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61 Cards in this Set
- Front
- Back
Masseter:
Origin/Insertion/Action |
Origin: Zygomatic arch
Insertion: Mandibular angle Action: Elevates mandible |
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Temporalis:
Origin/Insertion/Action |
Origin: Temporal fossa
Insertion: Coronoid process of mandible Action: Elevates and retracts mandible |
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Sternocleidomastoid:
Origin/Insertion/Action |
Origin: Manubrium of sternum; Sternal end of clavicle
Insertion: Mastoid process Action: Laterally rotate and flex head (up and away); forced inhalation |
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Buccinator
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Presses cheeks against teeth and lips (blowing or sucking)
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Orbicularis oris
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Closes and protrudes lips (kissing)
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Orbicularis oculi
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Closes eye
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Platysma
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Depresses mandible
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Trapezium:
Origin/Insertion/Action |
Origin: Occipital bone, ligamentum nuchae, and spines C7 and all thoracic vertebrae
Insertion: Continuous insertion along acromion, spine of scapula, and lateral third of clavicle Action: Raise, rotate and retract the scapula |
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Serratus Anterior:
Origin/Insertion/Action |
Origin: Ribs 1-8
Insertion: Entire anterior surface of vertebral (medial) border of scapula Action: Protract and hold scapula against chest wall |
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Diaphragm
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Increases thoracic cavity (inhalation)
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External intercostals
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Elevates the ribs (inhalation)
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Internal intercostals
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Depresses the ribs (exhalation)
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Levator ani
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Supports pelvic viscera, elevates and retracts the anus
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Internal oblique
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Compress abdomen; flex, laterally flex, and rotate vertebral column
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External oblique
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Compress abdomen; flex, laterally flex and rotate vertebral column
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Transverse abdominis
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Compresses abdomen
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Rectus abdominis
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Compresses abdomen, Flexes vertebral column
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Aponeurosis of external oblique
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CT
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Inguinal ligament
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CT
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Linea alba
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CT
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Thoracolumbar fascia
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CT
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Biceps brachii: Origin/Insertion/Action
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Origin:
Short head -- coracoid process Long head -- supraglenoid tubercle Insertion: Common tendon into radial tuberosity Action: Flexes and supinates forearm; flexes arm |
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Brachialis:
Origin/Insertion/Action |
Origin: Front distal half of humerus; embraces insertion of deltoid
Insertion: Coronoid process of ulna and capsule of elbow joint Action: Flexes forearm |
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Brachioradialis:
Origin/Insertion/Action |
Origin: Lateral supracondylar ridge of humerus
Insertion: Styloid process of radius Action: flexes forearm |
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Deltoid:
Origin/Insertion/Action |
Origin: Embraces insertion of trapezius; acromial end of clavicle, spine, and acromion of scapula
Insertion: Deltoid tuberosity of humerus Action: Arm abduction (when all fibers contract simultaneously) |
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Latissimus dorsi:
Origin/Insertion/Action |
Origin: Thoracolumbar fascia, spines of lower six thoracic vertebrae, lumbar vertebrae, lower 3-4 ribs, crests of sacrum and ilium
Insertion: Spirals around teres major to insert in floor of intertubercular suclus of humerus Action: Extends, adducts, medially rotates arm |
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Pectoralis major
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Origin: Clavicle, sternum, cartilage of ribs 1-6, and aponeurosis of external oblique muscle
Insertion: greater tubercle of humerus Action: Arm flexion, adduction, and medial rotation |
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Tripcs brachii:
Origin/Insertion/Action |
Origin:
Long Head: infraglenoid tubercle of scapula Lateral Head: posterior humerus Medial Head: posterior, distal humerus Insertion: by common tendon into olecranon process of ulna Action: Extends forearm and extends arm |
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Subscapularis
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Medially rotates arm
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Supraspinatus
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Arm abduction
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Infraspinatus
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Laterally rotates and adducts arm
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Teres minor
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Laterally rotates, extends and adducts arm
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Extensor carpi radialis longus
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Extends and abducts hand
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Extensor carpi ulnaris
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Extends and adducts hand
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Extensor digitorum
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Extends phalanges
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Flexor carpi radialis
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Flexes and abducts hand
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Flexor carpi ulnaris
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Flexes and adducts hand
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Palmaris longus
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Flexes hand
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Flexor Retinaculum
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Wrist - Palm side
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Extensor Retinaculum
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Wrist - Back side of hand
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Gluteus maximum:
Origin/Insertion/Action |
Origin: Dorsal ilium, sacrum, and coccyx
Insertion: Gluteal tuberosity and iliotibial band Action: Extends and laterally rotates thigh |
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Gluteus medius:
Origin/Insertion/Action |
Origin: Lateral surface of ilium
Insertion: Greater trochanter of femur Action: Abducts and medially rotates thigh |
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Biceps femoris:
Origin/Insertion/Action |
Origin:
Long Head: ischial tuberosity Short head: linea aspera Insertion: Common tendon into head of fibula and lateral condyle of tibia Action: Extends and laterally rotates thigh, flexes knee |
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Semimembranosus:
Origin/Insertion/Action |
Origin: Ischial tuberosity
Insertion: Medial condyle of tibia Action: Extends and medially rotates thigh, flexes knee |
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Semitendinosus:
Origin/Insertion/Action |
Origin: Ischial tuberosity
Insertion: proximal, medial surface of tibia Action: extends and medially rotates thigh, flexes knee |
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Rectus femoris:
Origin/Insertion/Action |
Origin: Anterior inferior iliac spine
Insertion: Patella and tibial tuberosity via patellar ligament Action: Extends leg, flexes thigh |
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Vastus intermedius:
Origin/Insertion/Action |
Origin: Anterolateral surface of femur
Insertion: Patella and tibial tuberosity via patellar ligament Action: Extends leg/knee |
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Vastus lateralis:
Origin/Insertion/Action |
Origin: Greater trochanter, intertrochanteric line, linea aspera
Insertion: Patella and tibial tuberosity via patellar ligament Action: Extends leg/knee |
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Vastus medialis:
Origin/Insertion/Action |
Origin: linea aspera, intertrochanteric line
Insertion: Patella and tibial tuberosity via patellar ligament Action: Extends leg/knee |
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Gracilis:
Origin/Insertion/Action |
Origin: inferior ramus of pubis
Insertion: just inferior to medial condyle of tibia Action: adducts, flexes, and medially rotates thigh |
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Sartorius:
Origin/Insertion/Action |
Action: anterior superior iliac spine
Insertion: medial condyle of tibia Action: flexes leg; flexes, abducts and laterally rotates thigh |
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Adductor magnus
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Action: Adducts and laterally rotates thigh
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Tensor fascia lata
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Action: Flexes and abducts thigh
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Gastrocnemius:
Origin/Insertion/Action |
Origin: by two heads from medial and lateral condyles of femur
Insertion: calcaneus via calcaneal tendon Action: plantar flexes foot; flexes leg/knee |
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Soleus:
Origin/Insertion/Action |
Origin: head & proximal shaft of fibula, and superior tibia
Insertion: calcaneus via calcaneal tendon Action: Plantar flexes foot |
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Tibialis anterior:
Origin/Insertion/Action |
Origin: lateral condyle and proximal shaft of tibia
Insertion: Medial cuneiform and first metatarsal bone Action: Dorsiflexion and inversion of foot |
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Peroneus (Fibularis) longus
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Action: Plantar flexion and eversion of foot
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Extensor digitorum longus
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Action: Dorsiflexion of foot, extension of phalanges
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iliotibial band
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CT
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Achilles' tendon
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CT
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Deep fascia lata of thigh
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CT
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