Muscle Length Normative Values
Original Editor - Naomi O'Reilly
Top Contributors - Naomi O'Reilly and Kim Jackson
Muscle Normal Values
Each muscle has a normal range of values, while each person has a different amount of ability to achieve it. Below are generally accepted values for muscle length for some muscles as measured in degrees:[1]
| Muscle | Range ° | Length (cm) |
|---|---|---|
| Pectoralis Major - Sternal Portion Lower Fibres
Shoulder Abducted to 150 |
Arm horizontal to table
15°-20° with overpressure |
|
| Pectoralis Major - Sternal Portion Mid Fibres
Shoulder Abducted to 90 |
Arm horizontal to table
30° with overpressure |
|
| Paraspinals - Schober's Test | Excursion >6 cm | |
| Hamstring | 80° hip flexion with contralateral leg extended | |
| 90° hip flexion with contralateral leg flexed | ||
| Adductors | 0° hip abduction (neutral)
20°-25° with overpressure in Modified Thomas Test position |
|
| 45° hip abduction in supine position | ||
| TFL - IT Band | 0° Hip Abduction
20°-25° with overpressure in Modified Thomas Test position |
|
| 0° hip abduction (neutral)
15°-20° with overpressure |
||
| Rectus Femoris | 90° knee extension,
125° with overpressure |
|
| Iliopsoas | 0° hip extension,
10° with overpressure |