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
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
JointMotionFunc. GroupAgonistContraction Type Plane/AxisGravity Trunk Pelvis Hip Knee Ankle Down Phase
JointMotionFunc. GroupAgonistContraction Type Plane/AxisGravity Trunk Pelvis 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 , 344 For Next Week