsals Dorsiflexes ankle ? Gastrocnemius & soleous
Gastrocnemius Prime Mover Ankle Femur Calcaneous Plantar flexes ankle Soleus Tibialis anterior
Soleus Prime Mover Ankle Tibia & Fibula Calcaneous Plantar flexes ankle Gastrocnemius Tibialis anterior
Peroneus longus Prime Mover Ankle Tibia & Fibula Tarsal and metatarsals Plantar flexes ankle Gastrocnemius Tibialis anterior
Peroneus brevis Prime Mover Ankle Tibia & Fibula Tarsal and metatarsals Plantar flexes ankle Gastrocnemius Tibialis anterior
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