APK2001C UF OIA Flashcards

Rectus abdominus - Origin

Pubic crest/symphysis

Rectus abdominus - Insertion

Xiphoid process/costal cartilages

Rectus abdominus - Action

Flexes the trunk

Gluteus maximus - Origin

Ilium/sacrum/coccyx

Gluteus maximus - Insertion

Gluteal tuberosity of femur

Gluteus maximus - Action

Extends the hip

Biceps femoris - Origin

Long head: ischial tuberosity

Short head: linea aspera

Biceps femoris - Insertion

Head of fibula and lateral condyle of tibia

Biceps femoris - Action

Extends the hip/flexes the knee

Semitendinosus - Origin

Ischial tuberosity

Semitendinosus - Insertion

Medial, upper shaft of tibia

Semitendinosus - Action

Extends the hip/flexes the knee

Semimembranosus - Origin

ischial tuberosity

Semimembranosus - insertion

Medial condyle of tibia

Semimembranosus - Action

Extends the hip/flexes the knee

Psoas major - Origin

Lumbar vertebrae

Psoas major - Insertion

Lesser trochanter of femur

Psoas major - Action

Flexes hip and trunk

iliacus - Origin

iliac fossa/ala of the sacrum

iliacus - insertion

Lesser trochanter of femur

iliacus - Action

Flexes hip and trunk

Rectus femoris - Origin

Anterior inferior iliac spine/acetabular labrum

Rectus femoris - Insertion

Patella and tibial tuberosity

Rectus femoris - Action

Extends the knee/ flexes the hip

Vastus medialis - Origin

Linea aspera, medial supracondylar line, Intertrochanteric line

Vastus medialis - Insertion

Patella and tibial tuberosity

Vastus medialis - Action

Extends knee

Vastus lateralis - Origin

Linea aspera/greater trochanter/Intertrochanteric line

Vastus intermedius - Origin

Anterior shaft of femur

Vastus intermedius - Insertion

Patella and tibial tuberosity

Vastus intermedius - Action

Extends knee

Adductor magnus - Origin

Ischial and pubic rami/ischial tuberosity

Adductor magnus - Insertion

Linea aspera/adductor tubercle of femur

Adductor magnus - Action

Adducts hip

Gracilis - Origin

Inferior ramus and body of pubis/ischial ramus

Gracilis - Insertion

Medial condyle of tibia

Gracilis - Action

Adducts hip

Gastrocnemius - Origin

Medial and lateral condyles of femur

Gastrocnemius - Insertion

Posterior calcaneus (calcaneal tendon)

Gastrocnemius - Action

Plantarflexion and knee flexion

Soleus - Origin

Superior tibia, fibula, and interosseous membrane

Soleus - Insertion

Posterior calcaneus (calcaneal tendon)

Soleus - Action

Plantarflexion

Tibialis anterior - Origin

Lateral condyle/proximal shaft of tibia

Tibialis anterior - Insertion

Medial cuneiform and 1st metatarsal

Tibialis anterior - Action

Dorsiflexion

Sternocleidomastoid - Origin

Manubrium and clavicle

Sternocleidomastoid - Insertion

Mastoid process

Sternocleidomastoid - Action

Flexes neck/laterally rotates cervical spine

Deltoid - Origin

Clavicle, acromion, spine of scapula

Deltoid - Insertion

Deltoid tuberosity of humerus

Deltoid - Action

Abducts the shoulder

Pectoralis major - Origin

Clavicle, sternum, costal cartilage

Pectoralis major - Insertion

Greater tubercle of humerus

Pectoralis major - Action

Flexion, adduction, and medial rotation at shoulder

Biceps brachii - Origin

Short head: coracoid process of scapula, long head: supraglenoid tubercle of scapula

Biceps brachii - Insertion

Radial tuberosity

Biceps brachii - Action

Flexes elbow/supinates proximal radioulnar joint

Triceps brachii - Origin

Long head: infraglenoid tubercle of scapula

Lateral head: posterior shaft of humerus

Medial head: posterior shaft of humerus

Triceps brachii - Insertion

Olecranon process

Triceps brachii - Action

Extends elbow