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90 Cards in this Set
- Front
- Back
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Masseter |
Origin: zygomatic arch Insertion: mandibular angle Action: elevates mandible |
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Temporalis |
Origin: temporal fossa Insertion: coronoid process of mandible Action: elevates & retracts mandible |
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Sternocleidomastoid |
Origin: manubrium of sternum; sternal end of clavicle Insertion: mastoid process Action: laterally rotate & flex head (up & away); forced inhalation |
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Buccinator |
Action: presses cheeks against teeth & lips |
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Orbicularis orbis |
Action: close & protrude lips |
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Orbicularis oculi |
Action: closes eye
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Occipitofrontalis |
Action: raises eyebrow |
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Platysma |
Action: depresses mandible |
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Trapezius |
Origin: occipital bone; ligamentum nuchae; spines of C7 & all thoracic vertebrae Insertion: continuous insertion along acromion; spine of scapula; lateral 1/3 of clavicle Action: raise, rotate, & retract scapula |
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Serratus anterior
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Origin: ribs 1-8 Insertion: entire anterior surface of vertebral border of scapula Action: protract & hold scapula against chest wall |
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Rhomboid major |
Action: elevate & retract scapula |
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Rhomboid minor |
Action: elevate & retract scapula |
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Which muscles elevate & retract the scapula |
Rhomboid major Rhomboid minor |
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Erector spinae |
Action: extends vertebral column |
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Diaphragm |
Action: increase thoracic (inhalation) |
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External intercostals |
Action: elevates the ribs (inhalation) |
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Internal intercostals |
Action: depresses the ribs (exhalation) |
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Levator ani |
Action: supports pelvic viscera; elevates & retracts the anus |
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Which muscles are responsible for inhalation & exhalation? |
Diaphragm (inhalation) External intercostals (inhalation) Internal intercostals (exhalation) |
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Internal oblique |
Action: compress abdomen; flex, laterally flex, & rotate vertebral column |
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External oblique |
Action: compresses abdomen; flex, laterally flex, & rotate vertebral column |
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Transverse abdominis |
Action: compresses abdomen |
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Rectus abdominus |
Action: compresses abdomen; flexes vertebral column |
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Which muscles are responsible for compressing the abdomen? |
Internal & external obliques Transverse abdominis Rectus abdominis |
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Which muscles are responsible for flexing the vertebral column? |
Internal & external obliques
Rectus abdominis |
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Where is the aponeurosis of external oblique? |
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Where is the inguinal ligament? |
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Where is the linea alba? |
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Where is the thoracolumbar fascia? |
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Which muscles retract the scapula? |
Rhomboids major & minor Trapezius |
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Biceps brachii |
Origin: (short head) coracoid process of scapula; (long head) supraglenoid tubercle
Insertion: radial tuberosity
Action: flexes & supinates forearm; flexes arm
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Brachialis |
Origin: front distal 1/2 of humerus; embraces insertion of deltoid Insertion: coronoid process of ulna; capsule of elbow joint Action: flexes forearm |
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Brachioradialis |
Origin: lateral supercondylar ridge of humerus Insertion: styloid process of radius Action: flexes forearm |
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Triceps brachii |
Origin: (long head) infraglenoid tubercle of scapula; (lateral head) posterior humerus; (medial head) posterior distal humerus Insertion: olecranon process of ulna Action: extends forearm; extends arm |
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Extensor carpi radialis longus |
Action: extends & abducts hand |
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Extensor carpi ulnaris |
Action: extends & adducts hands |
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Extensor digitorum |
Action: extends phalanges |
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Flexor carpi radialis |
Action: flexes and abducts hand |
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Flexor carpi ulnaris |
Action: flexes and adducts hand |
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Palmaris longus |
Action: flexes hand |
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Which arm muscles flex the forearm? |
Biceps brachii Brachialis Brachioradialis |
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Which muscles extend the hand? |
Extensor carpi radialis longus
Extensor carpi ulnaris |
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Which muscles flex the hand? |
Flexor carpi radialis Flexor carpi ulnaris Palmaris longus |
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Which muscles abduct the hand? |
Extensor carpi radialis longus Flexor carpi radialis |
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Which muscles adduct the hand? |
Extensor carpi ulnaris Flexor carpi ulnaris |
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What is the transverse carpal ligament on the palmar side of the hand near the wrist? |
Flexor retinaculum |
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What is the dorsal carpal ligament that holds the extensor muscles in place? |
Extensor retinaculum |
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Deltoid |
Origin: embraces insertion of trapezius; acromial end of clavicle; spine & acromion of scapula Insertion: deltoid tuberosity of humerus Action: arm abduction |
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Latissimus dorsi |
Origin: thoracolumbar fascia; spines of lower 6 thoracic vertebrae; lower 3-4 ribs; crests of sacrum & ilium Insertion: spirals around teres major to insert in floor of intertubercular sulcus of humerus Action: extends, adducts, & medially rotates arm |
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Pectoralis major |
Origin: clavicle; sternum; cartilage of ribs 1-6; aponeurosis of external oblique musce Insertion: greater tubercle of humerus Action: arm flexion, adduction, & medial rotation |
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Subscapularis |
Action: medially rotates arm |
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Supraspinatus |
Action: arm abduction |
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Infraspinatus |
Action: laterally rotates & adducts arm |
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Teres minor |
Action: laterally rotates, extends, & adducts arm |
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Which muscles abduct the arm? |
Deltoid Supraspinatus |
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Which muscles adduct the arm? |
Latissimus dorsi Pectoralis major Supraspinatus Infraspinatus Teres minor |
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Which muscles medially rotate the arm? |
Latissimus dorsi Pectoralis major Subscapularis |
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Which muscles laterally rotate the arm? |
Infraspinatus Teres minor |
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Gluteus maximus |
Origin: dorsal ilium; sacrum; coccyx Insertion: gluteal tuberosity & iliotibial band Action: extends & laterally rotates thigh |
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Gluteus medius |
Origin: lateral surface of ilium Insertion: greater trochanter of femur Action: abducts & medially rotates thigh |
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Biceps femoris |
Origin: (long head) ischial tuberosity; (short head) linea aspera Insertion: head of fibula; lateral condyle of tibia Action: extends & laterally rotates thigh; flexes knee |
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Semimembranosus (hamstrings) |
Origin: ischial tuberosity Insertion: medial condyle of tibia Action: extends & medially rotates thigh; flexes knee |
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Semitendinosus (hamstrings) |
Origin: ischial tuberosity Insertion: proximal medial surface of tibia Action: extends & medially rotates thigh; flexes knee |
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Which muscles laterally rotate thigh? |
Gluteus maximus Biceps femorus Sartorius Adductor mangus Piriformis |
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Which muscles medially rotate thigh? |
Gluteus medius Semimembranosus Semitendinosus Gracilis |
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Which muscles flex the knee? |
Hamstrings: Biceps femorus Semimembranosus Semitendinosus |
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Rectus femoris (Quadriceps femoris) |
Origin: anterior inferior iliac spine Insertion: patella & tibial tuberosity via patellar ligament Action: extends leg, flexes thigh |
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Vastus intermedius (Quadriceps femoris) |
Origin: anterior lateral surface of femur Insertion: patella & tibial tuberosity via patellar ligament Action: extends leg/knee |
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Vastus lateralis (Quadriceps femoris) |
Origin: greater trochanter; interochanteric line; linea aspera Insertion: patella & tibial tuberosity via patellar ligament Action: extends leg/knee |
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Vastus medius (Quadriceps femoris) |
Origin: interochanteric line; linea aspera Insertion: patella & tibial tuberosity via patellar ligament Action: extends leg/knee |
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Gracilis |
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: anterior superior iliac spine Insertion: medial condyle of tibia Action: flexes leg; flexes, abducts, & laterally rotates thigh |
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Adductor magnus |
Action: adducts & laterally rotates thigh |
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Tensor fascia lata |
Action: flexes & abducts thigh |
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Piriformus
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Action: laterally rotates & abducts thigh |
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Which muscles are responsible for thigh abduction? |
Sartorius Tensor fascia lata |
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Which muscles are responsible for thigh adduction? |
Gracilis
Adductor magnus |
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Which muscles are responsible for flexing the thigh? |
Rectus femoris Gracilis Sartorius Tensor fascia lata |
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Which muscles are responsible for extending the leg? |
Quadriceps femoris: Rectus femors Vastus intermedius Vastus lateralis Vastus medialis |
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Which muscles are responsible for extending the knee? |
Vastus intermedius Vastus lateralis Vastis medialis |
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Gastrocnemius |
Origin: medial condyle of femur; lateral condyle of femur Insertion: calcaneus via calcaneal tendon Action: plantar flexes foot; flexes leg/knee |
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Soleus |
Origin: head & proximal shaft of fibula; superior tibia Insertion: calcaneus via calcaneal tendon Action: plantar flexes foot |
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Tibialis anterior |
Origin: lateral condyle & proximal shaft of tibia Insertion: medial cuneiform & 1st metatarsal bone Action: dorsiflexion & eversion of foot |
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Peroneus (Fibularis) longus |
Action: plantar flexion of foot; eversion of foot |
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Extensor digitorum longus |
Action: dorsiflexion of foot; extension of phalanges |
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What muscles are responsible for flexing the leg? |
Sartorius
Gastrocnemius |
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What muscles are responsible for plantar flexion of the foot? |
Gastrocnemius Soleus Peroneus (Fibularis) longus |
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What muscles are responsible for dorsiflexion of the foot? |
Tibialis anterior Extensor digitorum longus |
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What is the anatomically correct name for the Achilles Tendon? |
Calcaneal tendon |
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What muscles attach to the Achilles tendon? |
Gastrocnemius Soleus |
