In-Line Lunge

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Pre-measurement

Before assessment, test administrator measures length of foot and lower leg (perpendicular distance from bent knee to floor). Place two marks on a board (approximately 2 x 6 inch or 5 x 15 cm). First mark is foot's lengths plus small distance (1 inch or 2 cm) from end of board. Second mark is lower leg's length from first mark.

Instructions

Preparation

Place tip of toe on first mark. Hold light bar behind back with both hands, one arm up and opposite arm down. Bar should make contact with head and upper back. Lower hand should make contact with small of back or centered just above rear end.

Execution

Take step onto board with opposite foot, placing tip of heel on second mark. Lower trailing knee to make contact with board behind front foot. Raise body by straightening both knees, placing trailing heel back on board so both feet are in-line, flat on board. Repeat with legs in opposite positions.

Measurement

In addition to above instructions, test administrator assesses subject's completion of movement using following criteria:
  • Lumbar spine movement is minimal
  • Hip of trailing leg completely extends at lowest position
  • Both feet in-line
  • Knee touches board
  • Knees are aligned with feet
  • Balance is maintained throughout movement

Comments

Test subject may need to wear shorts or pull up sweat pants from around knees and remove shirt or roll up shirt from around hips so test administrator can observe these body segments during this test. Also see Question/Answer.

In-Line Lunge Test

Assesses

Functional Mobility (step leg)

Functional Mobility (trailing leg)

Dynamic Stability

Balance

  • Overcome lateral stress

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