Skeletal Muscles Flashcards
Sternocleidomastoid
Innervation: Acessory Nerve
Action: Rotates The Head
Occipitalis
Innervation: Facial Nerve
Action: Retracts Scalp
Frontalis
Innervation: Facial Nerve
Action: Elevates Eyebrows
Temporalis
Innervation: Trigeminal Nerve
Action: Elevates and Retracts Mandible
Orbicularis Oculi
Innervation: Facial Nerve
Action: Closes Eye
Orbicularis Oris
Innervation: Facial Nerve
Action: Compresses lips
Buccinator
Innervation: Facial Nerve
Action: Compresses Cheeks
Masseter
Innervation: Trigeminal Nerve
Action: Elevates Mandible
Corrugator Supercilli
Innervation: Facial Nerve
Action: Creates verticle wrinkles above the nose
Splenius Capitis
Action: Rotates and extend the head
Scalenes
Elevates ribs
Levator Scapulae
Elevates Scapula
Erector Spinae group
Extends vertebral column and neck
External Abdominal Oblique
Lateral Flexation
Internal Abdominal Oblique
Lateral Flexation
Transverseus Abdominus
Lateral flexation
Rectus Abdominus
Flexes Vertebral Column
Pectoralis Minor
Protracts and depresses the scapula
Serratus Anterior
Scapula protraction
Rhomboids
Elevates and retracts scapula
Latissimus Dorsi
Arm Extension
Pectoralis Major
Arm Flexation
Teres Major
Extends, Adducts arm
Subscapularis
Medially rotates arm
Supraspinatus
Abducts arm
Infraspinatus
Adducts and laterally rotates arm
Psoas Major
Flexes Thigh
Tensor Facia Latae
Abducts and medially rotates thigh
Tibialis Anterior
Dorsiflexes and inverts foot
Soleus
Planter Flexes Foot
Trapezius
Innervation: Acessory Nerve
Action: Elevates, retracts, and depress scapula
External Intercostals
Innervation: Intercostal Nerve
Action: Elevates the Ribs
Internal Intercostals
Innervation: Intercostal Nerve
Action: Depresses The Ribs
Diaphragm
Innervation: Phrenic Nerve
Action: Expansion of thoracic cavity
Teres Minor
Innervation: Axillary Nerve
Action: Adducts and latterally rotates arm
Gluteus Maximus
Innervation: Inferior Gluteal Nerve
Action: Extends and laterally rotates thigh
Gluteus Medius
Innervation: Superior Gluteal Nerve
Action: Abducts and medially rotates thigh
Gluteus Minimus
Innervation: Superior Gluteal Nerve
Action: Abducts and medially rotates thigh
Gastrocnemius
Innervation: Tibial Nerve
Action: Flexes Leg
Soleus
Innervation: Tibial Nerve
Action: Planter Flexes Foot
Deltoid
Origin: Clavicle, Scapula
Insertion: Humerus
Innervation: Axillart Nerve
Action: Arm Abduction
Biceps Brachii
Origin: Scapula
Insertion: Radius
Innervation: Musculocutaneous Nerve
Action: Flexes Forearm
Triceps Brachii
Origin: Scapula, Humerus
Insertion: Ulna
Innervation: Radial Nerve
Action: Forearm extension
Brachialis
Origin: Humerus
Insertion: Ulna
Innervation: Musculocutaneous Nerve
Action: Forearm Flexation
Brachioradialis
Origin: Humerus
Insertion: Radius
Innervation: Radial Nerve
Action: Flexes Forearm
Sartorius
Origin: Ilium
Insertion: Tibia
Innervation: Femoral Nerve
Action: Flexes and lateraly rotates Thigh
Gracilis
Origin: Pubis
Insertion: Tibia
Innervation: Obturator Nerve
Action: Adducts and flexes thigh, Flexes leg
Pectineus
Origin: Pubis
Insertion: Femur
Innervation: Femoral and Obturator Nerve
Action: Adducts and flexes thigh
Adductor Brevis
Origin: Pubis
Insertion: Femur
Innervation: Obturator Nerve
Action: Adducts and flexes thigh
Adductor Longus
Origin: Pubis
Insertion: Femur
Innervation: Obturator Nerve
Action: Adducts and Flexxes Thigh
Adductor Magnus
Origin: Pubis and Ischium
Insertion: Femur
Innervation: Obturator and Tibial Nerve
Action: Flexes and Extends thigh
Rectus Femoris
Origin: Ilium
Insertion: Patella, Tibia
Innervation: Femoral Nerve
Action: Flexes thigh, Extend Leg
Vastus Lateralis
Origin: Femur
Insertion: Patella, Tibia
Innervation: Femoral Nerve
Action: Extends Leg
Vastus Intermedius
Origin: Femur
Insertion: Patella, Tibia
Innervation: Femoral Nerve
Action: Extends Leg
Vastus Medialis
Origin: Femur
Insertion: Patella, Tibia
Innervation: Femoral Nerve
Action: Extends Leg
Biceps Femoris
Origin: Ischium, Femur
Insertion: Fibula
Innervation: Tibial and Common Fibular Nerve
Action: Extends tigh Flexes leg
Semitendinosus
Origin: Ischium
Insertion: Tibia
Innervation: Tibial Nerve
Action: Extends Thigh, Flexes leg
Semimembranosus
Origin: Ischium
Insertion: Tibia
Innervation: Tibial Nerve
Action: Extends thigh, Flexes leg
List The Muscles Of The Hamstrings:
Biceps Femoris, Semimembranosus, Semitendinosus
List The Muscles Of The Rotator Cuff
Teres Minor, Subscapularis, Supraspinatus, Infraspinatus
List The Muscles Of The Quadriceps Femoris
Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius