Lab Final

Question 0

Vastus lateralis OIA

Answer 0

ORIGIN: femur (greater trochantor, linea aspera);
INSERTION: patella, tibia (tuberosity, condyles);
ACTION: extend knee, anchor patella

Question 1

Rectus Femoris OIA

Answer 1

ORIGIN: ilium (anterior inferior spine), acetabulum (superior margin), hip joint capsule;
INSERTION: patella, tibia (tuberosity, condyles);
ACTION: extend knee, flex thigh at hip, flex trunk on hip

Question 2

Vastus intermedius OIA

Answer 2

Origin: femur
Insertion: patella, tibia(tuberosity, condyles)
Action: extend knee, anchor patella

Question 3

Semitendinosis OIA

Answer 3

ORIGIN: ischium (tuberosity);
INSERTION: tibia (medial proximal);
ACTION: flex knee, medially rotate tibia on femur, medially rotate femur on hip, counteract forward bend at hip

Question 4

Semimembranous OIA

Answer 4

ORIGIN: ischium (tuberosity);
INSERTION: tibia (medial condyle and margin), femur (lateral condyle and popliteal region ligament);
ACTION: flex knee, medially rotate tibia on femur, medially rotate femur on hip, counteract forward bend at hip

Question 5

Biceps femoris OIA

Answer 5

ORIGIN: long head- ischium (tuberosity) short head- femur (linea aspera);
INSERTION: fibula (head);
ACTION: flex knee, extend hip, laterally rotate tibia on femur, laterally rotate femur on hip, elevates trunk from forward bend at hip

Question 6

Biceps brachii OIA

Answer 6

ORIGIN: long head- glenoid cavity (superior margin), short head- scapula (coracoid process);
INSERTION: radius (tuberosity), forearm fascia;
ACTION: flex elbow

Question 7

Triceps brachii OIA

Answer 7

ORIGIN: long head- glenoid cavity (inferior margin), lateral head- humerus (posterior proximal), short head- humerus (posterior proximal shaft);
INSERTION: ulna (olecranon process), forearm fascia;
ACTION: extend elbow

Question 8

Rectus abdominus

Answer 8

ORIGIN: pubic symphysis, pubis (superior margin);
INSERTION: xyphoid process, costal cartilage;
ACTION: flex lumbar vertebrae, forward bend

Question 9

External oblique

Answer 9

ORIGIN: ribs 5-12;
INSERTION: pubic symphysis, pubis (superior margin), iliac crest (anterior 1/2);
ACTION: stabilize organs, posture, exhale, urination

Question 10

Internal oblique

Answer 10

ORIGIN: iliac crest, thoracolumbar fascia;
INSERTION: pubis, ribs 10-12, costal cartilage 7-10;
ACTION: stabilize organs, posture, exhale, urination

Question 11

Transverse abdominus

Answer 11

ORIGIN: iliac crest, thoracolumbar fascia, costal cartilage;
INSERTION: pubis, internal oblique;
ACTION: compress abs w/o vertebral movement

Question 12

Popliteal fossa

Answer 12

(sometimes referred to colloquially as the knee pit, or poplit) is a shallow depression located at the back of the knee joint. The bones of the popliteal fossa are the femur and the tibia.