Joint Structure In-Class Lab updated(1) PDF

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Name:__________________ In-Class Lab 3 Joint Structure Introduction: Understanding the structure and function of muscle during movement serves as an important role in biomechanics. The structure of the human body and how it moves aids in instruction of performance technique, rehabilitation, and reduction of injury. Knowing average range of motions at each joint and limb lengths. Purpose: The purpose of this laboratory assignment is to understand ranges of motion in different limb movements and limb lengths. Methods: Part 11. Measure your partners Range of Motion (ROM) in each movement possible for each joint that is not blacked out. 2. Specify the range through full flexion and full extension in each movement (i.e. 0-180 degrees). 3. Specify the position of your partner (i.e. prone, supine), position of mobile and immobile arms of goniometer. 4. Record all data on the table provided.

Type of

Joint

Joint

Movements Possible Flexion/Extension

1

Diarthrotic Triaxial

Glenohumeral

2 Acromioclavicular

3

Humeroulnar

4

Proximal radioulnar

5 Distal radioulnar

6

7

8

Radiocarpal

Coxafemoral

Tibiofemoral

9

Talocrual

Plane

Axis

Sagital

Medial/Lateral

Axis of Rotation Greater Trochanter of Humerus Posterior Surface of AC Joint

Abbduction/Adduction Frontal

Anterior/Posterior

Internal/External rotation

Transverse

Vertical

N/A

N/A

Flexion/Extension

Sagital

Medial/Lateral

Pronation/Supination

Transverse

Vertical

Pronation/Supination

Transverse

Vertical

1st metacarpal joint

Sagital Diathrotic Flexion/Extension Biaxial (condyloid) Radial/Ulnar Deviation Frontal

Medial/Lateral

Ulnar styloid

Anterior/Posterior

Dorsal surface of radiocarpal joint

Flexion/Extension

Medial/Lateral

Greater Trochanter of Femur

Abbduction/Adduction Frontal

Anterior/Posterior

Anterior to ASIS

Medial/Lateral Rotation

Transverse

Vertical

Patella

Diathrotic Biaxial (modified hinge)

Flexion/Extension

Sagital

Medial/Lateral

Patella

Medial/Lateral Rotation when flexed

Transverse

Vertical

Diathrotic Biaxial

Plantar/Dorsi Flexion

Sagital

Medial/Lateral

Lateral to tibial condyle

Inversion/Eversion

Frontal

Anterior/Posterior

Heel

Diarthrotic Slight gliding Nonaxial Diathrotic Uniaxial (hinge) Diathrotic Uniaxial (pivot) Diathrotic Uniaxial (pivot)

Diathrotic Triaxial

Sagital

Position of the subject

Poistion Immobile arm

Position of ROM

mobile arm

Olecranon Process

Epicondyle lateral to Humeroulnar joint

Part 2 – 1. Measure your patners limb length segments. 2. Calculate what each limb length segment would be with Dempster’s data based on their height. Multiply height, in meters, by co-efficient for each limb segment. 3. Record you and your partners data in Table 2

Lenghts (m) Ht (m)

Lower Leg Rt

Lower Leg (Dempster)

Upper Leg Rt

Upper Leg (Dempster)

Total Leg Rt

Total Leg (Dempster)

Wing Span

Wing Span (Dempster)

Forearm Rt

Forearm (Dempster)

Upper Arm Rt

Upper Arm (Dempster)

Total Arm Rt

1 2

1.

What is the importance of knowing the range of motion of movements in specific joints, in regards to improving performance and reducing injury?

2.

How close were your actual limb lengths compared to the estimated ones with Dempster’s data? Why were your results similar or different?

Total Arm (Dempster)...