Pack Positions

Question 1

Humeroulnar Joint - Open Pack

Answer 1

Humerus (Convex) - Ulna (Concave)

Shoulder Neutral, 70* elbow flexion, 10* of forearm supination

Question 2

Glenohumeral Joint - Open Pack

Answer 2

Humerus (Convex) -Glenoid (Concave)

55* Shoulder Scaption: (55* Abd., 30* Horizontal Add.)

Question 3

Scaption

Answer 3

a shoulder exercise, short for scapular plane elevation, involving raising the arm in a diagonal plane about 30-45 degrees forward from the side, rather than directly out (abduction) or forward (flexion)

Question 4

Humeroradial Joint - Open Pack

Answer 4

Humerus (convex) - Radial (concave)

Full Extension and Supination

Question 5

Proximal Radioulnar Joint (upper forearm) - Open Pack

Answer 5

Rim of the radial Head (Convex) - Radial Notch of the Ulna (Concave)

Elbow Flexion 70, Supination 35

Question 6

Radiocarpal Joint (Wrist) - Open Pack

Answer 6

Carpal bones: Scaphoid, Lunate, Triquetrum (Convex) - Distal end of radius (Concave)

Slight Ulnar deviation, progress to end ROM

Question 7

Coxofemoral Joint (Hip) - Open Pack

Answer 7

head of the femur (Convex) - Acetabulum (Concave)

30* Flexion, 30* Abd., Slight External Rotation

Question 8

Tibiofemoral (Knee) Joint - Open Pack

Answer 8

Tibial plateau (Concave) fixed femoral condyles (Convex)

25* Flexion

Question 9

Talocrural Joint (“true” ankle) - Open Pack

Answer 9

Talus (Convex) - Mortise [formed by the distal tibia and fibula] (Concave)

10* Plantarflexion

Question 10

Subtalar or Talocalcaneal Joint - Open Pack

Answer 10

Calcaneus (Convex) - Talus (Concave)

10* Plantarflexion