Kinesiology Laboratory 7:

Activity Analysis of the Lower Extremity and Trunk

Activity Analysis

Squat

Today’s Activities

Works large muscle groups in the thigh and

trunk Metabolic enhancement Benefits posture Maintain functional flexibility

The importance of squatting

Keep chin up and eyes forward Avoid ‘rounding’ the back Keep shoulders, hips and knees over ankle Engage erector spinae group and abdominals

to support the spine Lower thighs slightly past parallel to engage

gluteal muscles Toes should be turned slightly outward

Key components of a proper squat

Proper Squat

Proper Squat

Sumo Squat (Wide stance) Front Squat Hack Squat (Weighted below gluteal muscles) Goblet Squat Split Squat (One-legged squat) Wall/Ball Squat Overhead Squat

Squat Variations

Sumo Squat

Front Squat

Hack Squat

Goblet Squat

Split Squat

Ball/Wall Squat

Overhead Squat

Joint Motio

nFunc. Group Agonis

tContraction Type

Plane/Axis

Gravity

TrunkPelvis

Hip

Knee

Ankle

Down Phase

Joint Motio

nFunc. Group Agonis

tContraction Type

Plane/Axis

Gravity

TrunkPelvis

Hip

Knee

Ankle

Up Phase

Analysis Chart and Diagrams (for each phase) Activity Narration Passive or Active insufficiency, or length

tension curve Identify one lever system Identify one force couple

Include in Lab Report

Lab Report 7 (Hand in ELECTRONICALLY!) Readings: H&K: Ch. 6 cont’d, TG: pp 366-388,

344

For Next Week